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/** @file
Tpm2 device table generating Library
Copyright (c) 2025, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef TPM2_DEVICE_TABLE_LIB_H_
#define TPM2_DEVICE_TABLE_LIB_H_
/** Build a SSDT table describing the TPM2 device.
The table created by this function must be freed by FreeTpm2DeviceTable.
@param [in] TpmDevInfo TPM2 Device info to describe in the SSDT table.
@param [in] Name The Name to give to the Device.
Must be a NULL-terminated ASL NameString
e.g.: "DEV0", "DV15.DEV0", etc.
@param [in] Uid UID for the TPM@ device.
@param [out] Table If success, pointer to the created SSDT table.
@retval EFI_SUCCESS Table generated successfully.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
@retval EFI_NOT_FOUND Could not find information.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
BuildTpm2DeviceTable (
IN CONST CM_ARCH_COMMON_TPM2_DEVICE_INFO *TpmDevInfo,
IN CONST CHAR8 *Name,
IN CONST UINT64 Uid,
OUT EFI_ACPI_DESCRIPTION_HEADER **Table
);
/** Free an Tpm2 device table previously created by
the BuildTpm2DeviceTable function.
@param [in] Table Pointer to a Tpm2 Device table allocated by
the BuildTpm2DeviceTable function.
**/
VOID
EFIAPI
FreeTpm2DeviceTable (
IN EFI_ACPI_DESCRIPTION_HEADER *Table
);
#endif // TPM2_DEVICE_TABLE_LIB_H_
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