drivers/acpi/acpica/utxferror.c

Source file repositories/reference/linux-study-clean/drivers/acpi/acpica/utxferror.c

File Facts

System
Linux kernel
Corpus path
drivers/acpi/acpica/utxferror.c
Extension
.c
Size
7514 bytes
Lines
265
Domain
Driver Families
Bucket
drivers/acpi
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/*******************************************************************************
 *
 * Module Name: utxferror - Various error/warning output functions
 *
 ******************************************************************************/

#define EXPORT_ACPI_INTERFACES

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

#define _COMPONENT          ACPI_UTILITIES
ACPI_MODULE_NAME("utxferror")

/*
 * This module is used for the in-kernel ACPICA as well as the ACPICA
 * tools/applications.
 */
#ifndef ACPI_NO_ERROR_MESSAGES	/* Entire module */
/*******************************************************************************
 *
 * FUNCTION:    acpi_error
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print "ACPI Error" message with module/line/version info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_error(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_ERROR);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_error)

/*******************************************************************************
 *
 * FUNCTION:    acpi_exception
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              status              - Status value to be decoded/formatted
 *              format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print an "ACPI Error" message with module/line/version
 *              info as well as decoded acpi_status.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_exception(const char *module_name,
	       u32 line_number, acpi_status status, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;

	/* For AE_OK, just print the message */

	if (ACPI_SUCCESS(status)) {
		acpi_os_printf(ACPI_MSG_ERROR);

	} else {
		acpi_os_printf(ACPI_MSG_ERROR "%s, ",
			       acpi_format_exception(status));
	}

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;

Annotation

Implementation Notes