1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Definitions for the VTPM proxy driver
4 * Copyright (c) 2015, 2016, IBM Corporation
5 * Copyright (C) 2016 Intel Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14 * more details.
15 */
16
17#ifndef _UAPI_LINUX_VTPM_PROXY_H
18#define _UAPI_LINUX_VTPM_PROXY_H
19
20#include <linux/types.h>
21#include <linux/ioctl.h>
22
23/**
24 * enum vtpm_proxy_flags - flags for the proxy TPM
25 * @VTPM_PROXY_FLAG_TPM2:	the proxy TPM uses TPM 2.0 protocol
26 */
27enum vtpm_proxy_flags {
28	VTPM_PROXY_FLAG_TPM2	= 1,
29};
30
31/**
32 * struct vtpm_proxy_new_dev - parameter structure for the
33 *                             %VTPM_PROXY_IOC_NEW_DEV ioctl
34 * @flags:	flags for the proxy TPM
35 * @tpm_num:	index of the TPM device
36 * @fd:		the file descriptor used by the proxy TPM
37 * @major:	the major number of the TPM device
38 * @minor:	the minor number of the TPM device
39 */
40struct vtpm_proxy_new_dev {
41	__u32 flags;         /* input */
42	__u32 tpm_num;       /* output */
43	__u32 fd;            /* output */
44	__u32 major;         /* output */
45	__u32 minor;         /* output */
46};
47
48#define VTPM_PROXY_IOC_NEW_DEV	_IOWR(0xa1, 0x00, struct vtpm_proxy_new_dev)
49
50/* vendor specific commands to set locality */
51#define TPM2_CC_SET_LOCALITY	0x20001000
52#define TPM_ORD_SET_LOCALITY	0x20001000
53
54#endif /* _UAPI_LINUX_VTPM_PROXY_H */
55