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