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audk/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c

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/** @file
Report Status Code Library for DXE Phase.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/ReportStatusCodeLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PcdLib.h>
#include <Library/DevicePathLib.h>
#include <Protocol/StatusCode.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Guid/StatusCodeDataTypeDebug.h>
EFI_STATUS_CODE_PROTOCOL *mReportStatusCodeLibStatusCodeProtocol = NULL;
/**
Locate the report status code service.
Retrieve ReportStatusCode() API of Report Status Code Protocol.
**/
VOID
InternalGetReportStatusCode (
VOID
)
{
EFI_STATUS Status;
if (mReportStatusCodeLibStatusCodeProtocol != NULL) {
return;
}
//
// Check gBS just in case ReportStatusCode is called before gBS is initialized.
//
if ((gBS != NULL) && (gBS->LocateProtocol != NULL)) {
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&mReportStatusCodeLibStatusCodeProtocol);
if (EFI_ERROR (Status)) {
mReportStatusCodeLibStatusCodeProtocol = NULL;
}
}
}
/**
Internal worker function that reports a status code through the Report Status Code Protocol.
If status code service is not cached, then this function checks if Report Status Code
Protocol is available in system. If Report Status Code Protocol is not available, then
EFI_UNSUPPORTED is returned. If Report Status Code Protocol is present, then it is
cached in mReportStatusCodeLibStatusCodeProtocol. Finally this function reports status
code through the Report Status Code Protocol.
@param Type Status code type.
@param Value Status code value.
@param Instance Status code instance number.
@param CallerId Pointer to a GUID that identifies the caller of this
function. This is an optional parameter that may be
NULL.
@param Data Pointer to the extended data buffer. This is an
optional parameter that may be NULL.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_UNSUPPORTED Report Status Code Protocol is not available.
@retval EFI_UNSUPPORTED Status code type is not supported.
**/
EFI_STATUS
InternalReportStatusCode (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN CONST EFI_GUID *CallerId OPTIONAL,
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
)
{
if ((ReportProgressCodeEnabled () && (((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE)) ||
(ReportErrorCodeEnabled () && (((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE)) ||
(ReportDebugCodeEnabled () && (((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)))
{
//
// If mReportStatusCodeLibStatusCodeProtocol is NULL, then check if Report Status Code Protocol is available in system.
//
InternalGetReportStatusCode ();
if (mReportStatusCodeLibStatusCodeProtocol == NULL) {
return EFI_UNSUPPORTED;
}
//
// A Report Status Code Protocol is present in system, so pass in all the parameters to the service.
//
return mReportStatusCodeLibStatusCodeProtocol->ReportStatusCode (Type, Value, Instance, (EFI_GUID *)CallerId, Data);
}
return EFI_UNSUPPORTED;
}
/**
Converts a status code to an 8-bit POST code value.
Converts the status code specified by CodeType and Value to an 8-bit POST code
and returns the 8-bit POST code in PostCode. If CodeType is an
EFI_PROGRESS_CODE or CodeType is an EFI_ERROR_CODE, then bits 0..4 of PostCode
are set to bits 16..20 of Value, and bits 5..7 of PostCode are set to bits
24..26 of Value., and TRUE is returned. Otherwise, FALSE is returned.
If PostCode is NULL, then ASSERT().
@param CodeType The type of status code being converted.
@param Value The status code value being converted.
@param PostCode A pointer to the 8-bit POST code value to return.
@retval TRUE The status code specified by CodeType and Value was converted
to an 8-bit POST code and returned in PostCode.
@retval FALSE The status code specified by CodeType and Value could not be
converted to an 8-bit POST code value.
**/
BOOLEAN
EFIAPI
CodeTypeToPostCode (
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value,
OUT UINT8 *PostCode
)
{
//
// If PostCode is NULL, then ASSERT()
//
ASSERT (PostCode != NULL);
//
// Convert Value to an 8 bit post code
//
if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE))
{
*PostCode = (UINT8)((((Value & EFI_STATUS_CODE_CLASS_MASK) >> 24) << 5) |
(((Value & EFI_STATUS_CODE_SUBCLASS_MASK) >> 16) & 0x1f));
return TRUE;
}
return FALSE;
}
/**
Extracts ASSERT() information from a status code structure.
Converts the status code specified by CodeType, Value, and Data to the ASSERT()
arguments specified by Filename, Description, and LineNumber. If CodeType is
an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and
Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract
Filename, Description, and LineNumber from the optional data area of the
status code buffer specified by Data. The optional data area of Data contains
a Null-terminated ASCII string for the FileName, followed by a Null-terminated
ASCII string for the Description, followed by a 32-bit LineNumber. If the
ASSERT() information could be extracted from Data, then return TRUE.
Otherwise, FALSE is returned.
If Data is NULL, then ASSERT().
If Filename is NULL, then ASSERT().
If Description is NULL, then ASSERT().
If LineNumber is NULL, then ASSERT().
@param CodeType The type of status code being converted.
@param Value The status code value being converted.
@param Data Pointer to status code data buffer.
@param Filename Pointer to the source file name that generated the ASSERT().
@param Description Pointer to the description of the ASSERT().
@param LineNumber Pointer to source line number that generated the ASSERT().
@retval TRUE The status code specified by CodeType, Value, and Data was
converted ASSERT() arguments specified by Filename, Description,
and LineNumber.
@retval FALSE The status code specified by CodeType, Value, and Data could
not be converted to ASSERT() arguments.
**/
BOOLEAN
EFIAPI
ReportStatusCodeExtractAssertInfo (
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value,
IN CONST EFI_STATUS_CODE_DATA *Data,
OUT CHAR8 **Filename,
OUT CHAR8 **Description,
OUT UINT32 *LineNumber
)
{
EFI_DEBUG_ASSERT_DATA *AssertData;
ASSERT (Data != NULL);
ASSERT (Filename != NULL);
ASSERT (Description != NULL);
ASSERT (LineNumber != NULL);
if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) &&
((CodeType & EFI_STATUS_CODE_SEVERITY_MASK) == EFI_ERROR_UNRECOVERED) &&
((Value & EFI_STATUS_CODE_OPERATION_MASK) == EFI_SW_EC_ILLEGAL_SOFTWARE_STATE))
{
AssertData = (EFI_DEBUG_ASSERT_DATA *)(Data + 1);
*Filename = (CHAR8 *)(AssertData + 1);
*Description = *Filename + AsciiStrLen (*Filename) + 1;
*LineNumber = AssertData->LineNumber;
return TRUE;
}
return FALSE;
}
/**
Extracts DEBUG() information from a status code structure.
Converts the status code specified by Data to the DEBUG() arguments specified
by ErrorLevel, Marker, and Format. If type GUID in Data is
EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and
Format from the optional data area of the status code buffer specified by Data.
The optional data area of Data contains a 32-bit ErrorLevel followed by Marker
which is 12 UINTN parameters, followed by a Null-terminated ASCII string for
the Format. If the DEBUG() information could be extracted from Data, then
return TRUE. Otherwise, FALSE is returned.
If Data is NULL, then ASSERT().
If ErrorLevel is NULL, then ASSERT().
If Marker is NULL, then ASSERT().
If Format is NULL, then ASSERT().
@param Data Pointer to status code data buffer.
@param ErrorLevel Pointer to error level mask for a debug message.
@param Marker Pointer to the variable argument list associated with Format.
@param Format Pointer to a Null-terminated ASCII format string of a
debug message.
@retval TRUE The status code specified by Data was converted DEBUG() arguments
specified by ErrorLevel, Marker, and Format.
@retval FALSE The status code specified by Data could not be converted to
DEBUG() arguments.
**/
BOOLEAN
EFIAPI
ReportStatusCodeExtractDebugInfo (
IN CONST EFI_STATUS_CODE_DATA *Data,
OUT UINT32 *ErrorLevel,
OUT BASE_LIST *Marker,
OUT CHAR8 **Format
)
{
EFI_DEBUG_INFO *DebugInfo;
ASSERT (Data != NULL);
ASSERT (ErrorLevel != NULL);
ASSERT (Marker != NULL);
ASSERT (Format != NULL);
//
// If the GUID type is not EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID then return FALSE
//
if (!CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeDebugGuid)) {
return FALSE;
}
//
// Retrieve the debug information from the status code record
//
DebugInfo = (EFI_DEBUG_INFO *)(Data + 1);
*ErrorLevel = DebugInfo->ErrorLevel;
//
// The first 12 * sizeof (UINT64) bytes following EFI_DEBUG_INFO are for variable arguments
// of format in DEBUG string. Its address is returned in Marker and has to be 64-bit aligned.
// It must be noticed that EFI_DEBUG_INFO follows EFI_STATUS_CODE_DATA, whose size is
// 20 bytes. The size of EFI_DEBUG_INFO is 4 bytes, so we can ensure that Marker
// returned is 64-bit aligned.
// 64-bit aligned is a must, otherwise retrieving 64-bit parameter from BASE_LIST will
// cause unalignment exception.
//
*Marker = (BASE_LIST)(DebugInfo + 1);
*Format = (CHAR8 *)(((UINT64 *)*Marker) + 12);
return TRUE;
}
/**
Reports a status code.
Reports the status code specified by the parameters Type and Value. Status
code also require an instance, caller ID, and extended data. This function
passed in a zero instance, NULL extended data, and a caller ID of
gEfiCallerIdGuid, which is the GUID for the module.
ReportStatusCode()must actively prevent recusrsion. If ReportStatusCode()
is called while processing another any other Report Status Code Library function,
then ReportStatusCode() must return immediately.
@param Type Status code type.
@param Value Status code value.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_DEVICE_ERROR There status code could not be reported due to a
device error.
@retval EFI_UNSUPPORTED Report status code is not supported
**/
EFI_STATUS
EFIAPI
ReportStatusCode (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value
)
{
return InternalReportStatusCode (Type, Value, 0, &gEfiCallerIdGuid, NULL);
}
/**
Reports a status code with a Device Path Protocol as the extended data.
Allocates and fills in the extended data section of a status code with the
Device Path Protocol specified by DevicePath. This function is responsible
for allocating a buffer large enough for the standard header and the device
path. The standard header is filled in with a GUID of
gEfiStatusCodeSpecificDataGuid. The status code is reported with a zero
instance and a caller ID of gEfiCallerIdGuid.
ReportStatusCodeWithDevicePath()must actively prevent recursion. If
ReportStatusCodeWithDevicePath() is called while processing another any other
Report Status Code Library function, then ReportStatusCodeWithDevicePath()
must return EFI_DEVICE_ERROR immediately.
If DevicePath is NULL, then ASSERT().
@param Type Status code type.
@param Value Status code value.
@param DevicePath Pointer to the Device Path Protocol to be reported.
@retval EFI_SUCCESS The status code was reported with the extended
data specified by DevicePath.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
extended data section.
@retval EFI_UNSUPPORTED Report status code is not supported
**/
EFI_STATUS
EFIAPI
ReportStatusCodeWithDevicePath (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
ASSERT (DevicePath != NULL);
return ReportStatusCodeWithExtendedData (
Type,
Value,
(VOID *)DevicePath,
GetDevicePathSize (DevicePath)
);
}
/**
Reports a status code with an extended data buffer.
Allocates and fills in the extended data section of a status code with the
extended data specified by ExtendedData and ExtendedDataSize. ExtendedData
is assumed to be one of the data structures specified in Related Definitions.
These data structure do not have the standard header, so this function is
responsible for allocating a buffer large enough for the standard header and
the extended data passed into this function. The standard header is filled
in with a GUID of gEfiStatusCodeSpecificDataGuid. The status code is reported
with a zero instance and a caller ID of gEfiCallerIdGuid.
ReportStatusCodeWithExtendedData()must actively prevent recursion. If
ReportStatusCodeWithExtendedData() is called while processing another any other
Report Status Code Library function, then ReportStatusCodeWithExtendedData()
must return EFI_DEVICE_ERROR immediately.
If ExtendedData is NULL, then ASSERT().
If ExtendedDataSize is 0, then ASSERT().
@param Type Status code type.
@param Value Status code value.
@param ExtendedData Pointer to the extended data buffer to be reported.
@param ExtendedDataSize The size, in bytes, of the extended data buffer to
be reported.
@retval EFI_SUCCESS The status code was reported with the extended
data specified by ExtendedData and ExtendedDataSize.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
extended data section.
@retval EFI_UNSUPPORTED Report status code is not supported
**/
EFI_STATUS
EFIAPI
ReportStatusCodeWithExtendedData (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN CONST VOID *ExtendedData,
IN UINTN ExtendedDataSize
)
{
ASSERT (ExtendedData != NULL);
ASSERT (ExtendedDataSize != 0);
return ReportStatusCodeEx (
Type,
Value,
0,
NULL,
NULL,
ExtendedData,
ExtendedDataSize
);
}
/**
Reports a status code with full parameters.
The function reports a status code. If ExtendedData is NULL and ExtendedDataSize
is 0, then an extended data buffer is not reported. If ExtendedData is not
NULL and ExtendedDataSize is not 0, then an extended data buffer is allocated.
ExtendedData is assumed not have the standard status code header, so this function
is responsible for allocating a buffer large enough for the standard header and
the extended data passed into this function. The standard header is filled in
with a GUID specified by ExtendedDataGuid. If ExtendedDataGuid is NULL, then a
GUID of gEfiStatusCodeSpecificDataGuid is used. The status code is reported with
an instance specified by Instance and a caller ID specified by CallerId. If
CallerId is NULL, then a caller ID of gEfiCallerIdGuid is used.
ReportStatusCodeEx()must actively prevent recursion. If
ReportStatusCodeEx() is called while processing another any
other Report Status Code Library function, then
ReportStatusCodeEx() must return EFI_DEVICE_ERROR immediately.
If ExtendedData is NULL and ExtendedDataSize is not zero, then ASSERT().
If ExtendedData is not NULL and ExtendedDataSize is zero, then ASSERT().
@param Type Status code type.
@param Value Status code value.
@param Instance Status code instance number.
@param CallerId Pointer to a GUID that identifies the caller of this
function. If this parameter is NULL, then a caller
ID of gEfiCallerIdGuid is used.
@param ExtendedDataGuid Pointer to the GUID for the extended data buffer.
If this parameter is NULL, then a the status code
standard header is filled in with
gEfiStatusCodeSpecificDataGuid.
@param ExtendedData Pointer to the extended data buffer. This is an
optional parameter that may be NULL.
@param ExtendedDataSize The size, in bytes, of the extended data buffer.
@retval EFI_SUCCESS The status code was reported.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate
the extended data section if it was specified.
@retval EFI_UNSUPPORTED Report status code is not supported
**/
EFI_STATUS
EFIAPI
ReportStatusCodeEx (
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN CONST EFI_GUID *CallerId OPTIONAL,
IN CONST EFI_GUID *ExtendedDataGuid OPTIONAL,
IN CONST VOID *ExtendedData OPTIONAL,
IN UINTN ExtendedDataSize
)
{
EFI_STATUS Status;
EFI_STATUS_CODE_DATA *StatusCodeData;
EFI_TPL Tpl;
UINT64 Buffer[(MAX_EXTENDED_DATA_SIZE / sizeof (UINT64)) + 1];
ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0)));
ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0)));
if (ExtendedDataSize <= (MAX_EXTENDED_DATA_SIZE - sizeof (EFI_STATUS_CODE_DATA))) {
//
// Use Buffer instead of allocating if possible.
//
StatusCodeData = (EFI_STATUS_CODE_DATA *)Buffer;
} else {
if ((gBS == NULL) || (gBS->AllocatePool == NULL) || (gBS->FreePool == NULL)) {
return EFI_UNSUPPORTED;
}
//
// Retrieve the current TPL
//
Tpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
gBS->RestoreTPL (Tpl);
if (Tpl > TPL_NOTIFY) {
return EFI_OUT_OF_RESOURCES;
}
//
// Allocate space for the Status Code Header and its buffer
//
StatusCodeData = NULL;
gBS->AllocatePool (EfiBootServicesData, sizeof (EFI_STATUS_CODE_DATA) + ExtendedDataSize, (VOID **)&StatusCodeData);
if (StatusCodeData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
}
//
// Fill in the extended data header
//
StatusCodeData->HeaderSize = (UINT16)sizeof (EFI_STATUS_CODE_DATA);
StatusCodeData->Size = (UINT16)ExtendedDataSize;
if (ExtendedDataGuid == NULL) {
ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid;
}
CopyGuid (&StatusCodeData->Type, ExtendedDataGuid);
//
// Fill in the extended data buffer
//
if (ExtendedData != NULL) {
CopyMem (StatusCodeData + 1, ExtendedData, ExtendedDataSize);
}
//
// Report the status code
//
if (CallerId == NULL) {
CallerId = &gEfiCallerIdGuid;
}
Status = InternalReportStatusCode (Type, Value, Instance, CallerId, StatusCodeData);
//
// Free the allocated buffer
//
if (StatusCodeData != (EFI_STATUS_CODE_DATA *)Buffer) {
gBS->FreePool (StatusCodeData);
}
return Status;
}
/**
Returns TRUE if status codes of type EFI_PROGRESS_CODE are enabled
This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED
bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
@retval TRUE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is set.
@retval FALSE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is clear.
**/
BOOLEAN
EFIAPI
ReportProgressCodeEnabled (
VOID
)
{
return (BOOLEAN)((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED) != 0);
}
/**
Returns TRUE if status codes of type EFI_ERROR_CODE are enabled
This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED
bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
@retval TRUE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is set.
@retval FALSE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is clear.
**/
BOOLEAN
EFIAPI
ReportErrorCodeEnabled (
VOID
)
{
return (BOOLEAN)((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED) != 0);
}
/**
Returns TRUE if status codes of type EFI_DEBUG_CODE are enabled
This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED
bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
@retval TRUE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is set.
@retval FALSE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
PcdReportStatusCodeProperyMask is clear.
**/
BOOLEAN
EFIAPI
ReportDebugCodeEnabled (
VOID
)
{
return (BOOLEAN)((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED) != 0);
}
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