/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) Microsoft Corporation */ #ifndef __TPM_FTPM_TEE_H__ #define __TPM_FTPM_TEE_H__ #include <linux/tee_drv.h> #include <linux/tpm.h> #include <linux/uuid.h> /* 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 data * @chip: struct tpm_chip instance registered with tpm framework. * @state: internal state * @session: fTPM TA session identifier. * @resp_len: cached response buffer length. * @resp_buf: cached response buffer. * @ctx: TEE context handler. * @shm: Memory pool shared with fTPM TA in TEE. */ struct ftpm_tee_private { struct tpm_chip *chip; u32 session; size_t resp_len; u8 resp_buf[MAX_RESPONSE_SIZE]; struct tee_context *ctx; struct tee_shm *shm; }; #endif /* __TPM_FTPM_TEE_H__ */