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linux-stable-rt/drivers/acpi/acpica/utxferror.c

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/*******************************************************************************
*
* Module Name: utxferror - Various error/warning output functions
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2011, 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.
*/
#include <acpi/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 i_aSL 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 *acpi_gbl_output_file;
#define ACPI_MSG_REDIRECT_BEGIN \
FILE *output_file = acpi_gbl_output_file; \
acpi_os_redirect_output (stderr);
#define ACPI_MSG_REDIRECT_END \
acpi_os_redirect_output (output_file);
#else
/*
* non-i_aSL 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 \
acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
/*******************************************************************************
*
* 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)
/*
* 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: acpi_ut_predefined_warning
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* Pathname - Full pathname to the node
* node_flags - 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
acpi_ut_predefined_warning(const char *module_name,
u32 line_number,
char *pathname,
u8 node_flags, const char *format, ...)
{
va_list arg_list;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (node_flags & ANOBJ_EVALUATED) {
return;
}
acpi_os_printf(ACPI_MSG_WARNING "For %s: ", pathname);
va_start(arg_list, format);
acpi_os_vprintf(format, arg_list);
ACPI_MSG_SUFFIX;
va_end(arg_list);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_predefined_info
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* Pathname - Full pathname to the node
* node_flags - 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
acpi_ut_predefined_info(const char *module_name,
u32 line_number,
char *pathname, u8 node_flags, const char *format, ...)
{
va_list arg_list;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (node_flags & ANOBJ_EVALUATED) {
return;
}
acpi_os_printf(ACPI_MSG_INFO "For %s: ", pathname);
va_start(arg_list, format);
acpi_os_vprintf(format, arg_list);
ACPI_MSG_SUFFIX;
va_end(arg_list);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_namespace_error
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* internal_name - Name or path of the namespace node
* lookup_status - Exception code from NS lookup
*
* RETURN: None
*
* DESCRIPTION: Print error message with the full pathname for the NS node.
*
******************************************************************************/
void
acpi_ut_namespace_error(const char *module_name,
u32 line_number,
const char *internal_name, acpi_status lookup_status)
{
acpi_status status;
u32 bad_name;
char *name = NULL;
ACPI_MSG_REDIRECT_BEGIN;
acpi_os_printf(ACPI_MSG_ERROR);
if (lookup_status == AE_BAD_CHARACTER) {
/* There is a non-ascii character in the name */
ACPI_MOVE_32_TO_32(&bad_name,
ACPI_CAST_PTR(u32, internal_name));
acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
} else {
/* Convert path to external format */
status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
internal_name, NULL, &name);
/* Print target name */
if (ACPI_SUCCESS(status)) {
acpi_os_printf("[%s]", name);
} else {
acpi_os_printf("[COULD NOT EXTERNALIZE NAME]");
}
if (name) {
ACPI_FREE(name);
}
}
acpi_os_printf(" Namespace lookup failure, %s",
acpi_format_exception(lookup_status));
ACPI_MSG_SUFFIX;
ACPI_MSG_REDIRECT_END;
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_method_error
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* Message - Error message to use on failure
* prefix_node - Prefix relative to the path
* Path - Path to the node (optional)
* method_status - Execution status
*
* RETURN: None
*
* DESCRIPTION: Print error message with the full pathname for the method.
*
******************************************************************************/
void
acpi_ut_method_error(const char *module_name,
u32 line_number,
const char *message,
struct acpi_namespace_node *prefix_node,
const char *path, acpi_status method_status)
{
acpi_status status;
struct acpi_namespace_node *node = prefix_node;
ACPI_MSG_REDIRECT_BEGIN;
acpi_os_printf(ACPI_MSG_ERROR);
if (path) {
status =
acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
&node);
if (ACPI_FAILURE(status)) {
acpi_os_printf("[Could not get node by pathname]");
}
}
acpi_ns_print_node_pathname(node, message);
acpi_os_printf(", %s", acpi_format_exception(method_status));
ACPI_MSG_SUFFIX;
ACPI_MSG_REDIRECT_END;
}
#endif /* ACPI_NO_ERROR_MESSAGES */
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