8d73be7a8e
Add a driver for a firmware TPM running inside TEE. Documentation of the firmware TPM: https://www.microsoft.com/en-us/research/publication/ftpm-software-implementation-tpm-chip/ Implementation of the firmware TPM: https://github.com/Microsoft/ms-tpm-20-ref/tree/master/Samples/ARM32-FirmwareTPM Signed-off-by: Thirupathaiah Annapureddy <thiruan@linux.microsoft.com>
36 lines
944 B
C
36 lines
944 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) Microsoft Corporation
|
|
*/
|
|
|
|
#ifndef __TPM2_FTPM_TEE_H__
|
|
#define __TPM2_FTPM_TEE_H__
|
|
|
|
/* This UUID is generated with uuidgen */
|
|
#define TA_FTPM_UUID { 0xBC50D971, 0xD4C9, 0x42C4, \
|
|
{0x82, 0xCB, 0x34, 0x3F, 0xB7, 0xF3, 0x78, 0x96} }
|
|
|
|
/* The TAFs ID implemented in this TA */
|
|
#define FTPM_OPTEE_TA_SUBMIT_COMMAND (0)
|
|
#define FTPM_OPTEE_TA_EMULATE_PPI (1)
|
|
|
|
/* max. buffer size supported by fTPM */
|
|
#define MAX_COMMAND_SIZE 4096
|
|
#define MAX_RESPONSE_SIZE 4096
|
|
|
|
/**
|
|
* struct ftpm_tee_private - fTPM's private context
|
|
* @tee_dev: struct udevice for TEE.
|
|
* @session: fTPM TA session identifier.
|
|
* @is_open: Indicates whether the driver is already opened by client or not.
|
|
* @shm: Memory pool shared with fTPM TA in TEE.
|
|
*/
|
|
struct ftpm_tee_private {
|
|
struct udevice *tee_dev;
|
|
u32 session;
|
|
int is_open;
|
|
struct tee_shm *shm;
|
|
};
|
|
|
|
#endif /* __TPM2_FTPM_TEE_H__ */
|