5a2713ec2b
Some of code for handling Rx/Tx buffer is duplicate. This patch commonize some of duplication routine used in Rx/Tx buffer related functions. Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/** @file
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Arm FF-A ns common library Header file
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Copyright (c) 2024, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Glossary:
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- FF-A - Firmware Framework for Arm A-profile
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- spmc - Secure Partition Manager Core
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- spmd - Secure Partition Manager Dispatcher
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@par Reference(s):
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- Arm Firmware Framework for Arm A-Profile [https://developer.arm.com/documentation/den0077/latest]
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**/
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#ifndef ARM_FFA_COMMON_LIB_H_
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#define ARM_FFA_COMMON_LIB_H_
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#include <Library/ArmFfaLib.h>
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extern BOOLEAN gFfaSupported;
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extern UINT16 gPartId;
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/**
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Convert FfArgs to EFI_STATUS.
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@param [in] FfaArgs Ffa arguments
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@retval EFI_STATUS return value correspond EFI_STATUS to FfaStatus
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**/
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EFI_STATUS
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EFIAPI
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FfaArgsToEfiStatus (
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IN ARM_FFA_ARGS *FfaArgs
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);
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/**
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Common ArmFfaLib Constructor.
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@retval EFI_SUCCESS
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@retval Others Error
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**/
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EFI_STATUS
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EFIAPI
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ArmFfaLibCommonInit (
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IN VOID
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);
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/**
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Get first Rx/Tx Buffer allocation hob.
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If UseGuid is TRUE, BufferAddr and BufferSize parameters are ignored.
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@param[in] BufferAddr Buffer address
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@param[in] BufferSize Buffer Size
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@param[in] UseGuid Find MemoryAllocationHob using gArmFfaRxTxBufferInfoGuid.
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@retval NULL Not found
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@retval Other MemoryAllocationHob related to Rx/Tx buffer
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**/
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EFI_HOB_MEMORY_ALLOCATION *
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EFIAPI
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GetRxTxBufferAllocationHob (
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IN EFI_PHYSICAL_ADDRESS BufferAddr,
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IN UINT64 BufferSize,
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IN BOOLEAN UseGuid
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);
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/**
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Get Rx/Tx buffer MinSizeAndAign and MaxSize
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@param[out] MinSizeAndAlign Minimum size of Buffer.
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@retval EFI_SUCCESS
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@retval EFI_UNSUPPORTED Wrong min size received from SPMC
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@retval EFI_INVALID_PARAMETER Wrong buffer size
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@retval Others Failure of ArmFfaLibGetFeatures()
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**/
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EFI_STATUS
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EFIAPI
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GetRxTxBufferMinSizeAndAlign (
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OUT UINTN *MinSizeAndAlign
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);
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#endif
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