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/** @file
Configuration manager Object Descriptor Utility.
Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <FdtHwInfoParserInclude.h>
#include <ConfigurationManagerObject.h>
#include "CmObjectDescUtility.h"
/** Create a CM_OBJ_DESCRIPTOR.
@param [in] ObjectId CM_OBJECT_ID of the node.
@param [in] Count Number of CmObj stored in the
data field.
@param [in] Data Pointer to one or more CmObj objects.
The content of this Data buffer is copied.
@param [in] Size Size of the Data buffer.
@param [out] NewCmObjDesc The created CM_OBJ_DESCRIPTOR.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES An allocation has failed.
**/
EFI_STATUS
EFIAPI
CreateCmObjDesc (
IN CM_OBJECT_ID ObjectId,
IN UINT32 Count,
IN VOID *Data,
IN UINT32 Size,
OUT CM_OBJ_DESCRIPTOR **NewCmObjDesc
)
{
CM_OBJ_DESCRIPTOR *CmObjDesc;
VOID *DataBuffer;
if ((Count == 0) ||
(Data == NULL) ||
(Size == 0) ||
(NewCmObjDesc == NULL))
{
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
CmObjDesc = AllocateZeroPool (sizeof (CM_OBJ_DESCRIPTOR));
if (CmObjDesc == NULL) {
ASSERT (0);
return EFI_OUT_OF_RESOURCES;
}
DataBuffer = AllocateCopyPool (Size, Data);
if (DataBuffer == NULL) {
FreePool (CmObjDesc);
ASSERT (0);
return EFI_OUT_OF_RESOURCES;
}
CmObjDesc->ObjectId = ObjectId;
CmObjDesc->Count = Count;
CmObjDesc->Data = DataBuffer;
CmObjDesc->Size = Size;
*NewCmObjDesc = CmObjDesc;
return EFI_SUCCESS;
}
/** Free resources allocated for the CM_OBJ_DESCRIPTOR.
@param [in] CmObjDesc Pointer to the CM_OBJ_DESCRIPTOR.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
FreeCmObjDesc (
IN CM_OBJ_DESCRIPTOR *CmObjDesc
)
{
if (CmObjDesc == NULL) {
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
if (CmObjDesc->Data != NULL) {
FreePool (CmObjDesc->Data);
}
FreePool (CmObjDesc);
return EFI_SUCCESS;
}
/** Add a single CmObj to the Configuration Manager.
@param [in] FdtParserHandle A handle to the parser instance.
@param [in] ObjectId CmObj ObjectId.
@param [in] Data CmObj Data.
@param [in] Size CmObj Size.
@param [out] Token If provided and success,
token generated for this CmObj.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
AddSingleCmObj (
IN CONST FDT_HW_INFO_PARSER_HANDLE FdtParserHandle,
IN CM_OBJECT_ID ObjectId,
IN VOID *Data,
IN UINT32 Size,
OUT CM_OBJECT_TOKEN *Token OPTIONAL
)
{
EFI_STATUS Status;
CM_OBJ_DESCRIPTOR CmObjDesc;
if ((FdtParserHandle == NULL) ||
(FdtParserHandle->HwInfoAdd == NULL) ||
(Data == NULL) ||
(Size == 0))
{
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
CmObjDesc.ObjectId = ObjectId;
CmObjDesc.Count = 1;
CmObjDesc.Data = Data;
CmObjDesc.Size = Size;
// Add the CmObj.
// Don't ask for a token.
Status = FdtParserHandle->HwInfoAdd (
FdtParserHandle,
FdtParserHandle->Context,
&CmObjDesc,
Token
);
ASSERT_EFI_ERROR (Status);
return Status;
}
/** Add multiple CmObj to the Configuration Manager.
@param [in] FdtParserHandle A handle to the parser instance.
@param [in] CmObjDesc CmObjDesc containing multiple CmObj
to add.
@param [in] TokenCount If provided, count of entries in the
TokenTable.
@param [out] TokenTable If provided and success,
token generated for these CmObj.
Address of an array of CM_OBJECT_TOKEN
with the same number of elements as the
CmObjDesc.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
AddMultipleCmObj (
IN CONST FDT_HW_INFO_PARSER_HANDLE FdtParserHandle,
IN CONST CM_OBJ_DESCRIPTOR *CmObjDesc,
IN UINT32 TokenCount, OPTIONAL
OUT CM_OBJECT_TOKEN *TokenTable OPTIONAL
)
{
EFI_STATUS Status;
UINT32 Index;
UINT32 Count;
UINT8 *Data;
UINT32 Size;
CM_OBJ_DESCRIPTOR SingleCmObjDesc;
if ((FdtParserHandle == NULL) ||
(FdtParserHandle->HwInfoAdd == NULL) ||
(CmObjDesc == NULL) ||
(CmObjDesc->Count == 0) ||
(CmObjDesc->Data == NULL) ||
(CmObjDesc->Size == 0))
{
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
Count = CmObjDesc->Count;
Data = CmObjDesc->Data;
Size = CmObjDesc->Size / Count;
SingleCmObjDesc.ObjectId = CmObjDesc->ObjectId;
SingleCmObjDesc.Count = 1;
SingleCmObjDesc.Size = Size;
for (Index = 0; Index < Count; Index++) {
SingleCmObjDesc.Data = (VOID *)&Data[Index * Size];
// Add the CmObj.
Status = FdtParserHandle->HwInfoAdd (
FdtParserHandle,
FdtParserHandle->Context,
&SingleCmObjDesc,
(TokenTable != NULL) ?
&TokenTable[Index] :
NULL
);
if (EFI_ERROR (Status)) {
ASSERT (0);
return Status;
}
} // for
return Status;
}
/** Add multiple CmObj to the Configuration Manager.
Get one token referencing a EArchCommonObjCmRef CmObj itself referencing
the input CmObj. In the table below, RefToken is returned.
Token referencing an Array of tokens Array of CmObj
array of EArchCommonObjCmRef referencing each from the input:
CmObj: CmObj from the input:
RefToken ---> CmObjToken[0] ---> CmObj[0]
CmObjToken[1] ---> CmObj[1]
CmObjToken[2] ---> CmObj[2]
@param [in] FdtParserHandle A handle to the parser instance.
@param [in] CmObjDesc CmObjDesc containing multiple CmObj
to add.
@param [out] Token If success, token referencing an array
of EArchCommonObjCmRef CmObj, themselves
referencing the input CmObjs.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES An allocation has failed.
**/
EFI_STATUS
EFIAPI
AddMultipleCmObjWithCmObjRef (
IN CONST FDT_HW_INFO_PARSER_HANDLE FdtParserHandle,
IN CM_OBJ_DESCRIPTOR *CmObjDesc,
OUT CM_OBJECT_TOKEN *Token
)
{
EFI_STATUS Status;
CM_OBJ_DESCRIPTOR CmObjRef;
CM_OBJECT_TOKEN *TokenTable;
INT32 TokenTableSize;
if ((FdtParserHandle == NULL) ||
(FdtParserHandle->HwInfoAdd == NULL) ||
(CmObjDesc == NULL) ||
(CmObjDesc->Count == 0) ||
(CmObjDesc->Data == NULL) ||
(CmObjDesc->Size == 0) ||
(Token == NULL))
{
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
// Allocate a buffer to store the tokens.
TokenTableSize = CmObjDesc->Count * sizeof (CM_OBJECT_TOKEN);
TokenTable = AllocateZeroPool (TokenTableSize);
if (TokenTable == NULL) {
ASSERT (0);
return EFI_OUT_OF_RESOURCES;
}
// Add the input CmObjs.
Status = AddMultipleCmObj (
FdtParserHandle,
CmObjDesc,
CmObjDesc->Count,
TokenTable
);
if (EFI_ERROR (Status)) {
ASSERT (0);
goto exit_handler;
}
CmObjRef.ObjectId = CREATE_CM_ARCH_COMMON_OBJECT_ID (EArchCommonObjCmRef);
CmObjRef.Data = TokenTable;
CmObjRef.Count = CmObjDesc->Count;
CmObjRef.Size = TokenTableSize;
// Add the array of EArchCommonObjCmRef CmObjs.
Status = FdtParserHandle->HwInfoAdd (
FdtParserHandle,
FdtParserHandle->Context,
&CmObjRef,
Token
);
ASSERT_EFI_ERROR (Status);
exit_handler:
FreePool (TokenTable);
return Status;
}
|
