1. 根目录:
2. drivers
3. acpi
4. acpica
5. utxferror.c

/*******************************************************************************
 *
 * Module Name: utxferror - Various error/warning output functions
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2013, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#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.
 */
/*******************************************************************************
 *
 * 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 to be formatted
 *              format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print "ACPI Exception" message with module/line/version info
 *              and 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;
	acpi_os_printf(ACPI_MSG_EXCEPTION "%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;
}

ACPI_EXPORT_SYMBOL(acpi_exception)

/*******************************************************************************
 *
 * FUNCTION:    acpi_warning
 *
 * 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 Warning" message with module/line/version info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_WARNING);

	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_warning)

/*******************************************************************************
 *
 * FUNCTION:    acpi_info
 *
 * 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 generic "ACPI:" information message. There is no
 *              module/line/version info in order to keep the message simple.
 *
 * TBD: module_name and line_number args are not needed, should be removed.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_info(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_INFO);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	acpi_os_printf("\n");
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_info)

/*******************************************************************************
 *
 * FUNCTION:    acpi_bios_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 Firmware Error" message with module/line/version
 *              info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_bios_error(const char *module_name,
		u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_BIOS_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_bios_error)

/*******************************************************************************
 *
 * FUNCTION:    acpi_bios_warning
 *
 * 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 Firmware Warning" message with module/line/version
 *              info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_bios_warning(const char *module_name,
		  u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_BIOS_WARNING);

	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_bios_warning)