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SecurityPkg/Library: use ArmFfaGetPartitionInfo() in Tpm2ServiceFfaLib

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Use ArmFfaGetPartitionInfo() in Tpm2ServiceFfaLib.
This simplifies the code line to get partition information.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
This commit is contained in:
Levi Yun 2025-10-12 22:04:03 +01:00 • committed by mergify[bot]
parent 8955d8db32
commit b80000847a
1 changed files with 11 additions and 55 deletions
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66
SecurityPkg/Library/Tpm2DeviceLibFfa/Tpm2ServiceFfaRaw.c
View file

@ -101,71 +101,27 @@ FfaTpm2GetServicePartitionId (
)
{
EFI_STATUS Status;
UINT32 Count;
UINT32 Size;
EFI_FFA_PART_INFO_DESC *TpmPartInfo;
VOID *TxBuffer;
UINT64 TxBufferSize;
VOID *RxBuffer;
UINT64 RxBufferSize;
UINT16 PartId;
EFI_FFA_PART_INFO_DESC TpmPartInfo;
if (PartitionId == NULL) {
Status = EFI_INVALID_PARAMETER;
goto Exit;
return EFI_INVALID_PARAMETER;
}
Status = ArmFfaLibPartitionIdGet (&PartId);
if (EFI_ERROR (Status)) {
DEBUG ((
DEBUG_ERROR,
"Failed to get partition id. Status: %r\n",
Status
));
goto Exit;
}
Status = ArmFfaLibGetRxTxBuffers (
&TxBuffer,
&TxBufferSize,
&RxBuffer,
&RxBufferSize
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Failed to get Rx/Tx Buffer. Status: %r\n", Status));
goto Exit;
}
Status = ArmFfaLibPartitionInfoGet (
&gTpm2ServiceFfaGuid,
FFA_PART_INFO_FLAG_TYPE_DESC,
&Count,
&Size
);
Status = ArmFfaLibGetPartitionInfo (&gTpm2ServiceFfaGuid, &TpmPartInfo);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Failed to get Tpm2 partition info. Status: %r\n", Status));
goto RxRelease;
return Status;
}
if ((Count != 1) || (Size < sizeof (EFI_FFA_PART_INFO_DESC))) {
Status = EFI_INVALID_PARAMETER;
DEBUG ((DEBUG_ERROR, "Invalid partition Info(%g). Count: %d, Size: %d\n", &gTpm2ServiceFfaGuid, Count, Size));
} else {
TpmPartInfo = (EFI_FFA_PART_INFO_DESC *)RxBuffer;
*PartitionId = TpmPartInfo->PartitionId;
if (TpmPartInfo->PartitionId == TPM2_FFA_PARTITION_ID_INVALID) {
/*
* Tpm partition id never be TPM2_FFA_PARTITION_ID_INVALID.
*/
Status = EFI_DEVICE_ERROR;
}
*PartitionId = TpmPartInfo.PartitionId;
if (TpmPartInfo.PartitionId == TPM2_FFA_PARTITION_ID_INVALID) {
/*
* Tpm partition id never be TPM2_FFA_PARTITION_ID_INVALID.
*/
return EFI_DEVICE_ERROR;
}
RxRelease:
ArmFfaLibRxRelease (PartId);
Exit:
return Status;
return EFI_SUCCESS;
}
/**