uapi/linux/vtpm_proxy.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /*
0003  * Definitions for the VTPM proxy driver
0004  * Copyright (c) 2015, 2016, IBM Corporation
0005  * Copyright (C) 2016 Intel Corporation
0006  *
0007  * This program is free software; you can redistribute it and/or modify it
0008  * under the terms and conditions of the GNU General Public License,
0009  * version 2, as published by the Free Software Foundation.
0010  *
0011  * This program is distributed in the hope it will be useful, but WITHOUT
0012  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0013  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
0014  * more details.
0015  */
0016
0017 #ifndef _UAPI_LINUX_VTPM_PROXY_H
0018 #define _UAPI_LINUX_VTPM_PROXY_H
0019
0020 #include <linux/types.h>
0021 #include <linux/ioctl.h>
0022
0023 /**
0024  * enum vtpm_proxy_flags - flags for the proxy TPM
0025  * @VTPM_PROXY_FLAG_TPM2:   the proxy TPM uses TPM 2.0 protocol
0026  */
0027 enum vtpm_proxy_flags {
0028     VTPM_PROXY_FLAG_TPM2    = 1,
0029 };
0030
0031 /**
0032  * struct vtpm_proxy_new_dev - parameter structure for the
0033  *                             %VTPM_PROXY_IOC_NEW_DEV ioctl
0034  * @flags:  flags for the proxy TPM
0035  * @tpm_num:    index of the TPM device
0036  * @fd:     the file descriptor used by the proxy TPM
0037  * @major:  the major number of the TPM device
0038  * @minor:  the minor number of the TPM device
0039  */
0040 struct vtpm_proxy_new_dev {
0041     __u32 flags;         /* input */
0042     __u32 tpm_num;       /* output */
0043     __u32 fd;            /* output */
0044     __u32 major;         /* output */
0045     __u32 minor;         /* output */
0046 };
0047
0048 #define VTPM_PROXY_IOC_NEW_DEV  _IOWR(0xa1, 0x00, struct vtpm_proxy_new_dev)
0049
0050 /* vendor specific commands to set locality */
0051 #define TPM2_CC_SET_LOCALITY    0x20001000
0052 #define TPM_ORD_SET_LOCALITY    0x20001000
0053
0054 #endif /* _UAPI_LINUX_VTPM_PROXY_H */