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 | |