diff options
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 1399 |
1 files changed, 1221 insertions, 178 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 353ba256f368..fbf0c3a65f59 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1,54 +1,114 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * acpi.h - ACPI Interface * * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #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/mod_devicetable.h> +#include <linux/property.h> +#include <linux/uuid.h> +#include <linux/node.h> -#ifdef CONFIG_ACPI +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/mod_devicetable.h> +#include <linux/dynamic_debug.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/fw_table.h> -#include <acpi/acpi.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#include <acpi/acpi_numa.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(sizeof(struct fwnode_handle), GFP_KERNEL); + 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_LPIC, + ACPI_IRQ_MODEL_RINTC, ACPI_IRQ_MODEL_COUNT }; @@ -73,70 +133,240 @@ enum acpi_address_range_id { /* Table Handlers */ - typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); -typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, - const unsigned long end); +/* Debugger support */ -#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE -void acpi_initrd_override(void *data, size_t size); +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 void acpi_initrd_override(void *data, size_t size) +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 -char * __acpi_map_table (unsigned long phys_addr, unsigned long size); -void __acpi_unmap_table(char *map, unsigned long size); +#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 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(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); -/* the following four functions are architecture-dependent */ -void acpi_numa_slit_init (struct acpi_table_slit *slit); +#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); -int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); -void acpi_numa_arch_fixup(void); + +#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_lsapic(acpi_handle handle, int *pcpu); -int acpi_unmap_lsapic(int cpu); +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); + +#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; -extern unsigned long acpi_realmode_flags; 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 -#define acpi_get_override_irq(gsi, trigger, polarity) (-1) +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(). @@ -147,9 +377,18 @@ 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); @@ -159,9 +398,13 @@ extern int ec_transaction(u8 command, 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) (u32 value, void *context); +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, @@ -174,8 +417,8 @@ extern acpi_status wmi_set_block(const char *guid, u8 instance, 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 acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); extern bool wmi_has_guid(const char *guid); +extern char *wmi_get_acpi_device_uid(const char *guid); #endif /* CONFIG_ACPI_WMI */ @@ -192,66 +435,67 @@ extern bool wmi_has_guid(const char *guid); #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 -#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) - -extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); +extern char acpi_video_backlight_string[]; extern long acpi_is_video_device(acpi_handle handle); -extern void acpi_video_dmi_promote_vendor(void); -extern void acpi_video_dmi_demote_vendor(void); -extern int acpi_video_backlight_support(void); -extern int acpi_video_display_switch_support(void); -#else +extern void acpi_osi_setup(char *str); +extern bool acpi_osi_is_win8(void); -static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) -{ - return 0; -} +#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 -static inline long acpi_is_video_device(acpi_handle handle) +#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 0; + return -EOPNOTSUPP; } +#endif -static inline void acpi_video_dmi_promote_vendor(void) -{ -} +#ifdef CONFIG_ACPI_NUMA +int acpi_map_pxm_to_node(int pxm); +int acpi_get_node(acpi_handle handle); -static inline void acpi_video_dmi_demote_vendor(void) +/** + * 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); -static inline int acpi_video_backlight_support(void) -{ - return 0; + return numa_map_to_online_node(node); } - -static inline int acpi_video_display_switch_support(void) +#else +static inline int pxm_to_online_node(int pxm) { return 0; } - -#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ - -extern int acpi_blacklisted(void); -extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); -extern void acpi_osi_setup(char *str); - -#ifdef CONFIG_ACPI_NUMA -int acpi_get_pxm(acpi_handle handle); -int acpi_get_node(acpi_handle *handle); -#else -static inline int acpi_get_pxm(acpi_handle handle) +static inline int acpi_map_pxm_to_node(int pxm) { return 0; } -static inline int acpi_get_node(acpi_handle *handle) +static inline int acpi_get_node(acpi_handle handle) { return 0; } #endif -extern int acpi_paddr_to_node(u64 start_addr, u64 size); - extern int pnpacpi_disabled; #define PXM_INVAL (-1) @@ -259,22 +503,31 @@ extern int pnpacpi_disabled; bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); bool acpi_dev_resource_address_space(struct acpi_resource *ares, - struct resource *res); + struct resource_win *win); bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, - struct resource *res); -unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); + struct resource_win *win); +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); +unsigned int acpi_dev_get_irq_type(int triggering, int polarity); bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, struct resource *res); -struct resource_list_entry { - struct list_head node; - struct resource res; -}; - void acpi_dev_free_resource_list(struct list_head *list); int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, int (*preproc)(struct acpi_resource *, void *), void *preproc_data); +int acpi_dev_get_dma_resources(struct acpi_device *adev, + struct list_head *list); +int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); +int acpi_dev_filter_resource_type(struct acpi_resource *ares, + unsigned long types); + +static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, + void *arg) +{ + return acpi_dev_filter_resource_type(ares, (unsigned long)arg); +} + +struct acpi_device *acpi_resource_consumer(struct resource *res); int acpi_check_resource_conflict(const struct resource *res); @@ -284,71 +537,135 @@ int acpi_check_region(resource_size_t start, resource_size_t n, int acpi_resources_are_enforced(void); #ifdef CONFIG_HIBERNATION -void __init acpi_no_s4_hw_signature(void); +extern int acpi_check_s4_hw_signature; #endif #ifdef CONFIG_PM_SLEEP void __init acpi_old_suspend_ordering(void); void __init acpi_nvs_nosave(void); void __init acpi_nvs_nosave_s3(void); +void __init acpi_sleep_no_blacklist(void); #endif /* CONFIG_PM_SLEEP */ +int acpi_register_wakeup_handler( + int wake_irq, bool (*wakeup)(void *context), void *context); +void acpi_unregister_wakeup_handler( + bool (*wakeup)(void *context), void *context); + struct acpi_osc_context { - char *uuid_str; /* uuid string */ + char *uuid_str; /* UUID string */ int rev; - struct acpi_buffer cap; /* arg2/arg3 */ - struct acpi_buffer ret; /* free by caller if success */ + struct acpi_buffer cap; /* list of DWORD capabilities */ + struct acpi_buffer ret; /* free by caller if success */ }; -#define OSC_QUERY_TYPE 0 -#define OSC_SUPPORT_TYPE 1 -#define OSC_CONTROL_TYPE 2 - -/* _OSC DW0 Definition */ -#define OSC_QUERY_ENABLE 1 -#define OSC_REQUEST_ERROR 2 -#define OSC_INVALID_UUID_ERROR 4 -#define OSC_INVALID_REVISION_ERROR 8 -#define OSC_CAPABILITIES_MASK_ERROR 16 - acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); -/* platform-wide _OSC bits */ -#define OSC_SB_PAD_SUPPORT 1 -#define OSC_SB_PPC_OST_SUPPORT 2 -#define OSC_SB_PR3_SUPPORT 4 -#define OSC_SB_HOTPLUG_OST_SUPPORT 8 -#define OSC_SB_APEI_SUPPORT 16 +/* Number of _OSC capability DWORDS depends on bridge type */ +#define OSC_PCI_CAPABILITY_DWORDS 3 +#define OSC_CXL_CAPABILITY_DWORDS 5 + +/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ +#define OSC_QUERY_DWORD 0 /* DWORD 1 */ +#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ +#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ +#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ +#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ + +/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ +#define OSC_QUERY_ENABLE 0x00000001 /* input */ +#define OSC_REQUEST_ERROR 0x00000002 /* return */ +#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ +#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ +#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ + +/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ +#define OSC_SB_PAD_SUPPORT 0x00000001 +#define OSC_SB_PPC_OST_SUPPORT 0x00000002 +#define OSC_SB_PR3_SUPPORT 0x00000004 +#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 +#define OSC_SB_APEI_SUPPORT 0x00000010 +#define OSC_SB_CPC_SUPPORT 0x00000020 +#define OSC_SB_CPCV2_SUPPORT 0x00000040 +#define OSC_SB_PCLPI_SUPPORT 0x00000080 +#define OSC_SB_OSLPI_SUPPORT 0x00000100 +#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 +#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 +#define OSC_SB_GED_SUPPORT 0x00000800 +#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 +#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 +#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 +#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 +#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000 +#define OSC_SB_PRM_SUPPORT 0x00200000 +#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 extern bool osc_sb_apei_support_acked; +extern bool osc_pc_lpi_support_confirmed; +extern bool osc_sb_native_usb4_support_confirmed; +extern bool osc_sb_cppc2_support_acked; +extern bool osc_cpc_flexible_adr_space_confirmed; + +/* USB4 Capabilities */ +#define OSC_USB_USB3_TUNNELING 0x00000001 +#define OSC_USB_DP_TUNNELING 0x00000002 +#define OSC_USB_PCIE_TUNNELING 0x00000004 +#define OSC_USB_XDOMAIN 0x00000008 + +extern u32 osc_sb_native_usb4_control; + +/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ +#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 +#define OSC_PCI_ASPM_SUPPORT 0x00000002 +#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 +#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 +#define OSC_PCI_MSI_SUPPORT 0x00000010 +#define OSC_PCI_EDR_SUPPORT 0x00000080 +#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 + +/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ +#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 +#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 +#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 +#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 +#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 +#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 +#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 + +/* CXL _OSC: Capabilities DWORD 4: Support Field */ +#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 +#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 +#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 +#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 + +/* CXL _OSC: Capabilities DWORD 5: Control Field */ +#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 + +static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) +{ + u32 *ret = context->ret.pointer; + + return ret[OSC_CONTROL_DWORD]; +} + +static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) +{ + u32 *ret = context->ret.pointer; -/* PCI defined _OSC bits */ -/* _OSC DW1 Definition (OS Support Fields) */ -#define OSC_EXT_PCI_CONFIG_SUPPORT 1 -#define OSC_ACTIVE_STATE_PWR_SUPPORT 2 -#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 -#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 -#define OSC_MSI_SUPPORT 16 -#define OSC_PCI_SUPPORT_MASKS 0x1f - -/* _OSC DW1 Definition (OS Control Fields) */ -#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 -#define OSC_SHPC_NATIVE_HP_CONTROL 2 -#define OSC_PCI_EXPRESS_PME_CONTROL 4 -#define OSC_PCI_EXPRESS_AER_CONTROL 8 -#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 - -#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ - OSC_SHPC_NATIVE_HP_CONTROL | \ - OSC_PCI_EXPRESS_PME_CONTROL | \ - OSC_PCI_EXPRESS_AER_CONTROL | \ - OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) - -#define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ - OSC_SHPC_NATIVE_HP_CONTROL) - -extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, - u32 *mask, u32 req); + return ret[OSC_EXT_CONTROL_DWORD]; +} + +#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 +#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 +#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 +#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 +#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A +#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B +#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C +#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D +#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E +#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F /* Enable _OST when all relevant hotplug operations are enabled */ #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ @@ -385,29 +702,202 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 +enum acpi_predicate { + all_versions, + less_than_or_equal, + equal, + greater_than_or_equal, +}; + +/* Table must be terminted by a NULL entry */ +struct acpi_platform_list { + char oem_id[ACPI_OEM_ID_SIZE+1]; + char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; + u32 oem_revision; + char *table; + enum acpi_predicate pred; + char *reason; + u32 data; +}; +int acpi_match_platform_list(const struct acpi_platform_list *plat); + extern void acpi_early_init(void); +extern void acpi_subsystem_init(void); extern int acpi_nvs_register(__u64 start, __u64 size); extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), void *data); +const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, + const struct acpi_device *adev); + const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev); -static inline bool acpi_driver_match_device(struct device *dev, - const struct device_driver *drv) +const void *acpi_device_get_match_data(const struct device *dev); +extern bool acpi_driver_match_device(struct device *dev, + const struct device_driver *drv); +int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); +int acpi_device_modalias(struct device *, char *, int); + +struct platform_device *acpi_create_platform_device(struct acpi_device *, + const struct property_entry *); +#define ACPI_PTR(_ptr) (_ptr) + +static inline void acpi_device_set_enumerated(struct acpi_device *adev) { - return !!acpi_match_device(drv->acpi_match_table, dev); + adev->flags.visited = true; } -#define ACPI_PTR(_ptr) (_ptr) +static inline void acpi_device_clear_enumerated(struct acpi_device *adev) +{ + adev->flags.visited = false; +} + +enum acpi_reconfig_event { + ACPI_RECONFIG_DEVICE_ADD = 0, + ACPI_RECONFIG_DEVICE_REMOVE, +}; + +int acpi_reconfig_notifier_register(struct notifier_block *nb); +int acpi_reconfig_notifier_unregister(struct notifier_block *nb); + +#ifdef CONFIG_ACPI_GTDT +int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); +int acpi_gtdt_map_ppi(int type); +bool acpi_gtdt_c3stop(int type); +#endif + +#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER +static __always_inline void acpi_arch_set_root_pointer(u64 addr) +{ +} +#endif + +#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER +static __always_inline u64 acpi_arch_get_root_pointer(void) +{ + return 0; +} +#endif + +int acpi_get_local_u64_address(acpi_handle handle, u64 *addr); +int acpi_get_local_address(acpi_handle handle, u32 *addr); +const char *acpi_get_subsystem_id(acpi_handle handle); + +#ifdef CONFIG_ACPI_MRRM +int acpi_mrrm_max_mem_region(void); +#endif #else /* !CONFIG_ACPI */ #define acpi_disabled 1 +#define ACPI_COMPANION(dev) (NULL) +#define ACPI_COMPANION_SET(dev, adev) do { } while (0) +#define ACPI_HANDLE(dev) (NULL) +#define ACPI_HANDLE_FWNODE(fwnode) (NULL) + +/* Get rid of the -Wunused-variable for adev */ +#define acpi_dev_uid_match(adev, uid2) (adev && false) +#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) + +struct fwnode_handle; + +static inline bool acpi_dev_found(const char *hid) +{ + return false; +} + +static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) +{ + return false; +} + +struct acpi_device; + +static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + return -ENODEV; +} + +static inline struct acpi_device * +acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) +{ + return NULL; +} + +static inline bool acpi_reduced_hardware(void) +{ + return false; +} + +static inline void acpi_dev_put(struct acpi_device *adev) {} + +static inline bool is_acpi_node(const struct fwnode_handle *fwnode) +{ + return false; +} + +static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) +{ + return false; +} + +static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) +{ + return NULL; +} + +static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) +{ + return false; +} + +static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) +{ + return NULL; +} + +static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, + const char *name) +{ + return false; +} + +static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) +{ + return NULL; +} + +static inline acpi_handle acpi_device_handle(struct acpi_device *adev) +{ + return NULL; +} + +static inline bool has_acpi_companion(struct device *dev) +{ + return false; +} + +static inline void acpi_preset_companion(struct device *dev, + struct acpi_device *parent, u64 addr) +{ +} + +static inline const char *acpi_dev_name(struct acpi_device *adev) +{ + return NULL; +} + +static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) +{ + return NULL; +} + static inline void acpi_early_init(void) { } +static inline void acpi_subsystem_init(void) { } static inline int early_acpi_boot_init(void) { @@ -418,9 +908,12 @@ static inline int acpi_boot_init(void) return 0; } +static inline void acpi_boot_table_prepare(void) +{ +} + static inline void acpi_boot_table_init(void) { - return; } static inline int acpi_mps_check(void) @@ -443,7 +936,7 @@ struct acpi_table_header; static inline int acpi_table_parse(char *id, int (*handler)(struct acpi_table_header *)) { - return -1; + return -ENODEV; } static inline int acpi_nvs_register(__u64 start, __u64 size) @@ -459,91 +952,298 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), struct acpi_device_id; +static inline const struct acpi_device_id *acpi_match_acpi_device( + const struct acpi_device_id *ids, const struct acpi_device *adev) +{ + return NULL; +} + static inline const struct acpi_device_id *acpi_match_device( const struct acpi_device_id *ids, const struct device *dev) { return NULL; } +static inline const void *acpi_device_get_match_data(const struct device *dev) +{ + return NULL; +} + static inline bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv) { return false; } +static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, + u64 rev, u64 funcs) +{ + return false; +} + +static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, + const guid_t *guid, + u64 rev, u64 func, + union acpi_object *argv4) +{ + return NULL; +} + +static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, + const guid_t *guid, + u64 rev, u64 func, + union acpi_object *argv4, + acpi_object_type type) +{ + return NULL; +} + +static inline int acpi_device_uevent_modalias(const struct device *dev, + struct kobj_uevent_env *env) +{ + return -ENODEV; +} + +static inline int acpi_device_modalias(struct device *dev, + char *buf, int size) +{ + return -ENODEV; +} + +static inline struct platform_device * +acpi_create_platform_device(struct acpi_device *adev, + const struct property_entry *properties) +{ + return NULL; +} + +static inline bool acpi_dma_supported(const struct acpi_device *adev) +{ + return false; +} + +static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) +{ + return DEV_DMA_NOT_SUPPORTED; +} + +static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) +{ + return -ENODEV; +} + +static inline int acpi_dma_configure(struct device *dev, + enum dev_dma_attr attr) +{ + return 0; +} + +static inline int acpi_dma_configure_id(struct device *dev, + enum dev_dma_attr attr, + const u32 *input_id) +{ + return 0; +} + #define ACPI_PTR(_ptr) (NULL) +static inline void acpi_device_set_enumerated(struct acpi_device *adev) +{ +} + +static inline void acpi_device_clear_enumerated(struct acpi_device *adev) +{ +} + +static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) +{ + return -EINVAL; +} + +static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) +{ + return -EINVAL; +} + +static inline struct acpi_device *acpi_resource_consumer(struct resource *res) +{ + return NULL; +} + +static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) +{ + return -ENODEV; +} + +static inline const char *acpi_get_subsystem_id(acpi_handle handle) +{ + return ERR_PTR(-ENODEV); +} + +static inline int acpi_register_wakeup_handler(int wake_irq, + bool (*wakeup)(void *context), void *context) +{ + return -ENXIO; +} + +static inline void acpi_unregister_wakeup_handler( + bool (*wakeup)(void *context), void *context) { } + +struct acpi_osc_context; +static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) +{ + return 0; +} + +static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) +{ + return 0; +} + +static inline bool acpi_sleep_state_supported(u8 sleep_state) +{ + return false; +} + +static inline acpi_handle acpi_get_processor_handle(int cpu) +{ + return NULL; +} + +static inline int acpi_mrrm_max_mem_region(void) +{ + return 1; +} + #endif /* !CONFIG_ACPI */ +#ifdef CONFIG_ACPI_HMAT +int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid, + resource_size_t *size); +#else +static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res, + int nid, resource_size_t *size) +{ + return -EOPNOTSUPP; +} +#endif + +extern void arch_post_acpi_subsys_init(void); + +#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC +int acpi_ioapic_add(acpi_handle root); +#else +static inline int acpi_ioapic_add(acpi_handle root) { return 0; } +#endif + #ifdef CONFIG_ACPI void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, u32 pm1a_ctrl, u32 pm1b_ctrl)); acpi_status acpi_os_prepare_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control); -#ifdef CONFIG_X86 -void arch_reserve_mem_area(acpi_physical_address addr, size_t size); -#else -static inline void arch_reserve_mem_area(acpi_physical_address addr, - size_t size) + +void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, + u32 val_a, u32 val_b)); + +acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, + u32 val_a, u32 val_b); +struct acpi_s2idle_dev_ops { + struct list_head list_node; + void (*prepare)(void); + void (*check)(void); + void (*restore)(void); +}; +#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) +int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); +void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); +#else /* CONFIG_SUSPEND && CONFIG_X86 */ +static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg) +{ + return -ENODEV; +} +static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg) { } -#endif /* CONFIG_X86 */ +#endif /* CONFIG_SUSPEND && CONFIG_X86 */ +void arch_reserve_mem_area(acpi_physical_address addr, size_t size); #else #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) #endif -#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME) -int acpi_dev_runtime_suspend(struct device *dev); -int acpi_dev_runtime_resume(struct device *dev); +#if defined(CONFIG_ACPI) && defined(CONFIG_PM) +int acpi_dev_suspend(struct device *dev, bool wakeup); +int acpi_dev_resume(struct device *dev); int acpi_subsys_runtime_suspend(struct device *dev); int acpi_subsys_runtime_resume(struct device *dev); +int acpi_dev_pm_attach(struct device *dev, bool power_on); +bool acpi_storage_d3(struct device *dev); +bool acpi_dev_state_d0(struct device *dev); #else -static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } -static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } +static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) +{ + return 0; +} +static inline bool acpi_storage_d3(struct device *dev) +{ + return false; +} +static inline bool acpi_dev_state_d0(struct device *dev) +{ + return true; +} #endif #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) -int acpi_dev_suspend_late(struct device *dev); -int acpi_dev_resume_early(struct device *dev); int acpi_subsys_prepare(struct device *dev); +void acpi_subsys_complete(struct device *dev); int acpi_subsys_suspend_late(struct device *dev); -int acpi_subsys_resume_early(struct device *dev); +int acpi_subsys_suspend_noirq(struct device *dev); +int acpi_subsys_suspend(struct device *dev); +int acpi_subsys_freeze(struct device *dev); +int acpi_subsys_poweroff(struct device *dev); +int acpi_subsys_restore_early(struct device *dev); #else -static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } -static inline int acpi_dev_resume_early(struct device *dev) { return 0; } static inline int acpi_subsys_prepare(struct device *dev) { return 0; } +static inline void acpi_subsys_complete(struct device *dev) {} static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } -static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } +static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } +static inline int acpi_subsys_suspend(struct device *dev) { return 0; } +static inline int acpi_subsys_freeze(struct device *dev) { return 0; } +static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } +static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } #endif -#if defined(CONFIG_ACPI) && defined(CONFIG_PM) -struct acpi_device *acpi_dev_pm_get_node(struct device *dev); -int acpi_dev_pm_attach(struct device *dev, bool power_on); -void acpi_dev_pm_detach(struct device *dev, bool power_off); +#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP) +void acpi_ec_mark_gpe_for_wake(void); +void acpi_ec_set_gpe_wake_mask(u8 action); #else -static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) -{ - return NULL; -} -static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) -{ - return -ENODEV; -} -static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {} +static inline void acpi_ec_mark_gpe_for_wake(void) {} +static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} #endif #ifdef CONFIG_ACPI +char *acpi_handle_path(acpi_handle handle); __printf(3, 4) void acpi_handle_printk(const char *level, acpi_handle handle, const char *fmt, ...); +void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, + acpi_status status); #else /* !CONFIG_ACPI */ static inline __printf(3, 4) void acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} +static inline void acpi_evaluation_failure_warn(acpi_handle handle, + const char *name, + acpi_status status) {} #endif /* !CONFIG_ACPI */ +#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) +__printf(3, 4) +void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); +#endif + /* * acpi_handle_<level>: Print message with ACPI prefix and object path * @@ -565,11 +1265,15 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} #define acpi_handle_info(handle, fmt, ...) \ acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) -/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */ -#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) +#if defined(DEBUG) #define acpi_handle_debug(handle, fmt, ...) \ acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) #else +#if defined(CONFIG_DYNAMIC_DEBUG) +#define acpi_handle_debug(handle, fmt, ...) \ + _dynamic_func_call(fmt, __acpi_handle_debug, \ + handle, pr_fmt(fmt), ##__VA_ARGS__) +#else #define acpi_handle_debug(handle, fmt, ...) \ ({ \ if (0) \ @@ -577,5 +1281,344 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 0; \ }) #endif +#endif + +#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) +bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio); +bool acpi_gpio_get_io_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio); +int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, + bool *wake_capable); +#else +static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio) +{ + return false; +} +static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio) +{ + return false; +} +static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, + int index, bool *wake_capable) +{ + return -ENXIO; +} +#endif + +static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, + bool *wake_capable) +{ + return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); +} + +static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, + int index) +{ + return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); +} + +static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) +{ + return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); +} + +/* Device properties */ + +#ifdef CONFIG_ACPI +int acpi_dev_get_property(const struct acpi_device *adev, const char *name, + acpi_object_type type, const union acpi_object **obj); +int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, + const char *name, size_t index, size_t num_args, + struct fwnode_reference_args *args); + +static inline int acpi_node_get_property_reference( + const struct fwnode_handle *fwnode, + const char *name, size_t index, + struct fwnode_reference_args *args) +{ + return __acpi_node_get_property_reference(fwnode, name, index, + NR_FWNODE_REFERENCE_ARGS, args); +} + +static inline bool acpi_dev_has_props(const struct acpi_device *adev) +{ + return !list_empty(&adev->data.properties); +} + +struct acpi_device_properties * +acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, + union acpi_object *properties); + +int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, + void **valptr); + +struct acpi_probe_entry; +typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, + struct acpi_probe_entry *); + +#define ACPI_TABLE_ID_LEN 5 + +/** + * struct acpi_probe_entry - boot-time probing entry + * @id: ACPI table name + * @type: Optional subtable type to match + * (if @id contains subtables) + * @subtable_valid: Optional callback to check the validity of + * the subtable + * @probe_table: Callback to the driver being probed when table + * match is successful + * @probe_subtbl: Callback to the driver being probed when table and + * subtable match (and optional callback is successful) + * @driver_data: Sideband data provided back to the driver + */ +struct acpi_probe_entry { + __u8 id[ACPI_TABLE_ID_LEN]; + __u8 type; + acpi_probe_entry_validate_subtbl subtable_valid; + union { + acpi_tbl_table_handler probe_table; + acpi_tbl_entry_handler probe_subtbl; + }; + kernel_ulong_t driver_data; +}; + +void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr); + +#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ + valid, data, fn) \ + static const struct acpi_probe_entry __acpi_probe_##name \ + __used __section("__" #table "_acpi_probe_table") = { \ + .id = table_id, \ + .type = subtable, \ + .subtable_valid = valid, \ + .probe_table = fn, \ + .driver_data = data, \ + } + +#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ + subtable, valid, data, fn) \ + static const struct acpi_probe_entry __acpi_probe_##name \ + __used __section("__" #table "_acpi_probe_table") = { \ + .id = table_id, \ + .type = subtable, \ + .subtable_valid = valid, \ + .probe_subtbl = fn, \ + .driver_data = data, \ + } + +#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table +#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end + +int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); + +#define acpi_probe_device_table(t) \ + ({ \ + extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ + ACPI_PROBE_TABLE_END(t); \ + __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ + (&ACPI_PROBE_TABLE_END(t) - \ + &ACPI_PROBE_TABLE(t))); \ + }) +#else +static inline int acpi_dev_get_property(struct acpi_device *adev, + const char *name, acpi_object_type type, + const union acpi_object **obj) +{ + return -ENXIO; +} + +static inline int +__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, + const char *name, size_t index, size_t num_args, + struct fwnode_reference_args *args) +{ + return -ENXIO; +} + +static inline int +acpi_node_get_property_reference(const struct fwnode_handle *fwnode, + const char *name, size_t index, + struct fwnode_reference_args *args) +{ + return -ENXIO; +} + +static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, + const char *propname, + void **valptr) +{ + return -ENXIO; +} + +static inline struct fwnode_handle * +acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, + struct fwnode_handle *prev) +{ + return ERR_PTR(-ENXIO); +} + +static inline int +acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, + struct fwnode_handle **remote, + struct fwnode_handle **port, + struct fwnode_handle **endpoint) +{ + return -ENXIO; +} + +#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ + static const void * __acpi_table_##name[] \ + __attribute__((unused)) \ + = { (void *) table_id, \ + (void *) subtable, \ + (void *) valid, \ + (void *) fn, \ + (void *) data } + +#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) +#endif + +#ifdef CONFIG_ACPI_TABLE_UPGRADE +void acpi_table_upgrade(void); +#else +static inline void acpi_table_upgrade(void) { } +#endif + +#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) +extern bool acpi_has_watchdog(void); +#else +static inline bool acpi_has_watchdog(void) { return false; } +#endif + +#ifdef CONFIG_ACPI_SPCR_TABLE +extern bool qdf2400_e44_present; +int acpi_parse_spcr(bool enable_earlycon, bool enable_console); +#else +static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) +{ + return -ENODEV; +} +#endif + +#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) +int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); +const struct cpumask *acpi_irq_get_affinity(acpi_handle handle, + unsigned int index); +#else +static inline +int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) +{ + return -EINVAL; +} +static inline const struct cpumask *acpi_irq_get_affinity(acpi_handle handle, + unsigned int index) +{ + return NULL; +} +#endif + +#ifdef CONFIG_ACPI_LPIT +int lpit_read_residency_count_address(u64 *address); +#else +static inline int lpit_read_residency_count_address(u64 *address) +{ + return -EINVAL; +} +#endif + +#ifdef CONFIG_ACPI_PROCESSOR_IDLE +#ifndef arch_get_idle_state_flags +static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) +{ + return 0; +} +#endif +#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ + +#ifdef CONFIG_ACPI_PPTT +int acpi_pptt_cpu_is_thread(unsigned int cpu); +int find_acpi_cpu_topology(unsigned int cpu, int level); +int find_acpi_cpu_topology_cluster(unsigned int cpu); +int find_acpi_cpu_topology_package(unsigned int cpu); +int find_acpi_cpu_topology_hetero_id(unsigned int cpu); +void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id, cpumask_t *cpus); +int find_acpi_cache_level_from_id(u32 cache_id); +int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id, cpumask_t *cpus); +#else +static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_topology(unsigned int cpu, int level) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_topology_package(unsigned int cpu) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) +{ + return -EINVAL; +} +static inline void acpi_pptt_get_cpus_from_container(u32 acpi_cpu_id, + cpumask_t *cpus) { } +static inline int find_acpi_cache_level_from_id(u32 cache_id) +{ + return -ENOENT; +} +static inline int acpi_pptt_get_cpumask_from_cache_id(u32 cache_id, + cpumask_t *cpus) +{ + return -ENOENT; +} +#endif + +void acpi_arch_init(void); + +#ifdef CONFIG_ACPI_PCC +void acpi_init_pcc(void); +#else +static inline void acpi_init_pcc(void) { } +#endif + +#ifdef CONFIG_ACPI_FFH +void acpi_init_ffh(void); +extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, + void **region_ctxt); +extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, + void *region_context); +#else +static inline void acpi_init_ffh(void) { } +#endif + +#ifdef CONFIG_ACPI +extern void acpi_device_notify(struct device *dev); +extern void acpi_device_notify_remove(struct device *dev); +#else +static inline void acpi_device_notify(struct device *dev) { } +static inline void acpi_device_notify_remove(struct device *dev) { } +#endif + +static inline void acpi_use_parent_companion(struct device *dev) +{ + ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); +} + +#ifdef CONFIG_ACPI_NUMA +bool acpi_node_backed_by_real_pxm(int nid); +#else +static inline bool acpi_node_backed_by_real_pxm(int nid) +{ + return false; +} +#endif #endif /*_LINUX_ACPI_H*/ |
