1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) Microsoft Corporation
 4 */
 5
 6#ifndef __TPM_FTPM_TEE_H__
 7#define __TPM_FTPM_TEE_H__
 8
 9#include <linux/tee_drv.h>
10#include <linux/tpm.h>
11#include <linux/uuid.h>
12
13/* The TAFs ID implemented in this TA */
14#define FTPM_OPTEE_TA_SUBMIT_COMMAND  (0)
15#define FTPM_OPTEE_TA_EMULATE_PPI     (1)
16
17/* max. buffer size supported by fTPM  */
18#define MAX_COMMAND_SIZE       4096
19#define MAX_RESPONSE_SIZE      4096
20
21/**
22 * struct ftpm_tee_private - fTPM's private data
23 * @chip:     struct tpm_chip instance registered with tpm framework.
24 * @state:    internal state
25 * @session:  fTPM TA session identifier.
26 * @resp_len: cached response buffer length.
27 * @resp_buf: cached response buffer.
28 * @ctx:      TEE context handler.
29 * @shm:      Memory pool shared with fTPM TA in TEE.
30 */
31struct ftpm_tee_private {
32	struct tpm_chip *chip;
33	u32 session;
34	size_t resp_len;
35	u8 resp_buf[MAX_RESPONSE_SIZE];
36	struct tee_context *ctx;
37	struct tee_shm *shm;
38};
39
40#endif /* __TPM_FTPM_TEE_H__ */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) Microsoft Corporation
 4 */
 5
 6#ifndef __TPM_FTPM_TEE_H__
 7#define __TPM_FTPM_TEE_H__
 8
 9#include <linux/tee_drv.h>
10#include <linux/tpm.h>
11#include <linux/uuid.h>
12
13/* The TAFs ID implemented in this TA */
14#define FTPM_OPTEE_TA_SUBMIT_COMMAND  (0)
15#define FTPM_OPTEE_TA_EMULATE_PPI     (1)
16
17/* max. buffer size supported by fTPM  */
18#define MAX_COMMAND_SIZE       4096
19#define MAX_RESPONSE_SIZE      4096
20
21/**
22 * struct ftpm_tee_private - fTPM's private data
23 * @chip:     struct tpm_chip instance registered with tpm framework.
24 * @state:    internal state
25 * @session:  fTPM TA session identifier.
26 * @resp_len: cached response buffer length.
27 * @resp_buf: cached response buffer.
28 * @ctx:      TEE context handler.
29 * @shm:      Memory pool shared with fTPM TA in TEE.
30 */
31struct ftpm_tee_private {
32	struct tpm_chip *chip;
33	u32 session;
34	size_t resp_len;
35	u8 resp_buf[MAX_RESPONSE_SIZE];
36	struct tee_context *ctx;
37	struct tee_shm *shm;
38};
39
40#endif /* __TPM_FTPM_TEE_H__ */