/* SPDX-License-Identifier: GPL-2.0-or-later *//* * acpi.h - ACPI Interface * * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> */ #ifndef _LINUX_ACPI_H#define _LINUX_ACPI_H #include <linux/cleanup.h>#include <linux/errno.h>#include <linux/ioport.h> /* for struct resource */#include <linux/resource_ext.h>#include <linux/device.h>#include <linux/device-id/acpi.h>#include <linux/property.h>#include <linux/uuid.h>#include <linux/node.h> struct irq_domain;struct irq_domain_ops; #ifndef _LINUX#define _LINUX#endif#include <acpi/acpi.h>#include <acpi/acpi_numa.h> #ifdef CONFIG_ACPI #include <linux/list.h>#include <linux/dynamic_debug.h>#include <linux/module.h>#include <linux/mutex.h>#include <linux/fw_table.h> #include <acpi/acpi_bus.h>#include <acpi/acpi_drivers.h>#include <acpi/acpi_io.h>#include <asm/acpi.h> #ifdef CONFIG_ACPI_TABLE_LIB#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")#define __init_or_acpilib#define __initdata_or_acpilib#else#define EXPORT_SYMBOL_ACPI_LIB(x)#define __init_or_acpilib __init#define __initdata_or_acpilib __initdata#endif static inline acpi_handle acpi_device_handle(struct acpi_device *adev){ return adev ? adev->handle : NULL;} #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ acpi_fwnode_handle(adev) : NULL)#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))#define ACPI_HANDLE_FWNODE(fwnode) \ acpi_device_handle(to_acpi_device_node(fwnode)) static inline struct fwnode_handle *acpi_alloc_fwnode_static(void){ struct fwnode_handle *fwnode; fwnode = kzalloc_obj(struct fwnode_handle); if (!fwnode) return NULL; fwnode_init(fwnode, &acpi_static_fwnode_ops); return fwnode;} static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode){ if (WARN_ON(!is_acpi_static_node(fwnode))) return; kfree(fwnode);} static inline bool has_acpi_companion(struct device *dev){ return is_acpi_device_node(dev->fwnode);} static inline void acpi_preset_companion(struct device *dev, struct acpi_device *parent, u64 addr){ ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));} static inline const char *acpi_dev_name(struct acpi_device *adev){ return dev_name(&adev->dev);} struct device *acpi_get_first_physical_node(struct acpi_device *adev); enum acpi_irq_model_id { ACPI_IRQ_MODEL_PIC = 0, ACPI_IRQ_MODEL_IOAPIC, ACPI_IRQ_MODEL_IOSAPIC, ACPI_IRQ_MODEL_PLATFORM, ACPI_IRQ_MODEL_GIC, ACPI_IRQ_MODEL_GIC_V5, ACPI_IRQ_MODEL_LPIC, ACPI_IRQ_MODEL_RINTC, ACPI_IRQ_MODEL_COUNT}; extern enum acpi_irq_model_id acpi_irq_model; enum acpi_interrupt_id { ACPI_INTERRUPT_PMI = 1, ACPI_INTERRUPT_INIT, ACPI_INTERRUPT_CPEI, ACPI_INTERRUPT_COUNT}; #define ACPI_SPACE_MEM 0 enum acpi_address_range_id { ACPI_ADDRESS_RANGE_MEMORY = 1, ACPI_ADDRESS_RANGE_RESERVED = 2, ACPI_ADDRESS_RANGE_ACPI = 3, ACPI_ADDRESS_RANGE_NVS = 4, ACPI_ADDRESS_RANGE_COUNT}; /* Table Handlers */typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); /* Debugger support */ struct acpi_debugger_ops { int (*create_thread)(acpi_osd_exec_callback function, void *context); ssize_t (*write_log)(const char *msg); ssize_t (*read_cmd)(char *buffer, size_t length); int (*wait_command_ready)(bool single_step, char *buffer, size_t length); int (*notify_command_complete)(void);}; struct acpi_debugger { const struct acpi_debugger_ops *ops; struct module *owner; struct mutex lock;}; #ifdef CONFIG_ACPI_DEBUGGERint __init acpi_debugger_init(void);int acpi_register_debugger(struct module *owner, const struct acpi_debugger_ops *ops);void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);ssize_t acpi_debugger_write_log(const char *msg);ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);int acpi_debugger_wait_command_ready(void);int acpi_debugger_notify_command_complete(void);#elsestatic inline int acpi_debugger_init(void){ return -ENODEV;} static inline int acpi_register_debugger(struct module *owner, const struct acpi_debugger_ops *ops){ return -ENODEV;} static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops){} static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context){ return -ENODEV;} static inline int acpi_debugger_write_log(const char *msg){ return -ENODEV;} static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length){ return -ENODEV;} static inline int acpi_debugger_wait_command_ready(void){ return -ENODEV;} static inline int acpi_debugger_notify_command_complete(void){ return -ENODEV;}#endif #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);void __acpi_unmap_table(void __iomem *map, unsigned long size);int early_acpi_boot_init(void);int acpi_boot_init (void);void acpi_boot_table_prepare (void);void acpi_boot_table_init (void);int acpi_mps_check (void);int acpi_numa_init (void); int acpi_locate_initial_tables (void);void acpi_reserve_initial_tables (void);void acpi_table_init_complete (void);int acpi_table_init (void); static inline struct acpi_table_header *acpi_get_table_pointer(char *signature, u32 instance){ struct acpi_table_header *table; int status = acpi_get_table(signature, instance, &table); if (ACPI_FAILURE(status)) return ERR_PTR(-ENOENT); return table;}DEFINE_FREE(acpi_put_table, struct acpi_table_header *, if (!IS_ERR_OR_NULL(_T)) acpi_put_table(_T)) int acpi_table_parse(char *id, acpi_tbl_table_handler handler);int __init_or_acpilib acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_tbl_entry_handler handler, unsigned int max_entries);int __init_or_acpilib acpi_table_parse_entries_array(char *id, unsigned long table_size, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries);int acpi_table_parse_madt(enum acpi_madt_type id, acpi_tbl_entry_handler handler, unsigned int max_entries);int __init_or_acpilibacpi_table_parse_cedt(enum acpi_cedt_type id, acpi_tbl_entry_handler_arg handler_arg, void *arg); int acpi_parse_mcfg (struct acpi_table_header *header);void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);#elsestatic inline voidacpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }#endif void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)void acpi_arch_dma_setup(struct device *dev);#elsestatic inline void acpi_arch_dma_setup(struct device *dev) { }#endif #ifdef CONFIG_ARM64void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);#elsestatic inline voidacpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }#endif #ifdef CONFIG_RISCVvoid acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);#elsestatic inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }#endif #ifndef PHYS_CPUID_INVALIDtypedef u32 phys_cpuid_t;#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)#endif static inline bool invalid_logical_cpuid(u32 cpuid){ return (int)cpuid < 0;} static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id){ return phys_id == PHYS_CPUID_INVALID;} int __init acpi_get_madt_revision(void); /* Validate the processor object's proc_id */bool acpi_duplicate_processor_id(int proc_id);/* Processor _CTS control */struct acpi_processor_power; #ifdef CONFIG_ACPI_PROCESSOR_CSTATEbool acpi_processor_claim_cst_control(void);int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, struct acpi_processor_power *info);#elsestatic inline bool acpi_processor_claim_cst_control(void) { return false; }static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, struct acpi_processor_power *info){ return -ENODEV;}#endif #ifdef CONFIG_ACPI_HOTPLUG_CPU/* Arch dependent functions for cpu hotplug support */int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, int *pcpu);int acpi_unmap_cpu(int cpu);#endif /* CONFIG_ACPI_HOTPLUG_CPU */ acpi_handle acpi_get_processor_handle(int cpu); /** * acpi_get_cpu_uid() - Get ACPI Processor UID of from MADT table * @cpu: Logical CPU number (0-based) * @uid: Pointer to store ACPI Processor UID * * Return: 0 on success (ACPI Processor ID stored in *uid); * -EINVAL if CPU number is invalid or out of range; * -ENODEV if ACPI Processor UID for the CPU is not found. */int acpi_get_cpu_uid(unsigned int cpu, u32 *uid); #ifdef CONFIG_ACPI_HOTPLUG_IOAPICint acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);#endif int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);void acpi_irq_stats_init(void);extern u32 acpi_irq_handled;extern u32 acpi_irq_not_handled;extern unsigned int acpi_sci_irq;extern bool acpi_no_s5;#define INVALID_ACPI_IRQ ((unsigned)-1)static inline bool acpi_sci_irq_valid(void){ return acpi_sci_irq != INVALID_ACPI_IRQ;} extern int sbf_port; int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32); void acpi_set_irq_model(enum acpi_irq_model_id model, acpi_gsi_domain_disp_fn fn);acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void);void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, unsigned int size, struct fwnode_handle *fwnode, const struct irq_domain_ops *ops, void *host_data); #ifdef CONFIG_X86_IO_APICextern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);#elsestatic inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity){ return -1;}#endif/* * This function undoes the effect of one call to acpi_register_gsi(). * If this matches the last registration, any IRQ resources for gsi * are freed. */void acpi_unregister_gsi (u32 gsi); struct pci_dev; struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);int acpi_pci_irq_enable (struct pci_dev *dev);void acpi_penalize_isa_irq(int irq, int active);bool acpi_isa_irq_available(int irq);#ifdef CONFIG_PCIvoid acpi_penalize_sci_irq(int irq, int trigger, int polarity);#elsestatic inline void acpi_penalize_sci_irq(int irq, int trigger, int polarity){}#endifvoid acpi_pci_irq_disable (struct pci_dev *dev); extern int ec_read(u8 addr, u8 *val);extern int ec_write(u8 addr, u8 val);extern int ec_transaction(u8 command, const u8 *wdata, unsigned wdata_len, u8 *rdata, unsigned rdata_len);extern acpi_handle ec_get_handle(void); extern bool acpi_is_pnp_device(struct acpi_device *); #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (union acpi_object *data, void *context); int wmi_instance_count(const char *guid); extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out);extern acpi_status wmi_query_block(const char *guid, u8 instance, struct acpi_buffer *out);extern acpi_status wmi_set_block(const char *guid, u8 instance, const struct acpi_buffer *in);extern acpi_status wmi_install_notify_handler(const char *guid, wmi_notify_handler handler, void *data);extern acpi_status wmi_remove_notify_handler(const char *guid);extern bool wmi_has_guid(const char *guid);extern char *wmi_get_acpi_device_uid(const char *guid); #endif /* CONFIG_ACPI_WMI */ #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001#define ACPI_VIDEO_DEVICE_POSTING 0x0002#define ACPI_VIDEO_ROM_AVAILABLE 0x0004#define ACPI_VIDEO_BACKLIGHT 0x0008#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 extern char acpi_video_backlight_string[];extern long acpi_is_video_device(acpi_handle handle); extern void acpi_osi_setup(char *str);extern bool acpi_osi_is_win8(void); #ifdef CONFIG_ACPI_THERMAL_LIBint thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);#endif #ifdef CONFIG_ACPI_HMATint acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);#elsestatic inline int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord){ return -EOPNOTSUPP;}#endif #ifdef CONFIG_ACPI_NUMAint acpi_map_pxm_to_node(int pxm);int acpi_get_node(acpi_handle handle); /** * pxm_to_online_node - Map proximity ID to online node * @pxm: ACPI proximity ID * * This is similar to pxm_to_node(), but always returns an online * node. When the mapped node from a given proximity ID is offline, it * looks up the node distance table and returns the nearest online node. * * ACPI device drivers, which are called after the NUMA initialization has * completed in the kernel, can call this interface to obtain their device * NUMA topology from ACPI tables. Such drivers do not have to deal with * offline nodes. A node may be offline when SRAT memory entry does not exist, * or NUMA is disabled, ex. "numa=off" on x86. */static inline int pxm_to_online_node(int pxm){ int node = pxm_to_node(pxm); return numa_map_to_online_node(node);}#elsestatic inline int pxm_to_online_node(int pxm){ return 0;Lines 1–500 of 1659. Load more
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * acpi.h - ACPI Interface * * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> */ #ifndef _LINUX_ACPI_H #define _LINUX_ACPI_H #include <linux/cleanup.h> #include <linux/errno.h> #include <linux/ioport.h> /* for struct resource */ #include <linux/resource_ext.h> #include <linux/device.h> #include <linux/device-id/acpi.h> #include <linux/property.h> #include <linux/uuid.h> #include <linux/node.h> struct irq_domain; struct irq_domain_ops; #ifndef _LINUX #define _LINUX #endif #include <acpi/acpi.h> #include <acpi/acpi_numa.h> #ifdef CONFIG_ACPI #include <linux/list.h> #include <linux/dynamic_debug.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/fw_table.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include <acpi/acpi_io.h> #include <asm/acpi.h> #ifdef CONFIG_ACPI_TABLE_LIB #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI") #define __init_or_acpilib #define __initdata_or_acpilib #else #define EXPORT_SYMBOL_ACPI_LIB(x) #define __init_or_acpilib __init #define __initdata_or_acpilib __initdata #endif static inline acpi_handle acpi_device_handle(struct acpi_device *adev) { return adev ? adev->handle : NULL; } #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ acpi_fwnode_handle(adev) : NULL) #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) #define ACPI_HANDLE_FWNODE(fwnode) \ acpi_device_handle(to_acpi_device_node(fwnode)) static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) { struct fwnode_handle *fwnode; fwnode = kzalloc_obj(struct fwnode_handle); if (!fwnode) return NULL; fwnode_init(fwnode, &acpi_static_fwnode_ops); return fwnode; } static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) { if (WARN_ON(!is_acpi_static_node(fwnode))) return; kfree(fwnode); } static inline bool has_acpi_companion(struct device *dev) { return is_acpi_device_node(dev->fwnode); } static inline void acpi_preset_companion(struct device *dev, struct acpi_device *parent, u64 addr) { ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); } static inline const char *acpi_dev_name(struct acpi_device *adev) { return dev_name(&adev->dev); } struct device *acpi_get_first_physical_node(struct acpi_device *adev); enum acpi_irq_model_id { ACPI_IRQ_MODEL_PIC = 0, ACPI_IRQ_MODEL_IOAPIC, ACPI_IRQ_MODEL_IOSAPIC, ACPI_IRQ_MODEL_PLATFORM, ACPI_IRQ_MODEL_GIC, ACPI_IRQ_MODEL_GIC_V5, ACPI_IRQ_MODEL_LPIC, ACPI_IRQ_MODEL_RINTC, ACPI_IRQ_MODEL_COUNT }; extern enum acpi_irq_model_id acpi_irq_model; enum acpi_interrupt_id { ACPI_INTERRUPT_PMI = 1, ACPI_INTERRUPT_INIT, ACPI_INTERRUPT_CPEI, ACPI_INTERRUPT_COUNT }; #define ACPI_SPACE_MEM 0 enum acpi_address_range_id { ACPI_ADDRESS_RANGE_MEMORY = 1, ACPI_ADDRESS_RANGE_RESERVED = 2, ACPI_ADDRESS_RANGE_ACPI = 3, ACPI_ADDRESS_RANGE_NVS = 4, ACPI_ADDRESS_RANGE_COUNT }; /* Table Handlers */ typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); /* Debugger support */ struct acpi_debugger_ops { int (*create_thread)(acpi_osd_exec_callback function, void *context); ssize_t (*write_log)(const char *msg); ssize_t (*read_cmd)(char *buffer, size_t length); int (*wait_command_ready)(bool single_step, char *buffer, size_t length); int (*notify_command_complete)(void); }; struct acpi_debugger { const struct acpi_debugger_ops *ops; struct module *owner; struct mutex lock; }; #ifdef CONFIG_ACPI_DEBUGGER int __init acpi_debugger_init(void); int acpi_register_debugger(struct module *owner, const struct acpi_debugger_ops *ops); void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); ssize_t acpi_debugger_write_log(const char *msg); ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); int acpi_debugger_wait_command_ready(void); int acpi_debugger_notify_command_complete(void); #else static inline int acpi_debugger_init(void) { return -ENODEV; } static inline int acpi_register_debugger(struct module *owner, const struct acpi_debugger_ops *ops) { return -ENODEV; } static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) { } static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context) { return -ENODEV; } static inline int acpi_debugger_write_log(const char *msg) { return -ENODEV; } static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) { return -ENODEV; } static inline int acpi_debugger_wait_command_ready(void) { return -ENODEV; } static inline int acpi_debugger_notify_command_complete(void) { return -ENODEV; } #endif #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); void __acpi_unmap_table(void __iomem *map, unsigned long size); int early_acpi_boot_init(void); int acpi_boot_init (void); void acpi_boot_table_prepare (void); void acpi_boot_table_init (void); int acpi_mps_check (void); int acpi_numa_init (void); int acpi_locate_initial_tables (void); void acpi_reserve_initial_tables (void); void acpi_table_init_complete (void); int acpi_table_init (void); static inline struct acpi_table_header *acpi_get_table_pointer(char *signature, u32 instance) { struct acpi_table_header *table; int status = acpi_get_table(signature, instance, &table); if (ACPI_FAILURE(status)) return ERR_PTR(-ENOENT); return table; } DEFINE_FREE(acpi_put_table, struct acpi_table_header *, if (!IS_ERR_OR_NULL(_T)) acpi_put_table(_T)) int acpi_table_parse(char *id, acpi_tbl_table_handler handler); int __init_or_acpilib acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_tbl_entry_handler handler, unsigned int max_entries); int __init_or_acpilib acpi_table_parse_entries_array(char *id, unsigned long table_size, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries); int acpi_table_parse_madt(enum acpi_madt_type id, acpi_tbl_entry_handler handler, unsigned int max_entries); int __init_or_acpilib acpi_table_parse_cedt(enum acpi_cedt_type id, acpi_tbl_entry_handler_arg handler_arg, void *arg); int acpi_parse_mcfg (struct acpi_table_header *header); void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); #else static inline void acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } #endif void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) void acpi_arch_dma_setup(struct device *dev); #else static inline void acpi_arch_dma_setup(struct device *dev) { } #endif #ifdef CONFIG_ARM64 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); #else static inline void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } #endif #ifdef CONFIG_RISCV void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); #else static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } #endif #ifndef PHYS_CPUID_INVALID typedef u32 phys_cpuid_t; #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) #endif static inline bool invalid_logical_cpuid(u32 cpuid) { return (int)cpuid < 0; } static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) { return phys_id == PHYS_CPUID_INVALID; } int __init acpi_get_madt_revision(void); /* Validate the processor object's proc_id */ bool acpi_duplicate_processor_id(int proc_id); /* Processor _CTS control */ struct acpi_processor_power; #ifdef CONFIG_ACPI_PROCESSOR_CSTATE bool acpi_processor_claim_cst_control(void); int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, struct acpi_processor_power *info); #else static inline bool acpi_processor_claim_cst_control(void) { return false; } static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, struct acpi_processor_power *info) { return -ENODEV; } #endif #ifdef CONFIG_ACPI_HOTPLUG_CPU /* Arch dependent functions for cpu hotplug support */ int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, int *pcpu); int acpi_unmap_cpu(int cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ acpi_handle acpi_get_processor_handle(int cpu); /** * acpi_get_cpu_uid() - Get ACPI Processor UID of from MADT table * @cpu: Logical CPU number (0-based) * @uid: Pointer to store ACPI Processor UID * * Return: 0 on success (ACPI Processor ID stored in *uid); * -EINVAL if CPU number is invalid or out of range; * -ENODEV if ACPI Processor UID for the CPU is not found. */ int acpi_get_cpu_uid(unsigned int cpu, u32 *uid); #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); #endif int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; extern u32 acpi_irq_not_handled; extern unsigned int acpi_sci_irq; extern bool acpi_no_s5; #define INVALID_ACPI_IRQ ((unsigned)-1) static inline bool acpi_sci_irq_valid(void) { return acpi_sci_irq != INVALID_ACPI_IRQ; } extern int sbf_port; int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32); void acpi_set_irq_model(enum acpi_irq_model_id model, acpi_gsi_domain_disp_fn fn); acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void); void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, unsigned int size, struct fwnode_handle *fwnode, const struct irq_domain_ops *ops, void *host_data); #ifdef CONFIG_X86_IO_APIC extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); #else static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) { return -1; } #endif /* * This function undoes the effect of one call to acpi_register_gsi(). * If this matches the last registration, any IRQ resources for gsi * are freed. */ void acpi_unregister_gsi (u32 gsi); struct pci_dev; struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin); int acpi_pci_irq_enable (struct pci_dev *dev); void acpi_penalize_isa_irq(int irq, int active); bool acpi_isa_irq_available(int irq); #ifdef CONFIG_PCI void acpi_penalize_sci_irq(int irq, int trigger, int polarity); #else static inline void acpi_penalize_sci_irq(int irq, int trigger, int polarity) { } #endif void acpi_pci_irq_disable (struct pci_dev *dev); extern int ec_read(u8 addr, u8 *val); extern int ec_write(u8 addr, u8 val); extern int ec_transaction(u8 command, const u8 *wdata, unsigned wdata_len, u8 *rdata, unsigned rdata_len); extern acpi_handle ec_get_handle(void); extern bool acpi_is_pnp_device(struct acpi_device *); #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (union acpi_object *data, void *context); int wmi_instance_count(const char *guid); extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out); extern acpi_status wmi_query_block(const char *guid, u8 instance, struct acpi_buffer *out); extern acpi_status wmi_set_block(const char *guid, u8 instance, const struct acpi_buffer *in); extern acpi_status wmi_install_notify_handler(const char *guid, wmi_notify_handler handler, void *data); extern acpi_status wmi_remove_notify_handler(const char *guid); extern bool wmi_has_guid(const char *guid); extern char *wmi_get_acpi_device_uid(const char *guid); #endif /* CONFIG_ACPI_WMI */ #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 #define ACPI_VIDEO_BACKLIGHT 0x0008 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 extern char acpi_video_backlight_string[]; extern long acpi_is_video_device(acpi_handle handle); extern void acpi_osi_setup(char *str); extern bool acpi_osi_is_win8(void); #ifdef CONFIG_ACPI_THERMAL_LIB int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); #endif #ifdef CONFIG_ACPI_HMAT int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); #else static inline int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord) { return -EOPNOTSUPP; } #endif #ifdef CONFIG_ACPI_NUMA int acpi_map_pxm_to_node(int pxm); int acpi_get_node(acpi_handle handle); /** * pxm_to_online_node - Map proximity ID to online node * @pxm: ACPI proximity ID * * This is similar to pxm_to_node(), but always returns an online * node. When the mapped node from a given proximity ID is offline, it * looks up the node distance table and returns the nearest online node. * * ACPI device drivers, which are called after the NUMA initialization has * completed in the kernel, can call this interface to obtain their device * NUMA topology from ACPI tables. Such drivers do not have to deal with * offline nodes. A node may be offline when SRAT memory entry does not exist, * or NUMA is disabled, ex. "numa=off" on x86. */ static inline int pxm_to_online_node(int pxm) { int node = pxm_to_node(pxm); return numa_map_to_online_node(node); } #else static inline int pxm_to_online_node(int pxm) { return 0;