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/** @file
Arm FF-A ns common library Header file
Copyright (c) 2024, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Glossary:
- FF-A - Firmware Framework for Arm A-profile
- spmc - Secure Partition Manager Core
- spmd - Secure Partition Manager Dispatcher
@par Reference(s):
- Arm Firmware Framework for Arm A-Profile [https://developer.arm.com/documentation/den0077/latest]
**/
#ifndef ARM_FFA_COMMON_LIB_H_
#define ARM_FFA_COMMON_LIB_H_
#include <Library/ArmFfaLib.h>
extern BOOLEAN gFfaSupported;
extern UINT16 gPartId;
/**
Convert FfArgs to EFI_STATUS.
@param [in] FfaArgs Ffa arguments
@retval EFI_STATUS return value correspond EFI_STATUS to FfaStatus
**/
EFI_STATUS
EFIAPI
FfaArgsToEfiStatus (
IN ARM_FFA_ARGS *FfaArgs
);
/**
Common ArmFfaLib Constructor.
@retval EFI_SUCCESS
@retval Others Error
**/
EFI_STATUS
EFIAPI
ArmFfaLibCommonInit (
IN VOID
);
/**
Get first Rx/Tx Buffer allocation hob.
If UseGuid is TRUE, BufferAddr and BufferSize parameters are ignored.
@param[in] BufferAddr Buffer address
@param[in] BufferSize Buffer Size
@param[in] UseGuid Find MemoryAllocationHob using gArmFfaRxTxBufferInfoGuid.
@retval NULL Not found
@retval Other MemoryAllocationHob related to Rx/Tx buffer
**/
EFI_HOB_MEMORY_ALLOCATION *
EFIAPI
GetRxTxBufferAllocationHob (
IN EFI_PHYSICAL_ADDRESS BufferAddr,
IN UINT64 BufferSize,
IN BOOLEAN UseGuid
);
/**
Get Rx/Tx buffer MinSizeAndAign and MaxSize
@param[out] MinSizeAndAlign Minimum size of Buffer.
@retval EFI_SUCCESS
@retval EFI_UNSUPPORTED Wrong min size received from SPMC
@retval EFI_INVALID_PARAMETER Wrong buffer size
@retval Others Failure of ArmFfaLibGetFeatures()
**/
EFI_STATUS
EFIAPI
GetRxTxBufferMinSizeAndAlign (
OUT UINTN *MinSizeAndAlign
);
#endif
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