/** @file
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Copyright (c) 2020, Linaro Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef OPTEE_RPMB_FVB_H_
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#define OPTEE_RPMB_FVB_H_
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/**
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Those are not currently defined in any spec, it's an internal
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contract between OP-TEE and EDK2.
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For more details check core/arch/arm/include/kernel/stmm_sp.h in OP-TEE
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**/
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#define SP_SVC_RPMB_READ_AARCH64 0xC4000066
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#define SP_SVC_RPMB_WRITE_AARCH64 0xC4000067
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#define SP_SVC_RPMB_READ_AARCH32 0x84000066
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#define SP_SVC_RPMB_WRITE_AARCH32 0x84000067
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#ifdef MDE_CPU_AARCH64
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#define SP_SVC_RPMB_READ SP_SVC_RPMB_READ_AARCH64
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#define SP_SVC_RPMB_WRITE SP_SVC_RPMB_WRITE_AARCH64
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#endif
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#ifdef MDE_CPU_ARM
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#define SP_SVC_RPMB_READ SP_SVC_RPMB_READ_AARCH32
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#define SP_SVC_RPMB_WRITE SP_SVC_RPMB_WRITE_AARCH32
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#endif
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#define FLASH_SIGNATURE SIGNATURE_32 ('r', 'p', 'm', 'b')
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#define INSTANCE_FROM_FVB_THIS(a) CR (a, MEM_INSTANCE, FvbProtocol, \
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FLASH_SIGNATURE)
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typedef struct _MEM_INSTANCE MEM_INSTANCE;
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typedef EFI_STATUS (*MEM_INITIALIZE) (MEM_INSTANCE* Instance);
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/**
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This struct is used by the RPMB driver. Since the upper EDK2 layers
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expect byte addressable memory, we allocate a memory area of certain
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size and sync it to the hardware on reads/writes.
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**/
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struct _MEM_INSTANCE
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{
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/// Internal signature used to discover the instance
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UINT32 Signature;
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/// Function used to initialize the instance
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MEM_INITIALIZE Initialize;
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/// Set to true if initialized
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BOOLEAN Initialized;
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/// FVB protocol of the instance
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FvbProtocol;
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/// Handle to install
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EFI_HANDLE Handle;
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/// Physical address of the beggining of the allocated memory
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EFI_PHYSICAL_ADDRESS MemBaseAddress;
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/// Blocksize
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UINT16 BlockSize;
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/// Number of allocated blocks
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UINT16 NBlocks;
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};
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#endif
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