1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * acpi.h - ACPI Interface
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>
20 struct irq_domain_ops;
25 #include <acpi/acpi.h>
29 #include <linux/list.h>
30 #include <linux/dynamic_debug.h>
31 #include <linux/module.h>
32 #include <linux/mutex.h>
34 #include <acpi/acpi_bus.h>
35 #include <acpi/acpi_drivers.h>
36 #include <acpi/acpi_numa.h>
37 #include <acpi/acpi_io.h>
40 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
42 return adev ? adev->handle : NULL;
45 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
46 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
47 acpi_fwnode_handle(adev) : NULL)
48 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
49 #define ACPI_HANDLE_FWNODE(fwnode) \
50 acpi_device_handle(to_acpi_device_node(fwnode))
52 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
54 struct fwnode_handle *fwnode;
56 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
60 fwnode_init(fwnode, &acpi_static_fwnode_ops);
65 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
67 if (WARN_ON(!is_acpi_static_node(fwnode)))
74 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
75 * the PCI-defined class-code information
77 * @_cls : the class, subclass, prog-if triple for this device
78 * @_msk : the class mask for this device
80 * This macro is used to create a struct acpi_device_id that matches a
81 * specific PCI class. The .id and .driver_data fields will be left
82 * initialized with the default value.
84 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
86 static inline bool has_acpi_companion(struct device *dev)
88 return is_acpi_device_node(dev->fwnode);
91 static inline void acpi_preset_companion(struct device *dev,
92 struct acpi_device *parent, u64 addr)
94 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
97 static inline const char *acpi_dev_name(struct acpi_device *adev)
99 return dev_name(&adev->dev);
102 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
104 enum acpi_irq_model_id {
105 ACPI_IRQ_MODEL_PIC = 0,
106 ACPI_IRQ_MODEL_IOAPIC,
107 ACPI_IRQ_MODEL_IOSAPIC,
108 ACPI_IRQ_MODEL_PLATFORM,
114 extern enum acpi_irq_model_id acpi_irq_model;
116 enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
123 #define ACPI_SPACE_MEM 0
125 enum 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
135 union acpi_subtable_headers {
136 struct acpi_subtable_header common;
137 struct acpi_hmat_structure hmat;
138 struct acpi_prmt_module_header prmt;
139 struct acpi_cedt_header cedt;
142 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
144 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
145 const unsigned long end);
147 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
148 void *arg, const unsigned long end);
150 /* Debugger support */
152 struct acpi_debugger_ops {
153 int (*create_thread)(acpi_osd_exec_callback function, void *context);
154 ssize_t (*write_log)(const char *msg);
155 ssize_t (*read_cmd)(char *buffer, size_t length);
156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
157 int (*notify_command_complete)(void);
160 struct acpi_debugger {
161 const struct acpi_debugger_ops *ops;
162 struct module *owner;
166 #ifdef CONFIG_ACPI_DEBUGGER
167 int __init acpi_debugger_init(void);
168 int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops);
170 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
171 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
172 ssize_t acpi_debugger_write_log(const char *msg);
173 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
174 int acpi_debugger_wait_command_ready(void);
175 int acpi_debugger_notify_command_complete(void);
177 static inline int acpi_debugger_init(void)
182 static inline int acpi_register_debugger(struct module *owner,
183 const struct acpi_debugger_ops *ops)
188 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
192 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
198 static inline int acpi_debugger_write_log(const char *msg)
203 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
208 static inline int acpi_debugger_wait_command_ready(void)
213 static inline int acpi_debugger_notify_command_complete(void)
219 #define BAD_MADT_ENTRY(entry, end) ( \
220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
223 struct acpi_subtable_proc {
225 acpi_tbl_entry_handler handler;
226 acpi_tbl_entry_handler_arg handler_arg;
231 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
232 void __acpi_unmap_table(void __iomem *map, unsigned long size);
233 int early_acpi_boot_init(void);
234 int acpi_boot_init (void);
235 void acpi_boot_table_prepare (void);
236 void acpi_boot_table_init (void);
237 int acpi_mps_check (void);
238 int acpi_numa_init (void);
240 int acpi_locate_initial_tables (void);
241 void acpi_reserve_initial_tables (void);
242 void acpi_table_init_complete (void);
243 int acpi_table_init (void);
245 #ifdef CONFIG_ACPI_TABLE_LIB
246 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
247 #define __init_or_acpilib
248 #define __initdata_or_acpilib
250 #define EXPORT_SYMBOL_ACPI_LIB(x)
251 #define __init_or_acpilib __init
252 #define __initdata_or_acpilib __initdata
255 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
256 int __init_or_acpilib acpi_table_parse_entries(char *id,
257 unsigned long table_size, int entry_id,
258 acpi_tbl_entry_handler handler, unsigned int max_entries);
259 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
260 unsigned long table_size, struct acpi_subtable_proc *proc,
261 int proc_num, unsigned int max_entries);
262 int acpi_table_parse_madt(enum acpi_madt_type id,
263 acpi_tbl_entry_handler handler,
264 unsigned int max_entries);
265 int __init_or_acpilib
266 acpi_table_parse_cedt(enum acpi_cedt_type id,
267 acpi_tbl_entry_handler_arg handler_arg, void *arg);
269 int acpi_parse_mcfg (struct acpi_table_header *header);
270 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
272 /* the following numa functions are architecture-dependent */
273 void acpi_numa_slit_init (struct acpi_table_slit *slit);
275 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
276 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
279 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
282 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
284 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
285 void acpi_arch_dma_setup(struct device *dev);
287 static inline void acpi_arch_dma_setup(struct device *dev) { }
291 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
294 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
297 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
299 #ifndef PHYS_CPUID_INVALID
300 typedef u32 phys_cpuid_t;
301 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
304 static inline bool invalid_logical_cpuid(u32 cpuid)
306 return (int)cpuid < 0;
309 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
311 return phys_id == PHYS_CPUID_INVALID;
314 /* Validate the processor object's proc_id */
315 bool acpi_duplicate_processor_id(int proc_id);
316 /* Processor _CTS control */
317 struct acpi_processor_power;
319 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
320 bool acpi_processor_claim_cst_control(void);
321 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
322 struct acpi_processor_power *info);
324 static inline bool acpi_processor_claim_cst_control(void) { return false; }
325 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
326 struct acpi_processor_power *info)
332 #ifdef CONFIG_ACPI_HOTPLUG_CPU
333 /* Arch dependent functions for cpu hotplug support */
334 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
336 int acpi_unmap_cpu(int cpu);
337 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
339 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
340 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
343 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
344 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
345 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
346 void acpi_irq_stats_init(void);
347 extern u32 acpi_irq_handled;
348 extern u32 acpi_irq_not_handled;
349 extern unsigned int acpi_sci_irq;
350 extern bool acpi_no_s5;
351 #define INVALID_ACPI_IRQ ((unsigned)-1)
352 static inline bool acpi_sci_irq_valid(void)
354 return acpi_sci_irq != INVALID_ACPI_IRQ;
358 extern unsigned long acpi_realmode_flags;
360 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
361 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
362 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
364 void acpi_set_irq_model(enum acpi_irq_model_id model,
365 struct fwnode_handle *(*)(u32));
366 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
368 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
370 struct fwnode_handle *fwnode,
371 const struct irq_domain_ops *ops,
374 #ifdef CONFIG_X86_IO_APIC
375 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
377 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
383 * This function undoes the effect of one call to acpi_register_gsi().
384 * If this matches the last registration, any IRQ resources for gsi
387 void acpi_unregister_gsi (u32 gsi);
391 int acpi_pci_irq_enable (struct pci_dev *dev);
392 void acpi_penalize_isa_irq(int irq, int active);
393 bool acpi_isa_irq_available(int irq);
395 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
397 static inline void acpi_penalize_sci_irq(int irq, int trigger,
402 void acpi_pci_irq_disable (struct pci_dev *dev);
404 extern int ec_read(u8 addr, u8 *val);
405 extern int ec_write(u8 addr, u8 val);
406 extern int ec_transaction(u8 command,
407 const u8 *wdata, unsigned wdata_len,
408 u8 *rdata, unsigned rdata_len);
409 extern acpi_handle ec_get_handle(void);
411 extern bool acpi_is_pnp_device(struct acpi_device *);
413 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
415 typedef void (*wmi_notify_handler) (u32 value, void *context);
417 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
419 const struct acpi_buffer *in,
420 struct acpi_buffer *out);
421 extern acpi_status wmi_query_block(const char *guid, u8 instance,
422 struct acpi_buffer *out);
423 extern acpi_status wmi_set_block(const char *guid, u8 instance,
424 const struct acpi_buffer *in);
425 extern acpi_status wmi_install_notify_handler(const char *guid,
426 wmi_notify_handler handler, void *data);
427 extern acpi_status wmi_remove_notify_handler(const char *guid);
428 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
429 extern bool wmi_has_guid(const char *guid);
430 extern char *wmi_get_acpi_device_uid(const char *guid);
432 #endif /* CONFIG_ACPI_WMI */
434 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
435 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
436 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
437 #define ACPI_VIDEO_BACKLIGHT 0x0008
438 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
439 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
440 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
441 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
442 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
443 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
444 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
445 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
447 extern char acpi_video_backlight_string[];
448 extern long acpi_is_video_device(acpi_handle handle);
449 extern int acpi_blacklisted(void);
450 extern void acpi_osi_setup(char *str);
451 extern bool acpi_osi_is_win8(void);
453 #ifdef CONFIG_ACPI_NUMA
454 int acpi_map_pxm_to_node(int pxm);
455 int acpi_get_node(acpi_handle handle);
458 * pxm_to_online_node - Map proximity ID to online node
459 * @pxm: ACPI proximity ID
461 * This is similar to pxm_to_node(), but always returns an online
462 * node. When the mapped node from a given proximity ID is offline, it
463 * looks up the node distance table and returns the nearest online node.
465 * ACPI device drivers, which are called after the NUMA initialization has
466 * completed in the kernel, can call this interface to obtain their device
467 * NUMA topology from ACPI tables. Such drivers do not have to deal with
468 * offline nodes. A node may be offline when SRAT memory entry does not exist,
469 * or NUMA is disabled, ex. "numa=off" on x86.
471 static inline int pxm_to_online_node(int pxm)
473 int node = pxm_to_node(pxm);
475 return numa_map_to_online_node(node);
478 static inline int pxm_to_online_node(int pxm)
482 static inline int acpi_map_pxm_to_node(int pxm)
486 static inline int acpi_get_node(acpi_handle handle)
491 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
493 extern int pnpacpi_disabled;
495 #define PXM_INVAL (-1)
497 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
498 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
499 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
500 struct resource_win *win);
501 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
502 struct resource_win *win);
503 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
504 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
505 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
506 struct resource *res);
508 void acpi_dev_free_resource_list(struct list_head *list);
509 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
510 int (*preproc)(struct acpi_resource *, void *),
512 int acpi_dev_get_dma_resources(struct acpi_device *adev,
513 struct list_head *list);
514 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
515 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
516 unsigned long types);
518 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
521 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
524 struct acpi_device *acpi_resource_consumer(struct resource *res);
526 int acpi_check_resource_conflict(const struct resource *res);
528 int acpi_check_region(resource_size_t start, resource_size_t n,
531 int acpi_resources_are_enforced(void);
533 #ifdef CONFIG_HIBERNATION
534 extern int acpi_check_s4_hw_signature;
537 #ifdef CONFIG_PM_SLEEP
538 void __init acpi_old_suspend_ordering(void);
539 void __init acpi_nvs_nosave(void);
540 void __init acpi_nvs_nosave_s3(void);
541 void __init acpi_sleep_no_blacklist(void);
542 #endif /* CONFIG_PM_SLEEP */
544 int acpi_register_wakeup_handler(
545 int wake_irq, bool (*wakeup)(void *context), void *context);
546 void acpi_unregister_wakeup_handler(
547 bool (*wakeup)(void *context), void *context);
549 struct acpi_osc_context {
550 char *uuid_str; /* UUID string */
552 struct acpi_buffer cap; /* list of DWORD capabilities */
553 struct acpi_buffer ret; /* free by caller if success */
556 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
558 /* Number of _OSC capability DWORDS depends on bridge type */
559 #define OSC_PCI_CAPABILITY_DWORDS 3
560 #define OSC_CXL_CAPABILITY_DWORDS 5
562 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
563 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
564 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
565 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
566 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
567 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
569 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
570 #define OSC_QUERY_ENABLE 0x00000001 /* input */
571 #define OSC_REQUEST_ERROR 0x00000002 /* return */
572 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
573 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
574 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
576 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
577 #define OSC_SB_PAD_SUPPORT 0x00000001
578 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
579 #define OSC_SB_PR3_SUPPORT 0x00000004
580 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
581 #define OSC_SB_APEI_SUPPORT 0x00000010
582 #define OSC_SB_CPC_SUPPORT 0x00000020
583 #define OSC_SB_CPCV2_SUPPORT 0x00000040
584 #define OSC_SB_PCLPI_SUPPORT 0x00000080
585 #define OSC_SB_OSLPI_SUPPORT 0x00000100
586 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
587 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
588 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
589 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
590 #define OSC_SB_PRM_SUPPORT 0x00200000
591 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
593 extern bool osc_sb_apei_support_acked;
594 extern bool osc_pc_lpi_support_confirmed;
595 extern bool osc_sb_native_usb4_support_confirmed;
596 extern bool osc_sb_cppc2_support_acked;
597 extern bool osc_cpc_flexible_adr_space_confirmed;
599 /* USB4 Capabilities */
600 #define OSC_USB_USB3_TUNNELING 0x00000001
601 #define OSC_USB_DP_TUNNELING 0x00000002
602 #define OSC_USB_PCIE_TUNNELING 0x00000004
603 #define OSC_USB_XDOMAIN 0x00000008
605 extern u32 osc_sb_native_usb4_control;
607 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
608 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
609 #define OSC_PCI_ASPM_SUPPORT 0x00000002
610 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
611 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
612 #define OSC_PCI_MSI_SUPPORT 0x00000010
613 #define OSC_PCI_EDR_SUPPORT 0x00000080
614 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
616 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
617 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
618 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
619 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
620 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
621 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
622 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
623 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
625 /* CXL _OSC: Capabilities DWORD 4: Support Field */
626 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
627 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
628 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
629 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
631 /* CXL _OSC: Capabilities DWORD 5: Control Field */
632 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
634 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
636 u32 *ret = context->ret.pointer;
638 return ret[OSC_CONTROL_DWORD];
641 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
643 u32 *ret = context->ret.pointer;
645 return ret[OSC_EXT_CONTROL_DWORD];
648 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
649 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
650 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
651 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
652 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
653 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
654 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
655 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
656 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
657 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
659 /* Enable _OST when all relevant hotplug operations are enabled */
660 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
661 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
662 defined(CONFIG_ACPI_CONTAINER)
663 #define ACPI_HOTPLUG_OST
666 /* _OST Source Event Code (OSPM Action) */
667 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
668 #define ACPI_OST_EC_OSPM_EJECT 0x103
669 #define ACPI_OST_EC_OSPM_INSERTION 0x200
671 /* _OST General Processing Status Code */
672 #define ACPI_OST_SC_SUCCESS 0x0
673 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
674 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
676 /* _OST OS Shutdown Processing (0x100) Status Code */
677 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
678 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
679 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
680 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
682 /* _OST Ejection Request (0x3, 0x103) Status Code */
683 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
684 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
685 #define ACPI_OST_SC_DEVICE_BUSY 0x82
686 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
687 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
689 /* _OST Insertion Request (0x200) Status Code */
690 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
691 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
692 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
694 enum acpi_predicate {
698 greater_than_or_equal,
701 /* Table must be terminted by a NULL entry */
702 struct acpi_platform_list {
703 char oem_id[ACPI_OEM_ID_SIZE+1];
704 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
707 enum acpi_predicate pred;
711 int acpi_match_platform_list(const struct acpi_platform_list *plat);
713 extern void acpi_early_init(void);
714 extern void acpi_subsystem_init(void);
715 extern void arch_post_acpi_subsys_init(void);
717 extern int acpi_nvs_register(__u64 start, __u64 size);
719 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
722 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
723 const struct device *dev);
725 const void *acpi_device_get_match_data(const struct device *dev);
726 extern bool acpi_driver_match_device(struct device *dev,
727 const struct device_driver *drv);
728 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
729 int acpi_device_modalias(struct device *, char *, int);
731 struct platform_device *acpi_create_platform_device(struct acpi_device *,
732 const struct property_entry *);
733 #define ACPI_PTR(_ptr) (_ptr)
735 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
737 adev->flags.visited = true;
740 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
742 adev->flags.visited = false;
745 enum acpi_reconfig_event {
746 ACPI_RECONFIG_DEVICE_ADD = 0,
747 ACPI_RECONFIG_DEVICE_REMOVE,
750 int acpi_reconfig_notifier_register(struct notifier_block *nb);
751 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
753 #ifdef CONFIG_ACPI_GTDT
754 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
755 int acpi_gtdt_map_ppi(int type);
756 bool acpi_gtdt_c3stop(int type);
757 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
760 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
761 static inline void acpi_arch_set_root_pointer(u64 addr)
766 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
767 static inline u64 acpi_arch_get_root_pointer(void)
773 int acpi_get_local_address(acpi_handle handle, u32 *addr);
774 const char *acpi_get_subsystem_id(acpi_handle handle);
776 #else /* !CONFIG_ACPI */
778 #define acpi_disabled 1
780 #define ACPI_COMPANION(dev) (NULL)
781 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
782 #define ACPI_HANDLE(dev) (NULL)
783 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
784 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
786 #include <acpi/acpi_numa.h>
788 struct fwnode_handle;
790 static inline bool acpi_dev_found(const char *hid)
795 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
803 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
808 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
813 static inline struct acpi_device *
814 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
819 static inline bool acpi_reduced_hardware(void)
824 static inline void acpi_dev_put(struct acpi_device *adev) {}
826 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
831 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
836 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
841 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
846 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
851 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
857 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
862 static inline bool has_acpi_companion(struct device *dev)
867 static inline void acpi_preset_companion(struct device *dev,
868 struct acpi_device *parent, u64 addr)
872 static inline const char *acpi_dev_name(struct acpi_device *adev)
877 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
882 static inline void acpi_early_init(void) { }
883 static inline void acpi_subsystem_init(void) { }
885 static inline int early_acpi_boot_init(void)
889 static inline int acpi_boot_init(void)
894 static inline void acpi_boot_table_prepare(void)
898 static inline void acpi_boot_table_init(void)
902 static inline int acpi_mps_check(void)
907 static inline int acpi_check_resource_conflict(struct resource *res)
912 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
918 struct acpi_table_header;
919 static inline int acpi_table_parse(char *id,
920 int (*handler)(struct acpi_table_header *))
925 static inline int acpi_nvs_register(__u64 start, __u64 size)
930 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
936 struct acpi_device_id;
938 static inline const struct acpi_device_id *acpi_match_device(
939 const struct acpi_device_id *ids, const struct device *dev)
944 static inline const void *acpi_device_get_match_data(const struct device *dev)
949 static inline bool acpi_driver_match_device(struct device *dev,
950 const struct device_driver *drv)
955 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
961 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
964 union acpi_object *argv4)
969 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
972 union acpi_object *argv4,
973 acpi_object_type type)
978 static inline int acpi_device_uevent_modalias(const struct device *dev,
979 struct kobj_uevent_env *env)
984 static inline int acpi_device_modalias(struct device *dev,
990 static inline struct platform_device *
991 acpi_create_platform_device(struct acpi_device *adev,
992 const struct property_entry *properties)
997 static inline bool acpi_dma_supported(const struct acpi_device *adev)
1002 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1004 return DEV_DMA_NOT_SUPPORTED;
1007 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1012 static inline int acpi_dma_configure(struct device *dev,
1013 enum dev_dma_attr attr)
1018 static inline int acpi_dma_configure_id(struct device *dev,
1019 enum dev_dma_attr attr,
1020 const u32 *input_id)
1025 #define ACPI_PTR(_ptr) (NULL)
1027 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1031 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1035 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1040 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1045 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1050 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1055 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1057 return ERR_PTR(-ENODEV);
1060 static inline int acpi_register_wakeup_handler(int wake_irq,
1061 bool (*wakeup)(void *context), void *context)
1066 static inline void acpi_unregister_wakeup_handler(
1067 bool (*wakeup)(void *context), void *context) { }
1069 struct acpi_osc_context;
1070 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1075 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1080 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1085 #endif /* !CONFIG_ACPI */
1087 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1088 int acpi_ioapic_add(acpi_handle root);
1090 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1094 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1095 u32 pm1a_ctrl, u32 pm1b_ctrl));
1097 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1098 u32 pm1a_control, u32 pm1b_control);
1100 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1101 u32 val_a, u32 val_b));
1103 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1104 u32 val_a, u32 val_b);
1106 struct acpi_s2idle_dev_ops {
1107 struct list_head list_node;
1108 void (*prepare)(void);
1109 void (*check)(void);
1110 void (*restore)(void);
1112 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1113 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1114 #endif /* CONFIG_X86 */
1116 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1118 static inline void arch_reserve_mem_area(acpi_physical_address addr,
1122 #endif /* CONFIG_X86 */
1124 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1127 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1128 int acpi_dev_suspend(struct device *dev, bool wakeup);
1129 int acpi_dev_resume(struct device *dev);
1130 int acpi_subsys_runtime_suspend(struct device *dev);
1131 int acpi_subsys_runtime_resume(struct device *dev);
1132 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1133 bool acpi_storage_d3(struct device *dev);
1134 bool acpi_dev_state_d0(struct device *dev);
1136 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
1137 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
1138 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1142 static inline bool acpi_storage_d3(struct device *dev)
1146 static inline bool acpi_dev_state_d0(struct device *dev)
1152 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1153 int acpi_subsys_prepare(struct device *dev);
1154 void acpi_subsys_complete(struct device *dev);
1155 int acpi_subsys_suspend_late(struct device *dev);
1156 int acpi_subsys_suspend_noirq(struct device *dev);
1157 int acpi_subsys_suspend(struct device *dev);
1158 int acpi_subsys_freeze(struct device *dev);
1159 int acpi_subsys_poweroff(struct device *dev);
1160 void acpi_ec_mark_gpe_for_wake(void);
1161 void acpi_ec_set_gpe_wake_mask(u8 action);
1162 int acpi_subsys_restore_early(struct device *dev);
1164 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1165 static inline void acpi_subsys_complete(struct device *dev) {}
1166 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1167 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1168 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1169 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1170 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1171 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1172 static inline void acpi_ec_mark_gpe_for_wake(void) {}
1173 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1178 void acpi_handle_printk(const char *level, acpi_handle handle,
1179 const char *fmt, ...);
1180 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1181 acpi_status status);
1182 #else /* !CONFIG_ACPI */
1183 static inline __printf(3, 4) void
1184 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1185 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1187 acpi_status status) {}
1188 #endif /* !CONFIG_ACPI */
1190 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1192 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1196 * acpi_handle_<level>: Print message with ACPI prefix and object path
1198 * These interfaces acquire the global namespace mutex to obtain an object
1199 * path. In interrupt context, it shows the object path as <n/a>.
1201 #define acpi_handle_emerg(handle, fmt, ...) \
1202 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1203 #define acpi_handle_alert(handle, fmt, ...) \
1204 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1205 #define acpi_handle_crit(handle, fmt, ...) \
1206 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1207 #define acpi_handle_err(handle, fmt, ...) \
1208 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1209 #define acpi_handle_warn(handle, fmt, ...) \
1210 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1211 #define acpi_handle_notice(handle, fmt, ...) \
1212 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1213 #define acpi_handle_info(handle, fmt, ...) \
1214 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1217 #define acpi_handle_debug(handle, fmt, ...) \
1218 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1220 #if defined(CONFIG_DYNAMIC_DEBUG)
1221 #define acpi_handle_debug(handle, fmt, ...) \
1222 _dynamic_func_call(fmt, __acpi_handle_debug, \
1223 handle, pr_fmt(fmt), ##__VA_ARGS__)
1225 #define acpi_handle_debug(handle, fmt, ...) \
1228 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1234 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1235 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1236 struct acpi_resource_gpio **agpio);
1237 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1238 struct acpi_resource_gpio **agpio);
1239 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
1240 bool *wake_capable);
1242 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1243 struct acpi_resource_gpio **agpio)
1247 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1248 struct acpi_resource_gpio **agpio)
1252 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
1253 int index, bool *wake_capable)
1259 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1262 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1265 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
1268 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
1271 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1273 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1276 /* Device properties */
1279 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1280 acpi_object_type type, const union acpi_object **obj);
1281 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1282 const char *name, size_t index, size_t num_args,
1283 struct fwnode_reference_args *args);
1285 static inline int acpi_node_get_property_reference(
1286 const struct fwnode_handle *fwnode,
1287 const char *name, size_t index,
1288 struct fwnode_reference_args *args)
1290 return __acpi_node_get_property_reference(fwnode, name, index,
1291 NR_FWNODE_REFERENCE_ARGS, args);
1294 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1296 return !list_empty(&adev->data.properties);
1299 struct acpi_device_properties *
1300 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1301 union acpi_object *properties);
1303 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1306 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1307 struct fwnode_handle *child);
1309 struct acpi_probe_entry;
1310 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1311 struct acpi_probe_entry *);
1313 #define ACPI_TABLE_ID_LEN 5
1316 * struct acpi_probe_entry - boot-time probing entry
1317 * @id: ACPI table name
1318 * @type: Optional subtable type to match
1319 * (if @id contains subtables)
1320 * @subtable_valid: Optional callback to check the validity of
1322 * @probe_table: Callback to the driver being probed when table
1323 * match is successful
1324 * @probe_subtbl: Callback to the driver being probed when table and
1325 * subtable match (and optional callback is successful)
1326 * @driver_data: Sideband data provided back to the driver
1328 struct acpi_probe_entry {
1329 __u8 id[ACPI_TABLE_ID_LEN];
1331 acpi_probe_entry_validate_subtbl subtable_valid;
1333 acpi_tbl_table_handler probe_table;
1334 acpi_tbl_entry_handler probe_subtbl;
1336 kernel_ulong_t driver_data;
1339 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1341 static const struct acpi_probe_entry __acpi_probe_##name \
1342 __used __section("__" #table "_acpi_probe_table") = { \
1345 .subtable_valid = valid, \
1346 .probe_table = fn, \
1347 .driver_data = data, \
1350 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1351 subtable, valid, data, fn) \
1352 static const struct acpi_probe_entry __acpi_probe_##name \
1353 __used __section("__" #table "_acpi_probe_table") = { \
1356 .subtable_valid = valid, \
1357 .probe_subtbl = fn, \
1358 .driver_data = data, \
1361 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1362 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1364 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1366 #define acpi_probe_device_table(t) \
1368 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1369 ACPI_PROBE_TABLE_END(t); \
1370 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1371 (&ACPI_PROBE_TABLE_END(t) - \
1372 &ACPI_PROBE_TABLE(t))); \
1375 static inline int acpi_dev_get_property(struct acpi_device *adev,
1376 const char *name, acpi_object_type type,
1377 const union acpi_object **obj)
1383 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1384 const char *name, size_t index, size_t num_args,
1385 struct fwnode_reference_args *args)
1391 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1392 const char *name, size_t index,
1393 struct fwnode_reference_args *args)
1398 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1399 const char *propname,
1405 static inline struct fwnode_handle *
1406 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1407 struct fwnode_handle *child)
1412 static inline struct fwnode_handle *
1413 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1414 struct fwnode_handle *prev)
1416 return ERR_PTR(-ENXIO);
1420 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1421 struct fwnode_handle **remote,
1422 struct fwnode_handle **port,
1423 struct fwnode_handle **endpoint)
1428 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1429 static const void * __acpi_table_##name[] \
1430 __attribute__((unused)) \
1431 = { (void *) table_id, \
1432 (void *) subtable, \
1437 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1440 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1441 void acpi_table_upgrade(void);
1443 static inline void acpi_table_upgrade(void) { }
1446 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1447 extern bool acpi_has_watchdog(void);
1449 static inline bool acpi_has_watchdog(void) { return false; }
1452 #ifdef CONFIG_ACPI_SPCR_TABLE
1453 extern bool qdf2400_e44_present;
1454 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1456 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1462 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1463 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1466 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1472 #ifdef CONFIG_ACPI_LPIT
1473 int lpit_read_residency_count_address(u64 *address);
1475 static inline int lpit_read_residency_count_address(u64 *address)
1481 #ifdef CONFIG_ACPI_PPTT
1482 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1483 int find_acpi_cpu_topology(unsigned int cpu, int level);
1484 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1485 int find_acpi_cpu_topology_package(unsigned int cpu);
1486 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1488 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1492 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1496 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1500 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1504 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1510 #ifdef CONFIG_ACPI_PCC
1511 void acpi_init_pcc(void);
1513 static inline void acpi_init_pcc(void) { }
1516 #ifdef CONFIG_ACPI_FFH
1517 void acpi_init_ffh(void);
1518 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1519 void **region_ctxt);
1520 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1521 void *region_context);
1523 static inline void acpi_init_ffh(void) { }
1527 extern void acpi_device_notify(struct device *dev);
1528 extern void acpi_device_notify_remove(struct device *dev);
1530 static inline void acpi_device_notify(struct device *dev) { }
1531 static inline void acpi_device_notify_remove(struct device *dev) { }
1534 #endif /*_LINUX_ACPI_H*/