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  */
27 enum 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  */
40 struct 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