/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Definitions for the VTPM proxy driver
* Copyright (c) 2015, 2016, IBM Corporation
* Copyright (C) 2016 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _LINUX_VTPM_PROXY_H
#define _LINUX_VTPM_PROXY_H
#include <linux/types.h>
#include <linux/ioctl.h>
/**
* enum vtpm_proxy_flags - flags for the proxy TPM
* @VTPM_PROXY_FLAG_TPM2: the proxy TPM uses TPM 2.0 protocol
*/
enum vtpm_proxy_flags {
VTPM_PROXY_FLAG_TPM2 = 1,
};
/**
* struct vtpm_proxy_new_dev - parameter structure for the
* %VTPM_PROXY_IOC_NEW_DEV ioctl
* @flags: flags for the proxy TPM
* @tpm_num: index of the TPM device
* @fd: the file descriptor used by the proxy TPM
* @major: the major number of the TPM device
* @minor: the minor number of the TPM device
*/
struct vtpm_proxy_new_dev {
__u32 flags; /* input */
__u32 tpm_num; /* output */
__u32 fd; /* output */
__u32 major; /* output */
__u32 minor; /* output */
};
#define VTPM_PROXY_IOC_NEW_DEV _IOWR(0xa1, 0x00, struct vtpm_proxy_new_dev)
/* vendor specific commands to set locality */
#define TPM2_CC_SET_LOCALITY 0x20001000
#define TPM_ORD_SET_LOCALITY 0x20001000
#endif /* _LINUX_VTPM_PROXY_H */