linux-headers (unknown)
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 _LINUX_VTPM_PROXY_H
18 #define _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 /* _LINUX_VTPM_PROXY_H */
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