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