Linux kernel mirror (for testing)
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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/errno.h>
12#include <linux/ioport.h> /* for struct resource */
13#include <linux/resource_ext.h>
14#include <linux/device.h>
15#include <linux/mod_devicetable.h>
16#include <linux/property.h>
17#include <linux/uuid.h>
18#include <linux/node.h>
19
20struct irq_domain;
21struct irq_domain_ops;
22
23#ifndef _LINUX
24#define _LINUX
25#endif
26#include <acpi/acpi.h>
27#include <acpi/acpi_numa.h>
28
29#ifdef CONFIG_ACPI
30
31#include <linux/list.h>
32#include <linux/dynamic_debug.h>
33#include <linux/module.h>
34#include <linux/mutex.h>
35#include <linux/fw_table.h>
36
37#include <acpi/acpi_bus.h>
38#include <acpi/acpi_drivers.h>
39#include <acpi/acpi_io.h>
40#include <asm/acpi.h>
41
42#ifdef CONFIG_ACPI_TABLE_LIB
43#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
44#define __init_or_acpilib
45#define __initdata_or_acpilib
46#else
47#define EXPORT_SYMBOL_ACPI_LIB(x)
48#define __init_or_acpilib __init
49#define __initdata_or_acpilib __initdata
50#endif
51
52static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53{
54 return adev ? adev->handle : NULL;
55}
56
57#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61#define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
63
64static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65{
66 struct fwnode_handle *fwnode;
67
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
69 if (!fwnode)
70 return NULL;
71
72 fwnode_init(fwnode, &acpi_static_fwnode_ops);
73
74 return fwnode;
75}
76
77static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78{
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
80 return;
81
82 kfree(fwnode);
83}
84
85static inline bool has_acpi_companion(struct device *dev)
86{
87 return is_acpi_device_node(dev->fwnode);
88}
89
90static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
92{
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
94}
95
96static inline const char *acpi_dev_name(struct acpi_device *adev)
97{
98 return dev_name(&adev->dev);
99}
100
101struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102
103enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
108 ACPI_IRQ_MODEL_GIC,
109 ACPI_IRQ_MODEL_LPIC,
110 ACPI_IRQ_MODEL_RINTC,
111 ACPI_IRQ_MODEL_COUNT
112};
113
114extern enum acpi_irq_model_id acpi_irq_model;
115
116enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
118 ACPI_INTERRUPT_INIT,
119 ACPI_INTERRUPT_CPEI,
120 ACPI_INTERRUPT_COUNT
121};
122
123#define ACPI_SPACE_MEM 0
124
125enum acpi_address_range_id {
126 ACPI_ADDRESS_RANGE_MEMORY = 1,
127 ACPI_ADDRESS_RANGE_RESERVED = 2,
128 ACPI_ADDRESS_RANGE_ACPI = 3,
129 ACPI_ADDRESS_RANGE_NVS = 4,
130 ACPI_ADDRESS_RANGE_COUNT
131};
132
133
134/* Table Handlers */
135typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
136
137/* Debugger support */
138
139struct acpi_debugger_ops {
140 int (*create_thread)(acpi_osd_exec_callback function, void *context);
141 ssize_t (*write_log)(const char *msg);
142 ssize_t (*read_cmd)(char *buffer, size_t length);
143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
144 int (*notify_command_complete)(void);
145};
146
147struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
150 struct mutex lock;
151};
152
153#ifdef CONFIG_ACPI_DEBUGGER
154int __init acpi_debugger_init(void);
155int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159ssize_t acpi_debugger_write_log(const char *msg);
160ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161int acpi_debugger_wait_command_ready(void);
162int acpi_debugger_notify_command_complete(void);
163#else
164static inline int acpi_debugger_init(void)
165{
166 return -ENODEV;
167}
168
169static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
171{
172 return -ENODEV;
173}
174
175static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
176{
177}
178
179static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
180 void *context)
181{
182 return -ENODEV;
183}
184
185static inline int acpi_debugger_write_log(const char *msg)
186{
187 return -ENODEV;
188}
189
190static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
191{
192 return -ENODEV;
193}
194
195static inline int acpi_debugger_wait_command_ready(void)
196{
197 return -ENODEV;
198}
199
200static inline int acpi_debugger_notify_command_complete(void)
201{
202 return -ENODEV;
203}
204#endif
205
206#define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209
210void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
211void __acpi_unmap_table(void __iomem *map, unsigned long size);
212int early_acpi_boot_init(void);
213int acpi_boot_init (void);
214void acpi_boot_table_prepare (void);
215void acpi_boot_table_init (void);
216int acpi_mps_check (void);
217int acpi_numa_init (void);
218
219int acpi_locate_initial_tables (void);
220void acpi_reserve_initial_tables (void);
221void acpi_table_init_complete (void);
222int acpi_table_init (void);
223
224int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
225int __init_or_acpilib acpi_table_parse_entries(char *id,
226 unsigned long table_size, int entry_id,
227 acpi_tbl_entry_handler handler, unsigned int max_entries);
228int __init_or_acpilib acpi_table_parse_entries_array(char *id,
229 unsigned long table_size, struct acpi_subtable_proc *proc,
230 int proc_num, unsigned int max_entries);
231int acpi_table_parse_madt(enum acpi_madt_type id,
232 acpi_tbl_entry_handler handler,
233 unsigned int max_entries);
234int __init_or_acpilib
235acpi_table_parse_cedt(enum acpi_cedt_type id,
236 acpi_tbl_entry_handler_arg handler_arg, void *arg);
237
238int acpi_parse_mcfg (struct acpi_table_header *header);
239void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
240
241#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
242void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
243#else
244static inline void
245acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
246#endif
247
248void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
249
250#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
251void acpi_arch_dma_setup(struct device *dev);
252#else
253static inline void acpi_arch_dma_setup(struct device *dev) { }
254#endif
255
256#ifdef CONFIG_ARM64
257void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
258#else
259static inline void
260acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
261#endif
262
263#ifdef CONFIG_RISCV
264void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
265#else
266static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
267#endif
268
269#ifndef PHYS_CPUID_INVALID
270typedef u32 phys_cpuid_t;
271#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272#endif
273
274static inline bool invalid_logical_cpuid(u32 cpuid)
275{
276 return (int)cpuid < 0;
277}
278
279static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
280{
281 return phys_id == PHYS_CPUID_INVALID;
282}
283
284
285int __init acpi_get_madt_revision(void);
286
287/* Validate the processor object's proc_id */
288bool acpi_duplicate_processor_id(int proc_id);
289/* Processor _CTS control */
290struct acpi_processor_power;
291
292#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
293bool acpi_processor_claim_cst_control(void);
294int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
295 struct acpi_processor_power *info);
296#else
297static inline bool acpi_processor_claim_cst_control(void) { return false; }
298static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
299 struct acpi_processor_power *info)
300{
301 return -ENODEV;
302}
303#endif
304
305#ifdef CONFIG_ACPI_HOTPLUG_CPU
306/* Arch dependent functions for cpu hotplug support */
307int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
308 int *pcpu);
309int acpi_unmap_cpu(int cpu);
310#endif /* CONFIG_ACPI_HOTPLUG_CPU */
311
312acpi_handle acpi_get_processor_handle(int cpu);
313
314#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
315int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
316#endif
317
318int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
319int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
320int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
321void acpi_irq_stats_init(void);
322extern u32 acpi_irq_handled;
323extern u32 acpi_irq_not_handled;
324extern unsigned int acpi_sci_irq;
325extern bool acpi_no_s5;
326#define INVALID_ACPI_IRQ ((unsigned)-1)
327static inline bool acpi_sci_irq_valid(void)
328{
329 return acpi_sci_irq != INVALID_ACPI_IRQ;
330}
331
332extern int sbf_port;
333
334int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
335int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
336int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
337
338void acpi_set_irq_model(enum acpi_irq_model_id model,
339 struct fwnode_handle *(*)(u32));
340void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
341
342struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
343 unsigned int size,
344 struct fwnode_handle *fwnode,
345 const struct irq_domain_ops *ops,
346 void *host_data);
347
348#ifdef CONFIG_X86_IO_APIC
349extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
350#else
351static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
352{
353 return -1;
354}
355#endif
356/*
357 * This function undoes the effect of one call to acpi_register_gsi().
358 * If this matches the last registration, any IRQ resources for gsi
359 * are freed.
360 */
361void acpi_unregister_gsi (u32 gsi);
362
363struct pci_dev;
364
365struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
366int acpi_pci_irq_enable (struct pci_dev *dev);
367void acpi_penalize_isa_irq(int irq, int active);
368bool acpi_isa_irq_available(int irq);
369#ifdef CONFIG_PCI
370void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
371#else
372static inline void acpi_penalize_sci_irq(int irq, int trigger,
373 int polarity)
374{
375}
376#endif
377void acpi_pci_irq_disable (struct pci_dev *dev);
378
379extern int ec_read(u8 addr, u8 *val);
380extern int ec_write(u8 addr, u8 val);
381extern int ec_transaction(u8 command,
382 const u8 *wdata, unsigned wdata_len,
383 u8 *rdata, unsigned rdata_len);
384extern acpi_handle ec_get_handle(void);
385
386extern bool acpi_is_pnp_device(struct acpi_device *);
387
388#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
389
390typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
391
392int wmi_instance_count(const char *guid);
393
394extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
395 u32 method_id,
396 const struct acpi_buffer *in,
397 struct acpi_buffer *out);
398extern acpi_status wmi_query_block(const char *guid, u8 instance,
399 struct acpi_buffer *out);
400extern acpi_status wmi_set_block(const char *guid, u8 instance,
401 const struct acpi_buffer *in);
402extern acpi_status wmi_install_notify_handler(const char *guid,
403 wmi_notify_handler handler, void *data);
404extern acpi_status wmi_remove_notify_handler(const char *guid);
405extern bool wmi_has_guid(const char *guid);
406extern char *wmi_get_acpi_device_uid(const char *guid);
407
408#endif /* CONFIG_ACPI_WMI */
409
410#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
411#define ACPI_VIDEO_DEVICE_POSTING 0x0002
412#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
413#define ACPI_VIDEO_BACKLIGHT 0x0008
414#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
415#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
416#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
417#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
418#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
419#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
420#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
421#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
422
423extern char acpi_video_backlight_string[];
424extern long acpi_is_video_device(acpi_handle handle);
425
426extern void acpi_osi_setup(char *str);
427extern bool acpi_osi_is_win8(void);
428
429#ifdef CONFIG_ACPI_THERMAL_LIB
430int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
431int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
432int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
433int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
434#endif
435
436#ifdef CONFIG_ACPI_HMAT
437int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
438#else
439static inline int acpi_get_genport_coordinates(u32 uid,
440 struct access_coordinate *coord)
441{
442 return -EOPNOTSUPP;
443}
444#endif
445
446#ifdef CONFIG_ACPI_NUMA
447int acpi_map_pxm_to_node(int pxm);
448int acpi_get_node(acpi_handle handle);
449
450/**
451 * pxm_to_online_node - Map proximity ID to online node
452 * @pxm: ACPI proximity ID
453 *
454 * This is similar to pxm_to_node(), but always returns an online
455 * node. When the mapped node from a given proximity ID is offline, it
456 * looks up the node distance table and returns the nearest online node.
457 *
458 * ACPI device drivers, which are called after the NUMA initialization has
459 * completed in the kernel, can call this interface to obtain their device
460 * NUMA topology from ACPI tables. Such drivers do not have to deal with
461 * offline nodes. A node may be offline when SRAT memory entry does not exist,
462 * or NUMA is disabled, ex. "numa=off" on x86.
463 */
464static inline int pxm_to_online_node(int pxm)
465{
466 int node = pxm_to_node(pxm);
467
468 return numa_map_to_online_node(node);
469}
470#else
471static inline int pxm_to_online_node(int pxm)
472{
473 return 0;
474}
475static inline int acpi_map_pxm_to_node(int pxm)
476{
477 return 0;
478}
479static inline int acpi_get_node(acpi_handle handle)
480{
481 return 0;
482}
483#endif
484extern int pnpacpi_disabled;
485
486#define PXM_INVAL (-1)
487
488bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
489bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
490bool acpi_dev_resource_address_space(struct acpi_resource *ares,
491 struct resource_win *win);
492bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
493 struct resource_win *win);
494unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
495unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
496bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
497 struct resource *res);
498
499void acpi_dev_free_resource_list(struct list_head *list);
500int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
501 int (*preproc)(struct acpi_resource *, void *),
502 void *preproc_data);
503int acpi_dev_get_dma_resources(struct acpi_device *adev,
504 struct list_head *list);
505int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
506int acpi_dev_filter_resource_type(struct acpi_resource *ares,
507 unsigned long types);
508
509static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
510 void *arg)
511{
512 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
513}
514
515struct acpi_device *acpi_resource_consumer(struct resource *res);
516
517int acpi_check_resource_conflict(const struct resource *res);
518
519int acpi_check_region(resource_size_t start, resource_size_t n,
520 const char *name);
521
522int acpi_resources_are_enforced(void);
523
524#ifdef CONFIG_HIBERNATION
525extern int acpi_check_s4_hw_signature;
526#endif
527
528#ifdef CONFIG_PM_SLEEP
529void __init acpi_old_suspend_ordering(void);
530void __init acpi_nvs_nosave(void);
531void __init acpi_nvs_nosave_s3(void);
532void __init acpi_sleep_no_blacklist(void);
533#endif /* CONFIG_PM_SLEEP */
534
535int acpi_register_wakeup_handler(
536 int wake_irq, bool (*wakeup)(void *context), void *context);
537void acpi_unregister_wakeup_handler(
538 bool (*wakeup)(void *context), void *context);
539
540struct acpi_osc_context {
541 char *uuid_str; /* UUID string */
542 int rev;
543 struct acpi_buffer cap; /* list of DWORD capabilities */
544 struct acpi_buffer ret; /* free by caller if success */
545};
546
547acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
548
549/* Number of _OSC capability DWORDS depends on bridge type */
550#define OSC_PCI_CAPABILITY_DWORDS 3
551#define OSC_CXL_CAPABILITY_DWORDS 5
552
553/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
554#define OSC_QUERY_DWORD 0 /* DWORD 1 */
555#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
556#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
557#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
558#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
559
560/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
561#define OSC_QUERY_ENABLE 0x00000001 /* input */
562#define OSC_REQUEST_ERROR 0x00000002 /* return */
563#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
564#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
565#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
566
567/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
568#define OSC_SB_PAD_SUPPORT 0x00000001
569#define OSC_SB_PPC_OST_SUPPORT 0x00000002
570#define OSC_SB_PR3_SUPPORT 0x00000004
571#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
572#define OSC_SB_APEI_SUPPORT 0x00000010
573#define OSC_SB_CPC_SUPPORT 0x00000020
574#define OSC_SB_CPCV2_SUPPORT 0x00000040
575#define OSC_SB_PCLPI_SUPPORT 0x00000080
576#define OSC_SB_OSLPI_SUPPORT 0x00000100
577#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
578#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
579#define OSC_SB_GED_SUPPORT 0x00000800
580#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
581#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
582#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
583#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
584#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
585#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
586#define OSC_SB_PRM_SUPPORT 0x00200000
587#define OSC_SB_FFH_OPR_SUPPORT 0x00400000
588
589extern bool osc_sb_apei_support_acked;
590extern bool osc_pc_lpi_support_confirmed;
591extern bool osc_sb_native_usb4_support_confirmed;
592extern bool osc_sb_cppc2_support_acked;
593extern bool osc_cpc_flexible_adr_space_confirmed;
594
595/* USB4 Capabilities */
596#define OSC_USB_USB3_TUNNELING 0x00000001
597#define OSC_USB_DP_TUNNELING 0x00000002
598#define OSC_USB_PCIE_TUNNELING 0x00000004
599#define OSC_USB_XDOMAIN 0x00000008
600
601extern u32 osc_sb_native_usb4_control;
602
603/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
604#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
605#define OSC_PCI_ASPM_SUPPORT 0x00000002
606#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
607#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
608#define OSC_PCI_MSI_SUPPORT 0x00000010
609#define OSC_PCI_EDR_SUPPORT 0x00000080
610#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
611
612/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
613#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
614#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
615#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
616#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
617#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
618#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
619#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
620
621/* CXL _OSC: Capabilities DWORD 4: Support Field */
622#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
623#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
624#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
625#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
626
627/* CXL _OSC: Capabilities DWORD 5: Control Field */
628#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
629
630static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
631{
632 u32 *ret = context->ret.pointer;
633
634 return ret[OSC_CONTROL_DWORD];
635}
636
637static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
638{
639 u32 *ret = context->ret.pointer;
640
641 return ret[OSC_EXT_CONTROL_DWORD];
642}
643
644#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
645#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
646#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
647#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
648#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
649#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
650#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
651#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
652#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
653#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
654
655/* Enable _OST when all relevant hotplug operations are enabled */
656#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
657 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
658 defined(CONFIG_ACPI_CONTAINER)
659#define ACPI_HOTPLUG_OST
660#endif
661
662/* _OST Source Event Code (OSPM Action) */
663#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
664#define ACPI_OST_EC_OSPM_EJECT 0x103
665#define ACPI_OST_EC_OSPM_INSERTION 0x200
666
667/* _OST General Processing Status Code */
668#define ACPI_OST_SC_SUCCESS 0x0
669#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
670#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
671
672/* _OST OS Shutdown Processing (0x100) Status Code */
673#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
674#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
675#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
676#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
677
678/* _OST Ejection Request (0x3, 0x103) Status Code */
679#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
680#define ACPI_OST_SC_DEVICE_IN_USE 0x81
681#define ACPI_OST_SC_DEVICE_BUSY 0x82
682#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
683#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
684
685/* _OST Insertion Request (0x200) Status Code */
686#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
687#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
688#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
689
690enum acpi_predicate {
691 all_versions,
692 less_than_or_equal,
693 equal,
694 greater_than_or_equal,
695};
696
697/* Table must be terminted by a NULL entry */
698struct acpi_platform_list {
699 char oem_id[ACPI_OEM_ID_SIZE+1];
700 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
701 u32 oem_revision;
702 char *table;
703 enum acpi_predicate pred;
704 char *reason;
705 u32 data;
706};
707int acpi_match_platform_list(const struct acpi_platform_list *plat);
708
709extern void acpi_early_init(void);
710extern void acpi_subsystem_init(void);
711
712extern int acpi_nvs_register(__u64 start, __u64 size);
713
714extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
715 void *data);
716
717const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
718 const struct acpi_device *adev);
719
720const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
721 const struct device *dev);
722
723const void *acpi_device_get_match_data(const struct device *dev);
724extern bool acpi_driver_match_device(struct device *dev,
725 const struct device_driver *drv);
726int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
727int acpi_device_modalias(struct device *, char *, int);
728
729struct platform_device *acpi_create_platform_device(struct acpi_device *,
730 const struct property_entry *);
731#define ACPI_PTR(_ptr) (_ptr)
732
733static inline void acpi_device_set_enumerated(struct acpi_device *adev)
734{
735 adev->flags.visited = true;
736}
737
738static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
739{
740 adev->flags.visited = false;
741}
742
743enum acpi_reconfig_event {
744 ACPI_RECONFIG_DEVICE_ADD = 0,
745 ACPI_RECONFIG_DEVICE_REMOVE,
746};
747
748int acpi_reconfig_notifier_register(struct notifier_block *nb);
749int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
750
751#ifdef CONFIG_ACPI_GTDT
752int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
753int acpi_gtdt_map_ppi(int type);
754bool acpi_gtdt_c3stop(int type);
755int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
756#endif
757
758#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
759static inline void acpi_arch_set_root_pointer(u64 addr)
760{
761}
762#endif
763
764#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
765static inline u64 acpi_arch_get_root_pointer(void)
766{
767 return 0;
768}
769#endif
770
771int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
772int acpi_get_local_address(acpi_handle handle, u32 *addr);
773const char *acpi_get_subsystem_id(acpi_handle handle);
774
775#else /* !CONFIG_ACPI */
776
777#define acpi_disabled 1
778
779#define ACPI_COMPANION(dev) (NULL)
780#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
781#define ACPI_HANDLE(dev) (NULL)
782#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
783
784/* Get rid of the -Wunused-variable for adev */
785#define acpi_dev_uid_match(adev, uid2) (adev && false)
786#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
787
788struct fwnode_handle;
789
790static inline bool acpi_dev_found(const char *hid)
791{
792 return false;
793}
794
795static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
796{
797 return false;
798}
799
800struct acpi_device;
801
802static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
803{
804 return -ENODEV;
805}
806
807static inline struct acpi_device *
808acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
809{
810 return NULL;
811}
812
813static inline bool acpi_reduced_hardware(void)
814{
815 return false;
816}
817
818static inline void acpi_dev_put(struct acpi_device *adev) {}
819
820static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
821{
822 return false;
823}
824
825static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
826{
827 return false;
828}
829
830static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
831{
832 return NULL;
833}
834
835static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
836{
837 return false;
838}
839
840static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
841{
842 return NULL;
843}
844
845static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
846 const char *name)
847{
848 return false;
849}
850
851static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
852{
853 return NULL;
854}
855
856static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
857{
858 return NULL;
859}
860
861static inline bool has_acpi_companion(struct device *dev)
862{
863 return false;
864}
865
866static inline void acpi_preset_companion(struct device *dev,
867 struct acpi_device *parent, u64 addr)
868{
869}
870
871static inline const char *acpi_dev_name(struct acpi_device *adev)
872{
873 return NULL;
874}
875
876static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
877{
878 return NULL;
879}
880
881static inline void acpi_early_init(void) { }
882static inline void acpi_subsystem_init(void) { }
883
884static inline int early_acpi_boot_init(void)
885{
886 return 0;
887}
888static inline int acpi_boot_init(void)
889{
890 return 0;
891}
892
893static inline void acpi_boot_table_prepare(void)
894{
895}
896
897static inline void acpi_boot_table_init(void)
898{
899}
900
901static inline int acpi_mps_check(void)
902{
903 return 0;
904}
905
906static inline int acpi_check_resource_conflict(struct resource *res)
907{
908 return 0;
909}
910
911static inline int acpi_check_region(resource_size_t start, resource_size_t n,
912 const char *name)
913{
914 return 0;
915}
916
917struct acpi_table_header;
918static inline int acpi_table_parse(char *id,
919 int (*handler)(struct acpi_table_header *))
920{
921 return -ENODEV;
922}
923
924static inline int acpi_nvs_register(__u64 start, __u64 size)
925{
926 return 0;
927}
928
929static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
930 void *data)
931{
932 return 0;
933}
934
935struct acpi_device_id;
936
937static inline const struct acpi_device_id *acpi_match_acpi_device(
938 const struct acpi_device_id *ids, const struct acpi_device *adev)
939{
940 return NULL;
941}
942
943static inline const struct acpi_device_id *acpi_match_device(
944 const struct acpi_device_id *ids, const struct device *dev)
945{
946 return NULL;
947}
948
949static inline const void *acpi_device_get_match_data(const struct device *dev)
950{
951 return NULL;
952}
953
954static inline bool acpi_driver_match_device(struct device *dev,
955 const struct device_driver *drv)
956{
957 return false;
958}
959
960static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
961 u64 rev, u64 funcs)
962{
963 return false;
964}
965
966static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
967 const guid_t *guid,
968 u64 rev, u64 func,
969 union acpi_object *argv4)
970{
971 return NULL;
972}
973
974static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
975 const guid_t *guid,
976 u64 rev, u64 func,
977 union acpi_object *argv4,
978 acpi_object_type type)
979{
980 return NULL;
981}
982
983static inline int acpi_device_uevent_modalias(const struct device *dev,
984 struct kobj_uevent_env *env)
985{
986 return -ENODEV;
987}
988
989static inline int acpi_device_modalias(struct device *dev,
990 char *buf, int size)
991{
992 return -ENODEV;
993}
994
995static inline struct platform_device *
996acpi_create_platform_device(struct acpi_device *adev,
997 const struct property_entry *properties)
998{
999 return NULL;
1000}
1001
1002static inline bool acpi_dma_supported(const struct acpi_device *adev)
1003{
1004 return false;
1005}
1006
1007static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1008{
1009 return DEV_DMA_NOT_SUPPORTED;
1010}
1011
1012static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1013{
1014 return -ENODEV;
1015}
1016
1017static inline int acpi_dma_configure(struct device *dev,
1018 enum dev_dma_attr attr)
1019{
1020 return 0;
1021}
1022
1023static inline int acpi_dma_configure_id(struct device *dev,
1024 enum dev_dma_attr attr,
1025 const u32 *input_id)
1026{
1027 return 0;
1028}
1029
1030#define ACPI_PTR(_ptr) (NULL)
1031
1032static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1033{
1034}
1035
1036static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1037{
1038}
1039
1040static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1041{
1042 return -EINVAL;
1043}
1044
1045static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1046{
1047 return -EINVAL;
1048}
1049
1050static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1051{
1052 return NULL;
1053}
1054
1055static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1056{
1057 return -ENODEV;
1058}
1059
1060static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1061{
1062 return ERR_PTR(-ENODEV);
1063}
1064
1065static inline int acpi_register_wakeup_handler(int wake_irq,
1066 bool (*wakeup)(void *context), void *context)
1067{
1068 return -ENXIO;
1069}
1070
1071static inline void acpi_unregister_wakeup_handler(
1072 bool (*wakeup)(void *context), void *context) { }
1073
1074struct acpi_osc_context;
1075static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1076{
1077 return 0;
1078}
1079
1080static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1081{
1082 return 0;
1083}
1084
1085static inline bool acpi_sleep_state_supported(u8 sleep_state)
1086{
1087 return false;
1088}
1089
1090static inline acpi_handle acpi_get_processor_handle(int cpu)
1091{
1092 return NULL;
1093}
1094
1095#endif /* !CONFIG_ACPI */
1096
1097#ifdef CONFIG_ACPI_HMAT
1098int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
1099 resource_size_t *size);
1100#else
1101static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
1102 int nid, resource_size_t *size)
1103{
1104 return -EOPNOTSUPP;
1105}
1106#endif
1107
1108extern void arch_post_acpi_subsys_init(void);
1109
1110#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1111int acpi_ioapic_add(acpi_handle root);
1112#else
1113static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1114#endif
1115
1116#ifdef CONFIG_ACPI
1117void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1118 u32 pm1a_ctrl, u32 pm1b_ctrl));
1119
1120acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1121 u32 pm1a_control, u32 pm1b_control);
1122
1123void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1124 u32 val_a, u32 val_b));
1125
1126acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1127 u32 val_a, u32 val_b);
1128#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1129struct acpi_s2idle_dev_ops {
1130 struct list_head list_node;
1131 void (*prepare)(void);
1132 void (*check)(void);
1133 void (*restore)(void);
1134};
1135int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1136void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1137int acpi_get_lps0_constraint(struct acpi_device *adev);
1138#else /* CONFIG_SUSPEND && CONFIG_X86 */
1139static inline int acpi_get_lps0_constraint(struct device *dev)
1140{
1141 return ACPI_STATE_UNKNOWN;
1142}
1143#endif /* CONFIG_SUSPEND && CONFIG_X86 */
1144void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1145#else
1146#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1147#endif
1148
1149#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1150int acpi_dev_suspend(struct device *dev, bool wakeup);
1151int acpi_dev_resume(struct device *dev);
1152int acpi_subsys_runtime_suspend(struct device *dev);
1153int acpi_subsys_runtime_resume(struct device *dev);
1154int acpi_dev_pm_attach(struct device *dev, bool power_on);
1155bool acpi_storage_d3(struct device *dev);
1156bool acpi_dev_state_d0(struct device *dev);
1157#else
1158static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1159static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1160static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1161{
1162 return 0;
1163}
1164static inline bool acpi_storage_d3(struct device *dev)
1165{
1166 return false;
1167}
1168static inline bool acpi_dev_state_d0(struct device *dev)
1169{
1170 return true;
1171}
1172#endif
1173
1174#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1175int acpi_subsys_prepare(struct device *dev);
1176void acpi_subsys_complete(struct device *dev);
1177int acpi_subsys_suspend_late(struct device *dev);
1178int acpi_subsys_suspend_noirq(struct device *dev);
1179int acpi_subsys_suspend(struct device *dev);
1180int acpi_subsys_freeze(struct device *dev);
1181int acpi_subsys_poweroff(struct device *dev);
1182int acpi_subsys_restore_early(struct device *dev);
1183#else
1184static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1185static inline void acpi_subsys_complete(struct device *dev) {}
1186static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1187static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1188static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1189static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1190static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1191static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1192#endif
1193
1194#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1195void acpi_ec_mark_gpe_for_wake(void);
1196void acpi_ec_set_gpe_wake_mask(u8 action);
1197#else
1198static inline void acpi_ec_mark_gpe_for_wake(void) {}
1199static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1200#endif
1201
1202#ifdef CONFIG_ACPI
1203char *acpi_handle_path(acpi_handle handle);
1204__printf(3, 4)
1205void acpi_handle_printk(const char *level, acpi_handle handle,
1206 const char *fmt, ...);
1207void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1208 acpi_status status);
1209#else /* !CONFIG_ACPI */
1210static inline __printf(3, 4) void
1211acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1212static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1213 const char *name,
1214 acpi_status status) {}
1215#endif /* !CONFIG_ACPI */
1216
1217#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1218__printf(3, 4)
1219void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1220#endif
1221
1222/*
1223 * acpi_handle_<level>: Print message with ACPI prefix and object path
1224 *
1225 * These interfaces acquire the global namespace mutex to obtain an object
1226 * path. In interrupt context, it shows the object path as <n/a>.
1227 */
1228#define acpi_handle_emerg(handle, fmt, ...) \
1229 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1230#define acpi_handle_alert(handle, fmt, ...) \
1231 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1232#define acpi_handle_crit(handle, fmt, ...) \
1233 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1234#define acpi_handle_err(handle, fmt, ...) \
1235 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1236#define acpi_handle_warn(handle, fmt, ...) \
1237 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1238#define acpi_handle_notice(handle, fmt, ...) \
1239 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1240#define acpi_handle_info(handle, fmt, ...) \
1241 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1242
1243#if defined(DEBUG)
1244#define acpi_handle_debug(handle, fmt, ...) \
1245 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1246#else
1247#if defined(CONFIG_DYNAMIC_DEBUG)
1248#define acpi_handle_debug(handle, fmt, ...) \
1249 _dynamic_func_call(fmt, __acpi_handle_debug, \
1250 handle, pr_fmt(fmt), ##__VA_ARGS__)
1251#else
1252#define acpi_handle_debug(handle, fmt, ...) \
1253({ \
1254 if (0) \
1255 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1256 0; \
1257})
1258#endif
1259#endif
1260
1261#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1262bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1263 struct acpi_resource_gpio **agpio);
1264bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1265 struct acpi_resource_gpio **agpio);
1266int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1267 bool *wake_capable);
1268#else
1269static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1270 struct acpi_resource_gpio **agpio)
1271{
1272 return false;
1273}
1274static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1275 struct acpi_resource_gpio **agpio)
1276{
1277 return false;
1278}
1279static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1280 int index, bool *wake_capable)
1281{
1282 return -ENXIO;
1283}
1284#endif
1285
1286static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1287 bool *wake_capable)
1288{
1289 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1290}
1291
1292static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1293 int index)
1294{
1295 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1296}
1297
1298static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1299{
1300 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1301}
1302
1303/* Device properties */
1304
1305#ifdef CONFIG_ACPI
1306int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1307 acpi_object_type type, const union acpi_object **obj);
1308int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1309 const char *name, size_t index, size_t num_args,
1310 struct fwnode_reference_args *args);
1311
1312static inline int acpi_node_get_property_reference(
1313 const struct fwnode_handle *fwnode,
1314 const char *name, size_t index,
1315 struct fwnode_reference_args *args)
1316{
1317 return __acpi_node_get_property_reference(fwnode, name, index,
1318 NR_FWNODE_REFERENCE_ARGS, args);
1319}
1320
1321static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1322{
1323 return !list_empty(&adev->data.properties);
1324}
1325
1326struct acpi_device_properties *
1327acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1328 union acpi_object *properties);
1329
1330int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1331 void **valptr);
1332
1333struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1334 struct fwnode_handle *child);
1335
1336struct acpi_probe_entry;
1337typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1338 struct acpi_probe_entry *);
1339
1340#define ACPI_TABLE_ID_LEN 5
1341
1342/**
1343 * struct acpi_probe_entry - boot-time probing entry
1344 * @id: ACPI table name
1345 * @type: Optional subtable type to match
1346 * (if @id contains subtables)
1347 * @subtable_valid: Optional callback to check the validity of
1348 * the subtable
1349 * @probe_table: Callback to the driver being probed when table
1350 * match is successful
1351 * @probe_subtbl: Callback to the driver being probed when table and
1352 * subtable match (and optional callback is successful)
1353 * @driver_data: Sideband data provided back to the driver
1354 */
1355struct acpi_probe_entry {
1356 __u8 id[ACPI_TABLE_ID_LEN];
1357 __u8 type;
1358 acpi_probe_entry_validate_subtbl subtable_valid;
1359 union {
1360 acpi_tbl_table_handler probe_table;
1361 acpi_tbl_entry_handler probe_subtbl;
1362 };
1363 kernel_ulong_t driver_data;
1364};
1365
1366void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1367
1368#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1369 valid, data, fn) \
1370 static const struct acpi_probe_entry __acpi_probe_##name \
1371 __used __section("__" #table "_acpi_probe_table") = { \
1372 .id = table_id, \
1373 .type = subtable, \
1374 .subtable_valid = valid, \
1375 .probe_table = fn, \
1376 .driver_data = data, \
1377 }
1378
1379#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1380 subtable, valid, data, fn) \
1381 static const struct acpi_probe_entry __acpi_probe_##name \
1382 __used __section("__" #table "_acpi_probe_table") = { \
1383 .id = table_id, \
1384 .type = subtable, \
1385 .subtable_valid = valid, \
1386 .probe_subtbl = fn, \
1387 .driver_data = data, \
1388 }
1389
1390#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1391#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1392
1393int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1394
1395#define acpi_probe_device_table(t) \
1396 ({ \
1397 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1398 ACPI_PROBE_TABLE_END(t); \
1399 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1400 (&ACPI_PROBE_TABLE_END(t) - \
1401 &ACPI_PROBE_TABLE(t))); \
1402 })
1403#else
1404static inline int acpi_dev_get_property(struct acpi_device *adev,
1405 const char *name, acpi_object_type type,
1406 const union acpi_object **obj)
1407{
1408 return -ENXIO;
1409}
1410
1411static inline int
1412__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1413 const char *name, size_t index, size_t num_args,
1414 struct fwnode_reference_args *args)
1415{
1416 return -ENXIO;
1417}
1418
1419static inline int
1420acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1421 const char *name, size_t index,
1422 struct fwnode_reference_args *args)
1423{
1424 return -ENXIO;
1425}
1426
1427static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1428 const char *propname,
1429 void **valptr)
1430{
1431 return -ENXIO;
1432}
1433
1434static inline struct fwnode_handle *
1435acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1436 struct fwnode_handle *child)
1437{
1438 return NULL;
1439}
1440
1441static inline struct fwnode_handle *
1442acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1443 struct fwnode_handle *prev)
1444{
1445 return ERR_PTR(-ENXIO);
1446}
1447
1448static inline int
1449acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1450 struct fwnode_handle **remote,
1451 struct fwnode_handle **port,
1452 struct fwnode_handle **endpoint)
1453{
1454 return -ENXIO;
1455}
1456
1457#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1458 static const void * __acpi_table_##name[] \
1459 __attribute__((unused)) \
1460 = { (void *) table_id, \
1461 (void *) subtable, \
1462 (void *) valid, \
1463 (void *) fn, \
1464 (void *) data }
1465
1466#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1467#endif
1468
1469#ifdef CONFIG_ACPI_TABLE_UPGRADE
1470void acpi_table_upgrade(void);
1471#else
1472static inline void acpi_table_upgrade(void) { }
1473#endif
1474
1475#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1476extern bool acpi_has_watchdog(void);
1477#else
1478static inline bool acpi_has_watchdog(void) { return false; }
1479#endif
1480
1481#ifdef CONFIG_ACPI_SPCR_TABLE
1482extern bool qdf2400_e44_present;
1483int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1484#else
1485static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1486{
1487 return 0;
1488}
1489#endif
1490
1491#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1492int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1493#else
1494static inline
1495int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1496{
1497 return -EINVAL;
1498}
1499#endif
1500
1501#ifdef CONFIG_ACPI_LPIT
1502int lpit_read_residency_count_address(u64 *address);
1503#else
1504static inline int lpit_read_residency_count_address(u64 *address)
1505{
1506 return -EINVAL;
1507}
1508#endif
1509
1510#ifdef CONFIG_ACPI_PROCESSOR_IDLE
1511#ifndef arch_get_idle_state_flags
1512static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1513{
1514 return 0;
1515}
1516#endif
1517#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1518
1519#ifdef CONFIG_ACPI_PPTT
1520int acpi_pptt_cpu_is_thread(unsigned int cpu);
1521int find_acpi_cpu_topology(unsigned int cpu, int level);
1522int find_acpi_cpu_topology_cluster(unsigned int cpu);
1523int find_acpi_cpu_topology_package(unsigned int cpu);
1524int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1525#else
1526static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1527{
1528 return -EINVAL;
1529}
1530static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1531{
1532 return -EINVAL;
1533}
1534static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1535{
1536 return -EINVAL;
1537}
1538static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1539{
1540 return -EINVAL;
1541}
1542static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1543{
1544 return -EINVAL;
1545}
1546#endif
1547
1548void acpi_arch_init(void);
1549
1550#ifdef CONFIG_ACPI_PCC
1551void acpi_init_pcc(void);
1552#else
1553static inline void acpi_init_pcc(void) { }
1554#endif
1555
1556#ifdef CONFIG_ACPI_FFH
1557void acpi_init_ffh(void);
1558extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1559 void **region_ctxt);
1560extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1561 void *region_context);
1562#else
1563static inline void acpi_init_ffh(void) { }
1564#endif
1565
1566#ifdef CONFIG_ACPI
1567extern void acpi_device_notify(struct device *dev);
1568extern void acpi_device_notify_remove(struct device *dev);
1569#else
1570static inline void acpi_device_notify(struct device *dev) { }
1571static inline void acpi_device_notify_remove(struct device *dev) { }
1572#endif
1573
1574static inline void acpi_use_parent_companion(struct device *dev)
1575{
1576 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1577}
1578
1579#ifdef CONFIG_ACPI_HMAT
1580int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
1581 enum access_coordinate_class access);
1582#else
1583static inline int hmat_update_target_coordinates(int nid,
1584 struct access_coordinate *coord,
1585 enum access_coordinate_class access)
1586{
1587 return -EOPNOTSUPP;
1588}
1589#endif
1590
1591#ifdef CONFIG_ACPI_NUMA
1592bool acpi_node_backed_by_real_pxm(int nid);
1593#else
1594static inline bool acpi_node_backed_by_real_pxm(int nid)
1595{
1596 return false;
1597}
1598#endif
1599
1600#endif /*_LINUX_ACPI_H*/