linux/include/linux/acpi.h
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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/irqdomain.h>
  14#include <linux/resource_ext.h>
  15#include <linux/device.h>
  16#include <linux/property.h>
  17#include <linux/uuid.h>
  18
  19#ifndef _LINUX
  20#define _LINUX
  21#endif
  22#include <acpi/acpi.h>
  23
  24#ifdef  CONFIG_ACPI
  25
  26#include <linux/list.h>
  27#include <linux/mod_devicetable.h>
  28#include <linux/dynamic_debug.h>
  29#include <linux/module.h>
  30#include <linux/mutex.h>
  31
  32#include <acpi/acpi_bus.h>
  33#include <acpi/acpi_drivers.h>
  34#include <acpi/acpi_numa.h>
  35#include <acpi/acpi_io.h>
  36#include <asm/acpi.h>
  37
  38static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  39{
  40        return adev ? adev->handle : NULL;
  41}
  42
  43#define ACPI_COMPANION(dev)             to_acpi_device_node((dev)->fwnode)
  44#define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
  45        acpi_fwnode_handle(adev) : NULL)
  46#define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
  47#define ACPI_HANDLE_FWNODE(fwnode)      \
  48                                acpi_device_handle(to_acpi_device_node(fwnode))
  49
  50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
  51{
  52        struct fwnode_handle *fwnode;
  53
  54        fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
  55        if (!fwnode)
  56                return NULL;
  57
  58        fwnode->ops = &acpi_static_fwnode_ops;
  59
  60        return fwnode;
  61}
  62
  63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
  64{
  65        if (WARN_ON(!is_acpi_static_node(fwnode)))
  66                return;
  67
  68        kfree(fwnode);
  69}
  70
  71/**
  72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  73 * the PCI-defined class-code information
  74 *
  75 * @_cls : the class, subclass, prog-if triple for this device
  76 * @_msk : the class mask for this device
  77 *
  78 * This macro is used to create a struct acpi_device_id that matches a
  79 * specific PCI class. The .id and .driver_data fields will be left
  80 * initialized with the default value.
  81 */
  82#define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
  83
  84static inline bool has_acpi_companion(struct device *dev)
  85{
  86        return is_acpi_device_node(dev->fwnode);
  87}
  88
  89static inline void acpi_preset_companion(struct device *dev,
  90                                         struct acpi_device *parent, u64 addr)
  91{
  92        ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
  93}
  94
  95static inline const char *acpi_dev_name(struct acpi_device *adev)
  96{
  97        return dev_name(&adev->dev);
  98}
  99
 100struct device *acpi_get_first_physical_node(struct acpi_device *adev);
 101
 102enum acpi_irq_model_id {
 103        ACPI_IRQ_MODEL_PIC = 0,
 104        ACPI_IRQ_MODEL_IOAPIC,
 105        ACPI_IRQ_MODEL_IOSAPIC,
 106        ACPI_IRQ_MODEL_PLATFORM,
 107        ACPI_IRQ_MODEL_GIC,
 108        ACPI_IRQ_MODEL_COUNT
 109};
 110
 111extern enum acpi_irq_model_id   acpi_irq_model;
 112
 113enum acpi_interrupt_id {
 114        ACPI_INTERRUPT_PMI      = 1,
 115        ACPI_INTERRUPT_INIT,
 116        ACPI_INTERRUPT_CPEI,
 117        ACPI_INTERRUPT_COUNT
 118};
 119
 120#define ACPI_SPACE_MEM          0
 121
 122enum acpi_address_range_id {
 123        ACPI_ADDRESS_RANGE_MEMORY = 1,
 124        ACPI_ADDRESS_RANGE_RESERVED = 2,
 125        ACPI_ADDRESS_RANGE_ACPI = 3,
 126        ACPI_ADDRESS_RANGE_NVS  = 4,
 127        ACPI_ADDRESS_RANGE_COUNT
 128};
 129
 130
 131/* Table Handlers */
 132union acpi_subtable_headers {
 133        struct acpi_subtable_header common;
 134        struct acpi_hmat_structure hmat;
 135};
 136
 137typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 138
 139typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
 140                                      const unsigned long end);
 141
 142/* Debugger support */
 143
 144struct acpi_debugger_ops {
 145        int (*create_thread)(acpi_osd_exec_callback function, void *context);
 146        ssize_t (*write_log)(const char *msg);
 147        ssize_t (*read_cmd)(char *buffer, size_t length);
 148        int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
 149        int (*notify_command_complete)(void);
 150};
 151
 152struct acpi_debugger {
 153        const struct acpi_debugger_ops *ops;
 154        struct module *owner;
 155        struct mutex lock;
 156};
 157
 158#ifdef CONFIG_ACPI_DEBUGGER
 159int __init acpi_debugger_init(void);
 160int acpi_register_debugger(struct module *owner,
 161                           const struct acpi_debugger_ops *ops);
 162void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
 163int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
 164ssize_t acpi_debugger_write_log(const char *msg);
 165ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
 166int acpi_debugger_wait_command_ready(void);
 167int acpi_debugger_notify_command_complete(void);
 168#else
 169static inline int acpi_debugger_init(void)
 170{
 171        return -ENODEV;
 172}
 173
 174static inline int acpi_register_debugger(struct module *owner,
 175                                         const struct acpi_debugger_ops *ops)
 176{
 177        return -ENODEV;
 178}
 179
 180static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
 181{
 182}
 183
 184static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
 185                                              void *context)
 186{
 187        return -ENODEV;
 188}
 189
 190static inline int acpi_debugger_write_log(const char *msg)
 191{
 192        return -ENODEV;
 193}
 194
 195static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
 196{
 197        return -ENODEV;
 198}
 199
 200static inline int acpi_debugger_wait_command_ready(void)
 201{
 202        return -ENODEV;
 203}
 204
 205static inline int acpi_debugger_notify_command_complete(void)
 206{
 207        return -ENODEV;
 208}
 209#endif
 210
 211#define BAD_MADT_ENTRY(entry, end) (                                        \
 212                (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 213                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 214
 215struct acpi_subtable_proc {
 216        int id;
 217        acpi_tbl_entry_handler handler;
 218        int count;
 219};
 220
 221void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
 222void __acpi_unmap_table(void __iomem *map, unsigned long size);
 223int early_acpi_boot_init(void);
 224int acpi_boot_init (void);
 225void acpi_boot_table_init (void);
 226int acpi_mps_check (void);
 227int acpi_numa_init (void);
 228
 229int acpi_table_init (void);
 230int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 231int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 232                              int entry_id,
 233                              acpi_tbl_entry_handler handler,
 234                              unsigned int max_entries);
 235int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
 236                              struct acpi_subtable_proc *proc, int proc_num,
 237                              unsigned int max_entries);
 238int acpi_table_parse_madt(enum acpi_madt_type id,
 239                          acpi_tbl_entry_handler handler,
 240                          unsigned int max_entries);
 241int acpi_parse_mcfg (struct acpi_table_header *header);
 242void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 243
 244/* the following numa functions are architecture-dependent */
 245void acpi_numa_slit_init (struct acpi_table_slit *slit);
 246
 247#if defined(CONFIG_X86) || defined(CONFIG_IA64)
 248void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 249#else
 250static inline void
 251acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
 252#endif
 253
 254void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 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
 263int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 264
 265#ifndef PHYS_CPUID_INVALID
 266typedef u32 phys_cpuid_t;
 267#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 268#endif
 269
 270static inline bool invalid_logical_cpuid(u32 cpuid)
 271{
 272        return (int)cpuid < 0;
 273}
 274
 275static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 276{
 277        return phys_id == PHYS_CPUID_INVALID;
 278}
 279
 280/* Validate the processor object's proc_id */
 281bool acpi_duplicate_processor_id(int proc_id);
 282
 283#ifdef CONFIG_ACPI_HOTPLUG_CPU
 284/* Arch dependent functions for cpu hotplug support */
 285int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
 286                 int *pcpu);
 287int acpi_unmap_cpu(int cpu);
 288#endif /* CONFIG_ACPI_HOTPLUG_CPU */
 289
 290#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 291int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 292#endif
 293
 294int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 295int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 296int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 297void acpi_irq_stats_init(void);
 298extern u32 acpi_irq_handled;
 299extern u32 acpi_irq_not_handled;
 300extern unsigned int acpi_sci_irq;
 301extern bool acpi_no_s5;
 302#define INVALID_ACPI_IRQ        ((unsigned)-1)
 303static inline bool acpi_sci_irq_valid(void)
 304{
 305        return acpi_sci_irq != INVALID_ACPI_IRQ;
 306}
 307
 308extern int sbf_port;
 309extern unsigned long acpi_realmode_flags;
 310
 311int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 312int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 313int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 314
 315void acpi_set_irq_model(enum acpi_irq_model_id model,
 316                        struct fwnode_handle *fwnode);
 317
 318struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
 319                                             unsigned int size,
 320                                             struct fwnode_handle *fwnode,
 321                                             const struct irq_domain_ops *ops,
 322                                             void *host_data);
 323
 324#ifdef CONFIG_X86_IO_APIC
 325extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 326#else
 327static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
 328{
 329        return -1;
 330}
 331#endif
 332/*
 333 * This function undoes the effect of one call to acpi_register_gsi().
 334 * If this matches the last registration, any IRQ resources for gsi
 335 * are freed.
 336 */
 337void acpi_unregister_gsi (u32 gsi);
 338
 339struct pci_dev;
 340
 341int acpi_pci_irq_enable (struct pci_dev *dev);
 342void acpi_penalize_isa_irq(int irq, int active);
 343bool acpi_isa_irq_available(int irq);
 344#ifdef CONFIG_PCI
 345void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 346#else
 347static inline void acpi_penalize_sci_irq(int irq, int trigger,
 348                                        int polarity)
 349{
 350}
 351#endif
 352void acpi_pci_irq_disable (struct pci_dev *dev);
 353
 354extern int ec_read(u8 addr, u8 *val);
 355extern int ec_write(u8 addr, u8 val);
 356extern int ec_transaction(u8 command,
 357                          const u8 *wdata, unsigned wdata_len,
 358                          u8 *rdata, unsigned rdata_len);
 359extern acpi_handle ec_get_handle(void);
 360
 361extern bool acpi_is_pnp_device(struct acpi_device *);
 362
 363#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 364
 365typedef void (*wmi_notify_handler) (u32 value, void *context);
 366
 367extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 368                                        u32 method_id,
 369                                        const struct acpi_buffer *in,
 370                                        struct acpi_buffer *out);
 371extern acpi_status wmi_query_block(const char *guid, u8 instance,
 372                                        struct acpi_buffer *out);
 373extern acpi_status wmi_set_block(const char *guid, u8 instance,
 374                                        const struct acpi_buffer *in);
 375extern acpi_status wmi_install_notify_handler(const char *guid,
 376                                        wmi_notify_handler handler, void *data);
 377extern acpi_status wmi_remove_notify_handler(const char *guid);
 378extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 379extern bool wmi_has_guid(const char *guid);
 380extern char *wmi_get_acpi_device_uid(const char *guid);
 381
 382#endif  /* CONFIG_ACPI_WMI */
 383
 384#define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 385#define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 386#define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 387#define ACPI_VIDEO_BACKLIGHT                            0x0008
 388#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 389#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 390#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 391#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 392#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 393#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 394#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 395#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 396
 397extern char acpi_video_backlight_string[];
 398extern long acpi_is_video_device(acpi_handle handle);
 399extern int acpi_blacklisted(void);
 400extern void acpi_osi_setup(char *str);
 401extern bool acpi_osi_is_win8(void);
 402
 403#ifdef CONFIG_ACPI_NUMA
 404int acpi_map_pxm_to_online_node(int pxm);
 405int acpi_map_pxm_to_node(int pxm);
 406int acpi_get_node(acpi_handle handle);
 407#else
 408static inline int acpi_map_pxm_to_online_node(int pxm)
 409{
 410        return 0;
 411}
 412static inline int acpi_map_pxm_to_node(int pxm)
 413{
 414        return 0;
 415}
 416static inline int acpi_get_node(acpi_handle handle)
 417{
 418        return 0;
 419}
 420#endif
 421extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 422
 423extern int pnpacpi_disabled;
 424
 425#define PXM_INVAL       (-1)
 426
 427bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 428bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 429bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 430                                     struct resource_win *win);
 431bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 432                                         struct resource_win *win);
 433unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 434unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
 435bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 436                                 struct resource *res);
 437
 438void acpi_dev_free_resource_list(struct list_head *list);
 439int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 440                           int (*preproc)(struct acpi_resource *, void *),
 441                           void *preproc_data);
 442int acpi_dev_get_dma_resources(struct acpi_device *adev,
 443                               struct list_head *list);
 444int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 445                                  unsigned long types);
 446
 447static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 448                                                   void *arg)
 449{
 450        return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 451}
 452
 453struct acpi_device *acpi_resource_consumer(struct resource *res);
 454
 455int acpi_check_resource_conflict(const struct resource *res);
 456
 457int acpi_check_region(resource_size_t start, resource_size_t n,
 458                      const char *name);
 459
 460acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
 461                                u32 level);
 462
 463int acpi_resources_are_enforced(void);
 464
 465#ifdef CONFIG_HIBERNATION
 466void __init acpi_no_s4_hw_signature(void);
 467#endif
 468
 469#ifdef CONFIG_PM_SLEEP
 470void __init acpi_old_suspend_ordering(void);
 471void __init acpi_nvs_nosave(void);
 472void __init acpi_nvs_nosave_s3(void);
 473void __init acpi_sleep_no_blacklist(void);
 474#endif /* CONFIG_PM_SLEEP */
 475
 476struct acpi_osc_context {
 477        char *uuid_str;                 /* UUID string */
 478        int rev;
 479        struct acpi_buffer cap;         /* list of DWORD capabilities */
 480        struct acpi_buffer ret;         /* free by caller if success */
 481};
 482
 483acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 484
 485/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 486#define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 487#define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 488#define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 489
 490/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 491#define OSC_QUERY_ENABLE                        0x00000001  /* input */
 492#define OSC_REQUEST_ERROR                       0x00000002  /* return */
 493#define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 494#define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 495#define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 496
 497/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 498#define OSC_SB_PAD_SUPPORT                      0x00000001
 499#define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 500#define OSC_SB_PR3_SUPPORT                      0x00000004
 501#define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 502#define OSC_SB_APEI_SUPPORT                     0x00000010
 503#define OSC_SB_CPC_SUPPORT                      0x00000020
 504#define OSC_SB_CPCV2_SUPPORT                    0x00000040
 505#define OSC_SB_PCLPI_SUPPORT                    0x00000080
 506#define OSC_SB_OSLPI_SUPPORT                    0x00000100
 507#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT         0x00001000
 508
 509extern bool osc_sb_apei_support_acked;
 510extern bool osc_pc_lpi_support_confirmed;
 511
 512/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 513#define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 514#define OSC_PCI_ASPM_SUPPORT                    0x00000002
 515#define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 516#define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 517#define OSC_PCI_MSI_SUPPORT                     0x00000010
 518#define OSC_PCI_HPX_TYPE_3_SUPPORT              0x00000100
 519#define OSC_PCI_SUPPORT_MASKS                   0x0000011f
 520
 521/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 522#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 523#define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 524#define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 525#define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 526#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 527#define OSC_PCI_EXPRESS_LTR_CONTROL             0x00000020
 528#define OSC_PCI_CONTROL_MASKS                   0x0000003f
 529
 530#define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 531#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 532#define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 533#define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 534#define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 535#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 536#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 537#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 538#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 539#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 540
 541extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 542                                             u32 *mask, u32 req);
 543
 544/* Enable _OST when all relevant hotplug operations are enabled */
 545#if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 546        defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 547        defined(CONFIG_ACPI_CONTAINER)
 548#define ACPI_HOTPLUG_OST
 549#endif
 550
 551/* _OST Source Event Code (OSPM Action) */
 552#define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 553#define ACPI_OST_EC_OSPM_EJECT                  0x103
 554#define ACPI_OST_EC_OSPM_INSERTION              0x200
 555
 556/* _OST General Processing Status Code */
 557#define ACPI_OST_SC_SUCCESS                     0x0
 558#define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 559#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 560
 561/* _OST OS Shutdown Processing (0x100) Status Code */
 562#define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 563#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 564#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 565#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 566
 567/* _OST Ejection Request (0x3, 0x103) Status Code */
 568#define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 569#define ACPI_OST_SC_DEVICE_IN_USE               0x81
 570#define ACPI_OST_SC_DEVICE_BUSY                 0x82
 571#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 572#define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 573
 574/* _OST Insertion Request (0x200) Status Code */
 575#define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 576#define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 577#define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 578
 579enum acpi_predicate {
 580        all_versions,
 581        less_than_or_equal,
 582        equal,
 583        greater_than_or_equal,
 584};
 585
 586/* Table must be terminted by a NULL entry */
 587struct acpi_platform_list {
 588        char    oem_id[ACPI_OEM_ID_SIZE+1];
 589        char    oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
 590        u32     oem_revision;
 591        char    *table;
 592        enum acpi_predicate pred;
 593        char    *reason;
 594        u32     data;
 595};
 596int acpi_match_platform_list(const struct acpi_platform_list *plat);
 597
 598extern void acpi_early_init(void);
 599extern void acpi_subsystem_init(void);
 600extern void arch_post_acpi_subsys_init(void);
 601
 602extern int acpi_nvs_register(__u64 start, __u64 size);
 603
 604extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 605                                    void *data);
 606
 607const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 608                                               const struct device *dev);
 609
 610const void *acpi_device_get_match_data(const struct device *dev);
 611extern bool acpi_driver_match_device(struct device *dev,
 612                                     const struct device_driver *drv);
 613int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 614int acpi_device_modalias(struct device *, char *, int);
 615void acpi_walk_dep_device_list(acpi_handle handle);
 616
 617struct platform_device *acpi_create_platform_device(struct acpi_device *,
 618                                                    struct property_entry *);
 619#define ACPI_PTR(_ptr)  (_ptr)
 620
 621static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 622{
 623        adev->flags.visited = true;
 624}
 625
 626static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 627{
 628        adev->flags.visited = false;
 629}
 630
 631enum acpi_reconfig_event  {
 632        ACPI_RECONFIG_DEVICE_ADD = 0,
 633        ACPI_RECONFIG_DEVICE_REMOVE,
 634};
 635
 636int acpi_reconfig_notifier_register(struct notifier_block *nb);
 637int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
 638
 639#ifdef CONFIG_ACPI_GTDT
 640int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
 641int acpi_gtdt_map_ppi(int type);
 642bool acpi_gtdt_c3stop(int type);
 643int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
 644#endif
 645
 646#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
 647static inline u64 acpi_arch_get_root_pointer(void)
 648{
 649        return 0;
 650}
 651#endif
 652
 653#else   /* !CONFIG_ACPI */
 654
 655#define acpi_disabled 1
 656
 657#define ACPI_COMPANION(dev)             (NULL)
 658#define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 659#define ACPI_HANDLE(dev)                (NULL)
 660#define ACPI_HANDLE_FWNODE(fwnode)      (NULL)
 661#define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
 662
 663struct fwnode_handle;
 664
 665static inline bool acpi_dev_found(const char *hid)
 666{
 667        return false;
 668}
 669
 670static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
 671{
 672        return false;
 673}
 674
 675static inline struct acpi_device *
 676acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
 677{
 678        return NULL;
 679}
 680
 681static inline void acpi_dev_put(struct acpi_device *adev) {}
 682
 683static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 684{
 685        return false;
 686}
 687
 688static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
 689{
 690        return false;
 691}
 692
 693static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
 694{
 695        return NULL;
 696}
 697
 698static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
 699{
 700        return false;
 701}
 702
 703static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
 704{
 705        return NULL;
 706}
 707
 708static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
 709                                        const char *name)
 710{
 711        return false;
 712}
 713
 714static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 715{
 716        return NULL;
 717}
 718
 719static inline bool has_acpi_companion(struct device *dev)
 720{
 721        return false;
 722}
 723
 724static inline void acpi_preset_companion(struct device *dev,
 725                                         struct acpi_device *parent, u64 addr)
 726{
 727}
 728
 729static inline const char *acpi_dev_name(struct acpi_device *adev)
 730{
 731        return NULL;
 732}
 733
 734static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
 735{
 736        return NULL;
 737}
 738
 739static inline void acpi_early_init(void) { }
 740static inline void acpi_subsystem_init(void) { }
 741
 742static inline int early_acpi_boot_init(void)
 743{
 744        return 0;
 745}
 746static inline int acpi_boot_init(void)
 747{
 748        return 0;
 749}
 750
 751static inline void acpi_boot_table_init(void)
 752{
 753        return;
 754}
 755
 756static inline int acpi_mps_check(void)
 757{
 758        return 0;
 759}
 760
 761static inline int acpi_check_resource_conflict(struct resource *res)
 762{
 763        return 0;
 764}
 765
 766static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 767                                    const char *name)
 768{
 769        return 0;
 770}
 771
 772struct acpi_table_header;
 773static inline int acpi_table_parse(char *id,
 774                                int (*handler)(struct acpi_table_header *))
 775{
 776        return -ENODEV;
 777}
 778
 779static inline int acpi_nvs_register(__u64 start, __u64 size)
 780{
 781        return 0;
 782}
 783
 784static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 785                                           void *data)
 786{
 787        return 0;
 788}
 789
 790struct acpi_device_id;
 791
 792static inline const struct acpi_device_id *acpi_match_device(
 793        const struct acpi_device_id *ids, const struct device *dev)
 794{
 795        return NULL;
 796}
 797
 798static inline const void *acpi_device_get_match_data(const struct device *dev)
 799{
 800        return NULL;
 801}
 802
 803static inline bool acpi_driver_match_device(struct device *dev,
 804                                            const struct device_driver *drv)
 805{
 806        return false;
 807}
 808
 809static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
 810                                                   const guid_t *guid,
 811                                                   int rev, int func,
 812                                                   union acpi_object *argv4)
 813{
 814        return NULL;
 815}
 816
 817static inline int acpi_device_uevent_modalias(struct device *dev,
 818                                struct kobj_uevent_env *env)
 819{
 820        return -ENODEV;
 821}
 822
 823static inline int acpi_device_modalias(struct device *dev,
 824                                char *buf, int size)
 825{
 826        return -ENODEV;
 827}
 828
 829static inline bool acpi_dma_supported(struct acpi_device *adev)
 830{
 831        return false;
 832}
 833
 834static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
 835{
 836        return DEV_DMA_NOT_SUPPORTED;
 837}
 838
 839static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
 840                                     u64 *offset, u64 *size)
 841{
 842        return -ENODEV;
 843}
 844
 845static inline int acpi_dma_configure(struct device *dev,
 846                                     enum dev_dma_attr attr)
 847{
 848        return 0;
 849}
 850
 851#define ACPI_PTR(_ptr)  (NULL)
 852
 853static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 854{
 855}
 856
 857static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 858{
 859}
 860
 861static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
 862{
 863        return -EINVAL;
 864}
 865
 866static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
 867{
 868        return -EINVAL;
 869}
 870
 871static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
 872{
 873        return NULL;
 874}
 875
 876#endif  /* !CONFIG_ACPI */
 877
 878#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 879int acpi_ioapic_add(acpi_handle root);
 880#else
 881static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
 882#endif
 883
 884#ifdef CONFIG_ACPI
 885void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 886                               u32 pm1a_ctrl,  u32 pm1b_ctrl));
 887
 888acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 889                                  u32 pm1a_control, u32 pm1b_control);
 890
 891void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 892                                        u32 val_a,  u32 val_b));
 893
 894acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 895                                           u32 val_a, u32 val_b);
 896
 897#ifdef CONFIG_X86
 898void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 899#else
 900static inline void arch_reserve_mem_area(acpi_physical_address addr,
 901                                          size_t size)
 902{
 903}
 904#endif /* CONFIG_X86 */
 905#else
 906#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 907#endif
 908
 909#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 910int acpi_dev_suspend(struct device *dev, bool wakeup);
 911int acpi_dev_resume(struct device *dev);
 912int acpi_subsys_runtime_suspend(struct device *dev);
 913int acpi_subsys_runtime_resume(struct device *dev);
 914int acpi_dev_pm_attach(struct device *dev, bool power_on);
 915#else
 916static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 917static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 918static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 919static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 920static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 921{
 922        return 0;
 923}
 924#endif
 925
 926#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 927int acpi_subsys_prepare(struct device *dev);
 928void acpi_subsys_complete(struct device *dev);
 929int acpi_subsys_suspend_late(struct device *dev);
 930int acpi_subsys_suspend_noirq(struct device *dev);
 931int acpi_subsys_suspend(struct device *dev);
 932int acpi_subsys_freeze(struct device *dev);
 933int acpi_subsys_poweroff(struct device *dev);
 934#else
 935static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 936static inline void acpi_subsys_complete(struct device *dev) {}
 937static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 938static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
 939static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 940static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 941static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
 942#endif
 943
 944#ifdef CONFIG_ACPI
 945__printf(3, 4)
 946void acpi_handle_printk(const char *level, acpi_handle handle,
 947                        const char *fmt, ...);
 948#else   /* !CONFIG_ACPI */
 949static inline __printf(3, 4) void
 950acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 951#endif  /* !CONFIG_ACPI */
 952
 953#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 954__printf(3, 4)
 955void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 956#endif
 957
 958/*
 959 * acpi_handle_<level>: Print message with ACPI prefix and object path
 960 *
 961 * These interfaces acquire the global namespace mutex to obtain an object
 962 * path.  In interrupt context, it shows the object path as <n/a>.
 963 */
 964#define acpi_handle_emerg(handle, fmt, ...)                             \
 965        acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 966#define acpi_handle_alert(handle, fmt, ...)                             \
 967        acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 968#define acpi_handle_crit(handle, fmt, ...)                              \
 969        acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 970#define acpi_handle_err(handle, fmt, ...)                               \
 971        acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 972#define acpi_handle_warn(handle, fmt, ...)                              \
 973        acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 974#define acpi_handle_notice(handle, fmt, ...)                            \
 975        acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 976#define acpi_handle_info(handle, fmt, ...)                              \
 977        acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 978
 979#if defined(DEBUG)
 980#define acpi_handle_debug(handle, fmt, ...)                             \
 981        acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 982#else
 983#if defined(CONFIG_DYNAMIC_DEBUG)
 984#define acpi_handle_debug(handle, fmt, ...)                             \
 985        _dynamic_func_call(fmt, __acpi_handle_debug,                    \
 986                           handle, pr_fmt(fmt), ##__VA_ARGS__)
 987#else
 988#define acpi_handle_debug(handle, fmt, ...)                             \
 989({                                                                      \
 990        if (0)                                                          \
 991                acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 992        0;                                                              \
 993})
 994#endif
 995#endif
 996
 997struct acpi_gpio_params {
 998        unsigned int crs_entry_index;
 999        unsigned int line_index;
1000        bool active_low;
1001};
1002
1003struct acpi_gpio_mapping {
1004        const char *name;
1005        const struct acpi_gpio_params *data;
1006        unsigned int size;
1007
1008/* Ignore IoRestriction field */
1009#define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION       BIT(0)
1010/*
1011 * When ACPI GPIO mapping table is in use the index parameter inside it
1012 * refers to the GPIO resource in _CRS method. That index has no
1013 * distinction of actual type of the resource. When consumer wants to
1014 * get GpioIo type explicitly, this quirk may be used.
1015 */
1016#define ACPI_GPIO_QUIRK_ONLY_GPIOIO             BIT(1)
1017
1018        unsigned int quirks;
1019};
1020
1021#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1022int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1023                              const struct acpi_gpio_mapping *gpios);
1024
1025static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
1026{
1027        if (adev)
1028                adev->driver_gpios = NULL;
1029}
1030
1031int devm_acpi_dev_add_driver_gpios(struct device *dev,
1032                                   const struct acpi_gpio_mapping *gpios);
1033void devm_acpi_dev_remove_driver_gpios(struct device *dev);
1034
1035bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1036                                struct acpi_resource_gpio **agpio);
1037int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1038#else
1039static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1040                              const struct acpi_gpio_mapping *gpios)
1041{
1042        return -ENXIO;
1043}
1044static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
1045
1046static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
1047                              const struct acpi_gpio_mapping *gpios)
1048{
1049        return -ENXIO;
1050}
1051static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
1052
1053static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1054                                              struct acpi_resource_gpio **agpio)
1055{
1056        return false;
1057}
1058static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1059{
1060        return -ENXIO;
1061}
1062#endif
1063
1064/* Device properties */
1065
1066#ifdef CONFIG_ACPI
1067int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1068                          acpi_object_type type, const union acpi_object **obj);
1069int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1070                                const char *name, size_t index, size_t num_args,
1071                                struct fwnode_reference_args *args);
1072
1073static inline int acpi_node_get_property_reference(
1074                                const struct fwnode_handle *fwnode,
1075                                const char *name, size_t index,
1076                                struct fwnode_reference_args *args)
1077{
1078        return __acpi_node_get_property_reference(fwnode, name, index,
1079                NR_FWNODE_REFERENCE_ARGS, args);
1080}
1081
1082static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1083{
1084        return !list_empty(&adev->data.properties);
1085}
1086
1087struct acpi_device_properties *
1088acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1089                    const union acpi_object *properties);
1090
1091int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1092                       void **valptr);
1093int acpi_dev_prop_read_single(struct acpi_device *adev,
1094                              const char *propname, enum dev_prop_type proptype,
1095                              void *val);
1096int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1097                        const char *propname, enum dev_prop_type proptype,
1098                        void *val, size_t nval);
1099int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1100                       enum dev_prop_type proptype, void *val, size_t nval);
1101
1102struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1103                                            struct fwnode_handle *child);
1104struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1105
1106struct acpi_probe_entry;
1107typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1108                                                 struct acpi_probe_entry *);
1109
1110#define ACPI_TABLE_ID_LEN       5
1111
1112/**
1113 * struct acpi_probe_entry - boot-time probing entry
1114 * @id:                 ACPI table name
1115 * @type:               Optional subtable type to match
1116 *                      (if @id contains subtables)
1117 * @subtable_valid:     Optional callback to check the validity of
1118 *                      the subtable
1119 * @probe_table:        Callback to the driver being probed when table
1120 *                      match is successful
1121 * @probe_subtbl:       Callback to the driver being probed when table and
1122 *                      subtable match (and optional callback is successful)
1123 * @driver_data:        Sideband data provided back to the driver
1124 */
1125struct acpi_probe_entry {
1126        __u8 id[ACPI_TABLE_ID_LEN];
1127        __u8 type;
1128        acpi_probe_entry_validate_subtbl subtable_valid;
1129        union {
1130                acpi_tbl_table_handler probe_table;
1131                acpi_tbl_entry_handler probe_subtbl;
1132        };
1133        kernel_ulong_t driver_data;
1134};
1135
1136#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)      \
1137        static const struct acpi_probe_entry __acpi_probe_##name        \
1138                __used __section(__##table##_acpi_probe_table)          \
1139                 = {                                                    \
1140                        .id = table_id,                                 \
1141                        .type = subtable,                               \
1142                        .subtable_valid = valid,                        \
1143                        .probe_table = (acpi_tbl_table_handler)fn,      \
1144                        .driver_data = data,                            \
1145                   }
1146
1147#define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
1148#define ACPI_PROBE_TABLE_END(name)      __##name##_acpi_probe_table_end
1149
1150int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1151
1152#define acpi_probe_device_table(t)                                      \
1153        ({                                                              \
1154                extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),     \
1155                                               ACPI_PROBE_TABLE_END(t); \
1156                __acpi_probe_device_table(&ACPI_PROBE_TABLE(t),         \
1157                                          (&ACPI_PROBE_TABLE_END(t) -   \
1158                                           &ACPI_PROBE_TABLE(t)));      \
1159        })
1160#else
1161static inline int acpi_dev_get_property(struct acpi_device *adev,
1162                                        const char *name, acpi_object_type type,
1163                                        const union acpi_object **obj)
1164{
1165        return -ENXIO;
1166}
1167
1168static inline int
1169__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1170                                const char *name, size_t index, size_t num_args,
1171                                struct fwnode_reference_args *args)
1172{
1173        return -ENXIO;
1174}
1175
1176static inline int
1177acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1178                                 const char *name, size_t index,
1179                                 struct fwnode_reference_args *args)
1180{
1181        return -ENXIO;
1182}
1183
1184static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1185                                     const char *propname,
1186                                     void **valptr)
1187{
1188        return -ENXIO;
1189}
1190
1191static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1192                                    const char *propname,
1193                                    void **valptr)
1194{
1195        return -ENXIO;
1196}
1197
1198static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1199                                            const char *propname,
1200                                            enum dev_prop_type proptype,
1201                                            void *val)
1202{
1203        return -ENXIO;
1204}
1205
1206static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1207                                      const char *propname,
1208                                      enum dev_prop_type proptype,
1209                                      void *val, size_t nval)
1210{
1211        return -ENXIO;
1212}
1213
1214static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1215                                     const char *propname,
1216                                     enum dev_prop_type proptype,
1217                                     void *val, size_t nval)
1218{
1219        return -ENXIO;
1220}
1221
1222static inline struct fwnode_handle *
1223acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1224                      struct fwnode_handle *child)
1225{
1226        return NULL;
1227}
1228
1229static inline struct fwnode_handle *
1230acpi_node_get_parent(const struct fwnode_handle *fwnode)
1231{
1232        return NULL;
1233}
1234
1235static inline struct fwnode_handle *
1236acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1237                             struct fwnode_handle *prev)
1238{
1239        return ERR_PTR(-ENXIO);
1240}
1241
1242static inline int
1243acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1244                               struct fwnode_handle **remote,
1245                               struct fwnode_handle **port,
1246                               struct fwnode_handle **endpoint)
1247{
1248        return -ENXIO;
1249}
1250
1251#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1252        static const void * __acpi_table_##name[]                       \
1253                __attribute__((unused))                                 \
1254                 = { (void *) table_id,                                 \
1255                     (void *) subtable,                                 \
1256                     (void *) valid,                                    \
1257                     (void *) fn,                                       \
1258                     (void *) data }
1259
1260#define acpi_probe_device_table(t)      ({ int __r = 0; __r;})
1261#endif
1262
1263#ifdef CONFIG_ACPI_TABLE_UPGRADE
1264void acpi_table_upgrade(void);
1265#else
1266static inline void acpi_table_upgrade(void) { }
1267#endif
1268
1269#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1270extern bool acpi_has_watchdog(void);
1271#else
1272static inline bool acpi_has_watchdog(void) { return false; }
1273#endif
1274
1275#ifdef CONFIG_ACPI_SPCR_TABLE
1276extern bool qdf2400_e44_present;
1277int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1278#else
1279static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1280{
1281        return 0;
1282}
1283#endif
1284
1285#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1286int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1287#else
1288static inline
1289int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1290{
1291        return -EINVAL;
1292}
1293#endif
1294
1295#ifdef CONFIG_ACPI_LPIT
1296int lpit_read_residency_count_address(u64 *address);
1297#else
1298static inline int lpit_read_residency_count_address(u64 *address)
1299{
1300        return -EINVAL;
1301}
1302#endif
1303
1304#ifdef CONFIG_ACPI_PPTT
1305int find_acpi_cpu_topology(unsigned int cpu, int level);
1306int find_acpi_cpu_topology_package(unsigned int cpu);
1307int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1308int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1309#else
1310static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1311{
1312        return -EINVAL;
1313}
1314static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1315{
1316        return -EINVAL;
1317}
1318static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1319{
1320        return -EINVAL;
1321}
1322static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1323{
1324        return -EINVAL;
1325}
1326#endif
1327
1328#ifdef CONFIG_ACPI
1329extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1330#else
1331static inline int
1332acpi_platform_notify(struct device *dev, enum kobject_action action)
1333{
1334        return 0;
1335}
1336#endif
1337
1338#endif  /*_LINUX_ACPI_H*/
1339