1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI_PAPR_PHYSICAL_ATTESTATION_H_ 3 #define _UAPI_PAPR_PHYSICAL_ATTESTATION_H_ 4 5 #include <linux/types.h> 6 #include <asm/ioctl.h> 7 #include <asm/papr-miscdev.h> 8 9 #define PAPR_PHYATTEST_MAX_INPUT 4084 /* Max 4K buffer: 4K-12 */ 10 11 /* 12 * Defined in PAPR 2.13+ 21.6 Attestation Command Structures. 13 * User space pass this struct and the max size should be 4K. 14 */ 15 struct papr_phy_attest_io_block { 16 __u8 version; 17 __u8 command; 18 __u8 TCG_major_ver; 19 __u8 TCG_minor_ver; 20 __be32 length; 21 __be32 correlator; 22 __u8 payload[PAPR_PHYATTEST_MAX_INPUT]; 23 }; 24 25 /* 26 * ioctl for /dev/papr-physical-attestation. Returns a attestation 27 * command fd handle 28 */ 29 #define PAPR_PHY_ATTEST_IOC_HANDLE _IOW(PAPR_MISCDEV_IOC_ID, 8, struct papr_phy_attest_io_block) 30 31 #endif /* _UAPI_PAPR_PHYSICAL_ATTESTATION_H_ */ 32