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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_PAPR_PHYSICAL_ATTESTATION_H_
#define _UAPI_PAPR_PHYSICAL_ATTESTATION_H_
#include <linux/types.h>
#include <asm/ioctl.h>
#include <asm/papr-miscdev.h>
#define PAPR_PHYATTEST_MAX_INPUT 4084 /* Max 4K buffer: 4K-12 */
/*
* Defined in PAPR 2.13+ 21.6 Attestation Command Structures.
* User space pass this struct and the max size should be 4K.
*/
struct papr_phy_attest_io_block {
__u8 version;
__u8 command;
__u8 TCG_major_ver;
__u8 TCG_minor_ver;
__be32 length;
__be32 correlator;
__u8 payload[PAPR_PHYATTEST_MAX_INPUT];
};
/*
* ioctl for /dev/papr-physical-attestation. Returns a attestation
* command fd handle
*/
#define PAPR_PHY_ATTEST_IOC_HANDLE _IOW(PAPR_MISCDEV_IOC_ID, 8, struct papr_phy_attest_io_block)
#endif /* _UAPI_PAPR_PHYSICAL_ATTESTATION_H_ */
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