linux/drivers/acpi/acpica/utdecode.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: utdecode - Utility decoding routines (value-to-string)
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "amlcode.h"

#define _COMPONENT …
ACPI_MODULE_NAME("utdecode")

/*
 * Properties of the ACPI Object Types, both internal and external.
 * The table is indexed by values of acpi_object_type
 */
const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES] = …;

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_region_name
 *
 * PARAMETERS:  Space ID            - ID for the region
 *
 * RETURN:      Decoded region space_id name
 *
 * DESCRIPTION: Translate a Space ID into a name string (Debug only)
 *
 ******************************************************************************/

/* Region type decoding */

const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = …;

const char *acpi_ut_get_region_name(u8 space_id)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_event_name
 *
 * PARAMETERS:  event_id            - Fixed event ID
 *
 * RETURN:      Decoded event ID name
 *
 * DESCRIPTION: Translate a Event ID into a name string (Debug only)
 *
 ******************************************************************************/

/* Event type decoding */

static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = …;

const char *acpi_ut_get_event_name(u32 event_id)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_type_name
 *
 * PARAMETERS:  type                - An ACPI object type
 *
 * RETURN:      Decoded ACPI object type name
 *
 * DESCRIPTION: Translate a Type ID into a name string (Debug only)
 *
 ******************************************************************************/

/*
 * Elements of acpi_gbl_ns_type_names below must match
 * one-to-one with values of acpi_object_type
 *
 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
 * when stored in a table it really means that we have thus far seen no
 * evidence to indicate what type is actually going to be stored for this
 & entry.
 */
static const char acpi_gbl_bad_type[] = …;

/* Printable names of the ACPI object types */

static const char *acpi_gbl_ns_type_names[] = …;

const char *acpi_ut_get_type_name(acpi_object_type type)
{ … }

const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_node_name
 *
 * PARAMETERS:  object               - A namespace node
 *
 * RETURN:      ASCII name of the node
 *
 * DESCRIPTION: Validate the node and return the node's ACPI name.
 *
 ******************************************************************************/

const char *acpi_ut_get_node_name(void *object)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_descriptor_name
 *
 * PARAMETERS:  object               - An ACPI object
 *
 * RETURN:      Decoded name of the descriptor type
 *
 * DESCRIPTION: Validate object and return the descriptor type
 *
 ******************************************************************************/

/* Printable names of object descriptor types */

static const char *acpi_gbl_desc_type_names[] = …;

const char *acpi_ut_get_descriptor_name(void *object)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_reference_name
 *
 * PARAMETERS:  object               - An ACPI reference object
 *
 * RETURN:      Decoded name of the type of reference
 *
 * DESCRIPTION: Decode a reference object sub-type to a string.
 *
 ******************************************************************************/

/* Printable names of reference object sub-types */

static const char *acpi_gbl_ref_class_names[] = …;

const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_mutex_name
 *
 * PARAMETERS:  mutex_id        - The predefined ID for this mutex.
 *
 * RETURN:      Decoded name of the internal mutex
 *
 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
 *
 ******************************************************************************/

/* Names for internal mutex objects, used for debug output */

static const char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = …;

const char *acpi_ut_get_mutex_name(u32 mutex_id)
{ … }

#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)

/*
 * Strings and procedures used for debug only
 */

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_notify_name
 *
 * PARAMETERS:  notify_value    - Value from the Notify() request
 *
 * RETURN:      Decoded name for the notify value
 *
 * DESCRIPTION: Translate a Notify Value to a notify namestring.
 *
 ******************************************************************************/

/* Names for Notify() values, used for debug output */

static const char *acpi_gbl_generic_notify[ACPI_GENERIC_NOTIFY_MAX + 1] = …;

static const char *acpi_gbl_device_notify[5] = …;

static const char *acpi_gbl_processor_notify[5] = …;

static const char *acpi_gbl_thermal_notify[5] = …;

const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_get_argument_type_name
 *
 * PARAMETERS:  arg_type            - an ARGP_* parser argument type
 *
 * RETURN:      Decoded ARGP_* type
 *
 * DESCRIPTION: Decode an ARGP_* parser type, as defined in the amlcode.h file,
 *              and used in the acopcode.h file. For example, ARGP_TERMARG.
 *              Used for debug only.
 *
 ******************************************************************************/

static const char *acpi_gbl_argument_type[20] = …;

const char *acpi_ut_get_argument_type_name(u32 arg_type)
{ … }

#endif

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_valid_object_type
 *
 * PARAMETERS:  type            - Object type to be validated
 *
 * RETURN:      TRUE if valid object type, FALSE otherwise
 *
 * DESCRIPTION: Validate an object type
 *
 ******************************************************************************/

u8 acpi_ut_valid_object_type(acpi_object_type type)
{ … }