| /* 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> |
| /* 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. |
| * @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 { |
| u8 resp_buf[MAX_RESPONSE_SIZE]; |
| #endif /* __TPM_FTPM_TEE_H__ */ |