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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* * Userspace interface for TDX guest driver * * Copyright (C) 2022 Intel Corporation */
#ifndef _UAPI_LINUX_TDX_GUEST_H_#define _UAPI_LINUX_TDX_GUEST_H_
#include <linux/ioctl.h>#include <linux/types.h>
/* Length of the REPORTDATA used in TDG.MR.REPORT TDCALL */#define TDX_REPORTDATA_LEN 64
/* Length of TDREPORT used in TDG.MR.REPORT TDCALL */#define TDX_REPORT_LEN 1024
/** * struct tdx_report_req - Request struct for TDX_CMD_GET_REPORT0 IOCTL. * * @reportdata: User buffer with REPORTDATA to be included into TDREPORT. * Typically it can be some nonce provided by attestation * service, so the generated TDREPORT can be uniquely verified. * @tdreport: User buffer to store TDREPORT output from TDCALL[TDG.MR.REPORT]. */struct tdx_report_req { __u8 reportdata[TDX_REPORTDATA_LEN]; __u8 tdreport[TDX_REPORT_LEN];};
/* * TDX_CMD_GET_REPORT0 - Get TDREPORT0 (a.k.a. TDREPORT subtype 0) using * TDCALL[TDG.MR.REPORT] * * Return 0 on success, -EIO on TDCALL execution failure, and * standard errno on other general error cases. */#define TDX_CMD_GET_REPORT0 _IOWR('T', 1, struct tdx_report_req)
#endif /* _UAPI_LINUX_TDX_GUEST_H_ */