1 ˆÃÅ „\ ÿ¿È-c/* 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 - 2025, Intel Corp. * *****************************************************************************/ #ifndef __ACPIOSXF_H__ #define __ACPIOSXF_H__ #include #include /* 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 (s