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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These * interfaces must be implemented by OSL to interface the * ACPI components to the host operating system. * * Copyright (C) 2000 - 2023, Intel Corp. * *****************************************************************************/ #ifndef __ACPIOSXF_H__ #define __ACPIOSXF_H__ #include <acpi/platform/acenv.h> #include <acpi/actypes.h> /* Types for acpi_os_execute */ typedef enum { OSL_GLOBAL_LOCK_HANDLER, OSL_NOTIFY_HANDLER, OSL_GPE_HANDLER, OSL_DEBUGGER_MAIN_THREAD, OSL_DEBUGGER_EXEC_THREAD, OSL_EC_POLL_HANDLER, OSL_EC_BURST_HANDLER } acpi_execute_type; #define ACPI_NO_UNIT_LIMIT ((u32) -1) #define ACPI_MUTEX_SEM 1 /* Functions for acpi_os_signal */ #define ACPI_SIGNAL_FATAL 0 #define ACPI_SIGNAL_BREAKPOINT 1 struct acpi_signal_fatal_info { u32 type; u32 code; u32 argument; }; /* * OSL Initialization and shutdown primitives */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize acpi_status acpi_os_initialize(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate acpi_status acpi_os_terminate(void); #endif /* * ACPI Table interfaces */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_root_pointer acpi_physical_address acpi_os_get_root_pointer(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override acpi_status acpi_os_predefined_override(const struct acpi_predefined_names *init_val, acpi_string *new_val); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override acpi_status acpi_os_table_override(struct acpi_table_header *existing_table, struct acpi_table_header **new_table); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override acpi_status acpi_os_physical_table_override(struct acpi_table_header *existing_table, acpi_physical_address *new_address, u32 *new_table_length); #endif /* * Spinlock primitives */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock acpi_status acpi_os_create_lock(acpi_spinlock * out_handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock void acpi_os_delete_lock(acpi_spinlock handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags); #endif /* * RAW spinlock primitives. If the OS does not provide them, fallback to * spinlock primitives */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock # define acpi_os_create_raw_lock(out_handle) acpi_os_create_lock(out_handle) #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock # define acpi_os_delete_raw_lock(handle) acpi_os_delete_lock(handle) #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock # define acpi_os_acquire_raw_lock(handle) acpi_os_acquire_lock(handle) #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock # define acpi_os_release_raw_lock(handle, flags) \ acpi_os_release_lock(handle, flags) #endif /* * Semaphore primitives */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore acpi_status acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_semaphore * out_handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore acpi_status acpi_os_delete_semaphore(acpi_semaphore handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore acpi_status acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units); #endif /* * Mutex primitives. May be configured to use semaphores instead via * ACPI_MUTEX_TYPE (see platform/acenv.h) */ #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE) #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex acpi_status acpi_os_create_mutex(acpi_mutex * out_handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex void acpi_os_delete_mutex(acpi_mutex handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex void acpi_os_release_mutex(acpi_mutex handle); #endif #endif /* * Memory allocation and mapping */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate void *acpi_os_allocate(acpi_size size); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed void *acpi_os_allocate_zeroed(acpi_size size); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free void acpi_os_free(void *memory); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory void *acpi_os_map_memory(acpi_physical_address where, acpi_size length); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory void acpi_os_unmap_memory(void *logical_address, acpi_size size); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address acpi_status acpi_os_get_physical_address(void *logical_address, acpi_physical_address *physical_address); #endif /* * Memory/Object Cache */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache acpi_status acpi_os_create_cache(char *cache_name, u16 object_size, u16 max_depth, acpi_cache_t ** return_cache); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache acpi_status acpi_os_delete_cache(acpi_cache_t * cache); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache acpi_status acpi_os_purge_cache(acpi_cache_t * cache); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object void *acpi_os_acquire_object(acpi_cache_t * cache); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object); #endif /* * Interrupt handlers */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler acpi_status acpi_os_install_interrupt_handler(u32 interrupt_number, acpi_osd_handler service_routine, void *context); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler acpi_status acpi_os_remove_interrupt_handler(u32 interrupt_number, acpi_osd_handler service_routine); #endif /* * Threads and Scheduling */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id acpi_thread_id acpi_os_get_thread_id(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute acpi_status acpi_os_execute(acpi_execute_type type, acpi_osd_exec_callback function, void *context); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete void acpi_os_wait_events_complete(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep void acpi_os_sleep(u64 milliseconds); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall void acpi_os_stall(u32 microseconds); #endif /* * Platform and hardware-independent I/O interfaces */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width); #endif /* * Platform and hardware-independent physical memory interfaces */ int acpi_os_read_iomem(void __iomem *virt_addr, u64 *value, u32 width); #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory acpi_status acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory acpi_status acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width); #endif /* * Platform and hardware-independent PCI configuration space access * Note: Can't use "Register" as a parameter, changed to "Reg" -- * certain compilers complain. */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration acpi_status acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id, u32 reg, u64 *value, u32 width); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration acpi_status acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id, u32 reg, u64 value, u32 width); #endif /* * Miscellaneous */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable u8 acpi_os_readable(void *pointer, acpi_size length); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable u8 acpi_os_writable(void *pointer, acpi_size length); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer u64 acpi_os_get_timer(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal acpi_status acpi_os_signal(u32 function, void *info); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_enter_sleep acpi_status acpi_os_enter_sleep(u8 sleep_state, u32 rega_value, u32 regb_value); #endif /* * Debug print routines */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf ACPI_PRINTF_LIKE(1) void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf void acpi_os_vprintf(const char *format, va_list args); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output void acpi_os_redirect_output(void *destination); #endif /* * Debug IO */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger acpi_status acpi_os_initialize_debugger(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger void acpi_os_terminate_debugger(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_command_ready acpi_status acpi_os_wait_command_ready(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_notify_command_complete acpi_status acpi_os_notify_command_complete(void); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_trace_point void acpi_os_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname); #endif /* * Obtain ACPI table(s) */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name acpi_status acpi_os_get_table_by_name(char *signature, u32 instance, struct acpi_table_header **table, acpi_physical_address *address); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index acpi_status acpi_os_get_table_by_index(u32 index, struct acpi_table_header **table, u32 *instance, acpi_physical_address *address); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address acpi_status acpi_os_get_table_by_address(acpi_physical_address address, struct acpi_table_header **table); #endif /* * Directory manipulation */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory void *acpi_os_open_directory(char *pathname, char *wildcard_spec, char requested_file_type); #endif /* requeste_file_type values */ #define REQUEST_FILE_ONLY 0 #define REQUEST_DIR_ONLY 1 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename char *acpi_os_get_next_filename(void *dir_handle); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory void acpi_os_close_directory(void *dir_handle); #endif #endif /* __ACPIOSXF_H__ */