utxferror.c

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

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
 * All rights reserved.
 *
 * 2. License
 *
 * 2.1. This is your license from Intel Corp. under its intellectual property
 * rights.  You may have additional license terms from the party that provided
 * you this software, covering your right to use that party's intellectual
 * property rights.
 *
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
 * copy of the source code appearing in this file ("Covered Code") an
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
 * base code distributed originally by Intel ("Original Intel Code") to copy,
 * make derivatives, distribute, use and display any portion of the Covered
 * Code in any form, with the right to sublicense such rights; and
 *
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
 * license (with the right to sublicense), under only those claims of Intel
 * patents that are infringed by the Original Intel Code, to make, use, sell,
 * offer to sell, and import the Covered Code and derivative works thereof
 * solely to the minimum extent necessary to exercise the above copyright
 * license, and in no event shall the patent license extend to any additions
 * to or modifications of the Original Intel Code.  No other license or right
 * is granted directly or by implication, estoppel or otherwise;
 *
 * The above copyright and patent license is granted only if the following
 * conditions are met:
 *
 * 3. Conditions
 *
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification with rights to further distribute source must include
 * the above Copyright Notice, the above License, this list of Conditions,
 * and the following Disclaimer and Export Compliance provision.  In addition,
 * Licensee must cause all Covered Code to which Licensee contributes to
 * contain a file documenting the changes Licensee made to create that Covered
 * Code and the date of any change.  Licensee must include in that file the
 * documentation of any changes made by any predecessor Licensee.  Licensee
 * must include a prominent statement that the modification is derived,
 * directly or indirectly, from Original Intel Code.
 *
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification without rights to further distribute source must
 * include the following Disclaimer and Export Compliance provision in the
 * documentation and/or other materials provided with distribution.  In
 * addition, Licensee may not authorize further sublicense of source of any
 * portion of the Covered Code, and must include terms to the effect that the
 * license from Licensee to its licensee is limited to the intellectual
 * property embodied in the software Licensee provides to its licensee, and
 * not to intellectual property embodied in modifications its licensee may
 * make.
 *
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
 * substantial portion of the Covered Code or modification must reproduce the
 * above Copyright Notice, and the following Disclaimer and Export Compliance
 * provision in the documentation and/or other materials provided with the
 * distribution.
 *
 * 3.4. Intel retains all right, title, and interest in and to the Original
 * Intel Code.
 *
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
 * Intel shall be used in advertising or otherwise to promote the sale, use or
 * other dealings in products derived from or relating to the Covered Code
 * without prior written authorization from Intel.
 *
 * 4. Disclaimer and Export Compliance
 *
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
 * LIMITED REMEDY.
 *
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
 * software or system incorporating such software without first obtaining any
 * required license or other approval from the U. S. Department of Commerce or
 * any other agency or department of the United States Government.  In the
 * event Licensee exports any such software from the United States or
 * re-exports any such software from a foreign destination, Licensee shall
 * ensure that the distribution and export/re-export of the software is in
 * compliance with all laws, regulations, orders, or other restrictions of the
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 * any of its subsidiaries will export/re-export any technical data, process,
 * software, or service, directly or indirectly, to any country for which the
 * United States government or any agency thereof requires an export license,
 * other governmental approval, or letter of assurance, without first obtaining
 * such license, approval or letter.
 *
 *****************************************************************************/

#define __UTXFERROR_C__

#include "acpi.h"
#include "accommon.h"
#include "acnamesp.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.
 *
 * For the iASL compiler case, the output is redirected to stderr so that
 * any of the various ACPI errors and warnings do not appear in the output
 * files, for either the compiler or disassembler portions of the tool.
 */
#ifdef ACPI_ASL_COMPILER
#include <stdio.h>

extern FILE                 *AcpiGbl_OutputFile;

#define ACPI_MSG_REDIRECT_BEGIN \
    FILE                    *OutputFile = AcpiGbl_OutputFile; \
    AcpiOsRedirectOutput (stderr);

#define ACPI_MSG_REDIRECT_END \
    AcpiOsRedirectOutput (OutputFile);

#else
/*
 * non-iASL case - no redirection, nothing to do
 */
#define ACPI_MSG_REDIRECT_BEGIN
#define ACPI_MSG_REDIRECT_END
#endif

/*
 * Common message prefixes
 */
#define ACPI_MSG_ERROR          "ACPI Error: "
#define ACPI_MSG_EXCEPTION      "ACPI Exception: "
#define ACPI_MSG_WARNING        "ACPI Warning: "
#define ACPI_MSG_INFO           "ACPI: "

/*
 * Common message suffix
 */
#define ACPI_MSG_SUFFIX \
    AcpiOsPrintf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, ModuleName, LineNumber)


/*******************************************************************************
 *
 * FUNCTION:    AcpiError
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - 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
AcpiError (
    const char              *ModuleName,
    UINT32                  LineNumber,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_ERROR);

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    ACPI_MSG_SUFFIX;
    va_end (ArgList);

    ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL (AcpiError)


/*******************************************************************************
 *
 * FUNCTION:    AcpiException
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - 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
AcpiException (
    const char              *ModuleName,
    UINT32                  LineNumber,
    ACPI_STATUS             Status,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_EXCEPTION "%s, ", AcpiFormatException (Status));

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    ACPI_MSG_SUFFIX;
    va_end (ArgList);

    ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL (AcpiException)


/*******************************************************************************
 *
 * FUNCTION:    AcpiWarning
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - 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
AcpiWarning (
    const char              *ModuleName,
    UINT32                  LineNumber,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_WARNING);

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    ACPI_MSG_SUFFIX;
    va_end (ArgList);

    ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL (AcpiWarning)


/*******************************************************************************
 *
 * FUNCTION:    AcpiInfo
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - 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: ModuleName and LineNumber args are not needed, should be removed.
 *
 ******************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
AcpiInfo (
    const char              *ModuleName,
    UINT32                  LineNumber,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_INFO);

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    AcpiOsPrintf ("\n");
    va_end (ArgList);

    ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL (AcpiInfo)


/*
 * The remainder of this module contains internal error functions that may
 * be configured out.
 */
#if !defined (ACPI_NO_ERROR_MESSAGES) && !defined (ACPI_BIN_APP)

/*******************************************************************************
 *
 * FUNCTION:    AcpiUtPredefinedWarning
 *
 * PARAMETERS:  ModuleName      - Caller's module name (for error output)
 *              LineNumber      - Caller's line number (for error output)
 *              Pathname        - Full pathname to the node
 *              NodeFlags       - From Namespace node for the method/object
 *              Format          - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Warnings for the predefined validation module. Messages are
 *              only emitted the first time a problem with a particular
 *              method/object is detected. This prevents a flood of error
 *              messages for methods that are repeatedly evaluated.
 *
 ******************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
AcpiUtPredefinedWarning (
    const char              *ModuleName,
    UINT32                  LineNumber,
    char                    *Pathname,
    UINT8                   NodeFlags,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    /*
     * Warning messages for this method/object will be disabled after the
     * first time a validation fails or an object is successfully repaired.
     */
    if (NodeFlags & ANOBJ_EVALUATED)
    {
        return;
    }

    AcpiOsPrintf (ACPI_MSG_WARNING "For %s: ", Pathname);

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    ACPI_MSG_SUFFIX;
    va_end (ArgList);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiUtPredefinedInfo
 *
 * PARAMETERS:  ModuleName      - Caller's module name (for error output)
 *              LineNumber      - Caller's line number (for error output)
 *              Pathname        - Full pathname to the node
 *              NodeFlags       - From Namespace node for the method/object
 *              Format          - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Info messages for the predefined validation module. Messages
 *              are only emitted the first time a problem with a particular
 *              method/object is detected. This prevents a flood of
 *              messages for methods that are repeatedly evaluated.
 *
 ******************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
AcpiUtPredefinedInfo (
    const char              *ModuleName,
    UINT32                  LineNumber,
    char                    *Pathname,
    UINT8                   NodeFlags,
    const char              *Format,
    ...)
{
    va_list                 ArgList;


    /*
     * Warning messages for this method/object will be disabled after the
     * first time a validation fails or an object is successfully repaired.
     */
    if (NodeFlags & ANOBJ_EVALUATED)
    {
        return;
    }

    AcpiOsPrintf (ACPI_MSG_INFO "For %s: ", Pathname);

    va_start (ArgList, Format);
    AcpiOsVprintf (Format, ArgList);
    ACPI_MSG_SUFFIX;
    va_end (ArgList);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiUtNamespaceError
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - Caller's line number (for error output)
 *              InternalName        - Name or path of the namespace node
 *              LookupStatus        - Exception code from NS lookup
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print error message with the full pathname for the NS node.
 *
 ******************************************************************************/

void
AcpiUtNamespaceError (
    const char              *ModuleName,
    UINT32                  LineNumber,
    const char              *InternalName,
    ACPI_STATUS             LookupStatus)
{
    ACPI_STATUS             Status;
    UINT32                  BadName;
    char                    *Name = NULL;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_ERROR);

    if (LookupStatus == AE_BAD_CHARACTER)
    {
        /* There is a non-ascii character in the name */

        ACPI_MOVE_32_TO_32 (&BadName, ACPI_CAST_PTR (UINT32, InternalName));
        AcpiOsPrintf ("[0x%4.4X] (NON-ASCII)", BadName);
    }
    else
    {
        /* Convert path to external format */

        Status = AcpiNsExternalizeName (ACPI_UINT32_MAX,
                    InternalName, NULL, &Name);

        /* Print target name */

        if (ACPI_SUCCESS (Status))
        {
            AcpiOsPrintf ("[%s]", Name);
        }
        else
        {
            AcpiOsPrintf ("[COULD NOT EXTERNALIZE NAME]");
        }

        if (Name)
        {
            ACPI_FREE (Name);
        }
    }

    AcpiOsPrintf (" Namespace lookup failure, %s",
        AcpiFormatException (LookupStatus));

    ACPI_MSG_SUFFIX;
    ACPI_MSG_REDIRECT_END;
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiUtMethodError
 *
 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
 *              LineNumber          - Caller's line number (for error output)
 *              Message             - Error message to use on failure
 *              PrefixNode          - Prefix relative to the path
 *              Path                - Path to the node (optional)
 *              MethodStatus        - Execution status
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print error message with the full pathname for the method.
 *
 ******************************************************************************/

void
AcpiUtMethodError (
    const char              *ModuleName,
    UINT32                  LineNumber,
    const char              *Message,
    ACPI_NAMESPACE_NODE     *PrefixNode,
    const char              *Path,
    ACPI_STATUS             MethodStatus)
{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node = PrefixNode;


    ACPI_MSG_REDIRECT_BEGIN;
    AcpiOsPrintf (ACPI_MSG_ERROR);

    if (Path)
    {
        Status = AcpiNsGetNode (PrefixNode, Path, ACPI_NS_NO_UPSEARCH,
                    &Node);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("[Could not get node by pathname]");
        }
    }

    AcpiNsPrintNodePathname (Node, Message);
    AcpiOsPrintf (", %s", AcpiFormatException (MethodStatus));

    ACPI_MSG_SUFFIX;
    ACPI_MSG_REDIRECT_END;
}

#endif /* ACPI_NO_ERROR_MESSAGES */