mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
262 lines
7.2 KiB
C
262 lines
7.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
|
|
/*
|
|
* Userspace interface for AMD Secure Encrypted Virtualization (SEV)
|
|
* platform management commands.
|
|
*
|
|
* Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
|
|
*
|
|
* Author: Brijesh Singh <brijesh.singh@amd.com>
|
|
*
|
|
* SEV API specification is available at: https://developer.amd.com/sev/
|
|
*/
|
|
|
|
#ifndef __PSP_SEV_USER_H__
|
|
#define __PSP_SEV_USER_H__
|
|
|
|
#include <linux/types.h>
|
|
|
|
/**
|
|
* SEV platform commands
|
|
*/
|
|
enum {
|
|
SEV_FACTORY_RESET = 0,
|
|
SEV_PLATFORM_STATUS,
|
|
SEV_PEK_GEN,
|
|
SEV_PEK_CSR,
|
|
SEV_PDH_GEN,
|
|
SEV_PDH_CERT_EXPORT,
|
|
SEV_PEK_CERT_IMPORT,
|
|
SEV_GET_ID, /* This command is deprecated, use SEV_GET_ID2 */
|
|
SEV_GET_ID2,
|
|
SNP_PLATFORM_STATUS,
|
|
SNP_COMMIT,
|
|
SNP_SET_CONFIG,
|
|
SNP_VLEK_LOAD,
|
|
|
|
SEV_MAX,
|
|
};
|
|
|
|
/**
|
|
* SEV Firmware status code
|
|
*/
|
|
typedef enum {
|
|
/*
|
|
* This error code is not in the SEV spec. Its purpose is to convey that
|
|
* there was an error that prevented the SEV firmware from being called.
|
|
* The SEV API error codes are 16 bits, so the -1 value will not overlap
|
|
* with possible values from the specification.
|
|
*/
|
|
SEV_RET_NO_FW_CALL = -1,
|
|
SEV_RET_SUCCESS = 0,
|
|
SEV_RET_INVALID_PLATFORM_STATE,
|
|
SEV_RET_INVALID_GUEST_STATE,
|
|
SEV_RET_INAVLID_CONFIG,
|
|
SEV_RET_INVALID_CONFIG = SEV_RET_INAVLID_CONFIG,
|
|
SEV_RET_INVALID_LEN,
|
|
SEV_RET_ALREADY_OWNED,
|
|
SEV_RET_INVALID_CERTIFICATE,
|
|
SEV_RET_POLICY_FAILURE,
|
|
SEV_RET_INACTIVE,
|
|
SEV_RET_INVALID_ADDRESS,
|
|
SEV_RET_BAD_SIGNATURE,
|
|
SEV_RET_BAD_MEASUREMENT,
|
|
SEV_RET_ASID_OWNED,
|
|
SEV_RET_INVALID_ASID,
|
|
SEV_RET_WBINVD_REQUIRED,
|
|
SEV_RET_DFFLUSH_REQUIRED,
|
|
SEV_RET_INVALID_GUEST,
|
|
SEV_RET_INVALID_COMMAND,
|
|
SEV_RET_ACTIVE,
|
|
SEV_RET_HWSEV_RET_PLATFORM,
|
|
SEV_RET_HWSEV_RET_UNSAFE,
|
|
SEV_RET_UNSUPPORTED,
|
|
SEV_RET_INVALID_PARAM,
|
|
SEV_RET_RESOURCE_LIMIT,
|
|
SEV_RET_SECURE_DATA_INVALID,
|
|
SEV_RET_INVALID_KEY = 0x27,
|
|
SEV_RET_INVALID_PAGE_SIZE,
|
|
SEV_RET_INVALID_PAGE_STATE,
|
|
SEV_RET_INVALID_MDATA_ENTRY,
|
|
SEV_RET_INVALID_PAGE_OWNER,
|
|
SEV_RET_INVALID_PAGE_AEAD_OFLOW,
|
|
SEV_RET_RMP_INIT_REQUIRED,
|
|
SEV_RET_MAX,
|
|
} sev_ret_code;
|
|
|
|
/**
|
|
* struct sev_user_data_status - PLATFORM_STATUS command parameters
|
|
*
|
|
* @major: major API version
|
|
* @minor: minor API version
|
|
* @state: platform state
|
|
* @flags: platform config flags
|
|
* @build: firmware build id for API version
|
|
* @guest_count: number of active guests
|
|
*/
|
|
struct sev_user_data_status {
|
|
__u8 api_major; /* Out */
|
|
__u8 api_minor; /* Out */
|
|
__u8 state; /* Out */
|
|
__u32 flags; /* Out */
|
|
__u8 build; /* Out */
|
|
__u32 guest_count; /* Out */
|
|
} __attribute__((packed));
|
|
|
|
#define SEV_STATUS_FLAGS_CONFIG_ES 0x0100
|
|
|
|
/**
|
|
* struct sev_user_data_pek_csr - PEK_CSR command parameters
|
|
*
|
|
* @address: PEK certificate chain
|
|
* @length: length of certificate
|
|
*/
|
|
struct sev_user_data_pek_csr {
|
|
__u64 address; /* In */
|
|
__u32 length; /* In/Out */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_cert_import - PEK_CERT_IMPORT command parameters
|
|
*
|
|
* @pek_address: PEK certificate chain
|
|
* @pek_len: length of PEK certificate
|
|
* @oca_address: OCA certificate chain
|
|
* @oca_len: length of OCA certificate
|
|
*/
|
|
struct sev_user_data_pek_cert_import {
|
|
__u64 pek_cert_address; /* In */
|
|
__u32 pek_cert_len; /* In */
|
|
__u64 oca_cert_address; /* In */
|
|
__u32 oca_cert_len; /* In */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_pdh_cert_export - PDH_CERT_EXPORT command parameters
|
|
*
|
|
* @pdh_address: PDH certificate address
|
|
* @pdh_len: length of PDH certificate
|
|
* @cert_chain_address: PDH certificate chain
|
|
* @cert_chain_len: length of PDH certificate chain
|
|
*/
|
|
struct sev_user_data_pdh_cert_export {
|
|
__u64 pdh_cert_address; /* In */
|
|
__u32 pdh_cert_len; /* In/Out */
|
|
__u64 cert_chain_address; /* In */
|
|
__u32 cert_chain_len; /* In/Out */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_get_id - GET_ID command parameters (deprecated)
|
|
*
|
|
* @socket1: Buffer to pass unique ID of first socket
|
|
* @socket2: Buffer to pass unique ID of second socket
|
|
*/
|
|
struct sev_user_data_get_id {
|
|
__u8 socket1[64]; /* Out */
|
|
__u8 socket2[64]; /* Out */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_get_id2 - GET_ID command parameters
|
|
* @address: Buffer to store unique ID
|
|
* @length: length of the unique ID
|
|
*/
|
|
struct sev_user_data_get_id2 {
|
|
__u64 address; /* In */
|
|
__u32 length; /* In/Out */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_snp_status - SNP status
|
|
*
|
|
* @api_major: API major version
|
|
* @api_minor: API minor version
|
|
* @state: current platform state
|
|
* @is_rmp_initialized: whether RMP is initialized or not
|
|
* @rsvd: reserved
|
|
* @build_id: firmware build id for the API version
|
|
* @mask_chip_id: whether chip id is present in attestation reports or not
|
|
* @mask_chip_key: whether attestation reports are signed or not
|
|
* @vlek_en: VLEK (Version Loaded Endorsement Key) hashstick is loaded
|
|
* @rsvd1: reserved
|
|
* @guest_count: the number of guest currently managed by the firmware
|
|
* @current_tcb_version: current TCB version
|
|
* @reported_tcb_version: reported TCB version
|
|
*/
|
|
struct sev_user_data_snp_status {
|
|
__u8 api_major; /* Out */
|
|
__u8 api_minor; /* Out */
|
|
__u8 state; /* Out */
|
|
__u8 is_rmp_initialized:1; /* Out */
|
|
__u8 rsvd:7;
|
|
__u32 build_id; /* Out */
|
|
__u32 mask_chip_id:1; /* Out */
|
|
__u32 mask_chip_key:1; /* Out */
|
|
__u32 vlek_en:1; /* Out */
|
|
__u32 rsvd1:29;
|
|
__u32 guest_count; /* Out */
|
|
__u64 current_tcb_version; /* Out */
|
|
__u64 reported_tcb_version; /* Out */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_snp_config - system wide configuration value for SNP.
|
|
*
|
|
* @reported_tcb: the TCB version to report in the guest attestation report.
|
|
* @mask_chip_id: whether chip id is present in attestation reports or not
|
|
* @mask_chip_key: whether attestation reports are signed or not
|
|
* @rsvd: reserved
|
|
* @rsvd1: reserved
|
|
*/
|
|
struct sev_user_data_snp_config {
|
|
__u64 reported_tcb ; /* In */
|
|
__u32 mask_chip_id:1; /* In */
|
|
__u32 mask_chip_key:1; /* In */
|
|
__u32 rsvd:30; /* In */
|
|
__u8 rsvd1[52];
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_data_snp_vlek_load - SNP_VLEK_LOAD structure
|
|
*
|
|
* @len: length of the command buffer read by the PSP
|
|
* @vlek_wrapped_version: version of wrapped VLEK hashstick (Must be 0h)
|
|
* @rsvd: reserved
|
|
* @vlek_wrapped_address: address of a wrapped VLEK hashstick
|
|
* (struct sev_user_data_snp_wrapped_vlek_hashstick)
|
|
*/
|
|
struct sev_user_data_snp_vlek_load {
|
|
__u32 len; /* In */
|
|
__u8 vlek_wrapped_version; /* In */
|
|
__u8 rsvd[3]; /* In */
|
|
__u64 vlek_wrapped_address; /* In */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_user_data_snp_vlek_wrapped_vlek_hashstick - Wrapped VLEK data
|
|
*
|
|
* @data: Opaque data provided by AMD KDS (as described in SEV-SNP Firmware ABI
|
|
* 1.54, SNP_VLEK_LOAD)
|
|
*/
|
|
struct sev_user_data_snp_wrapped_vlek_hashstick {
|
|
__u8 data[432]; /* In */
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* struct sev_issue_cmd - SEV ioctl parameters
|
|
*
|
|
* @cmd: SEV commands to execute
|
|
* @opaque: pointer to the command structure
|
|
* @error: SEV FW return code on failure
|
|
*/
|
|
struct sev_issue_cmd {
|
|
__u32 cmd; /* In */
|
|
__u64 data; /* In */
|
|
__u32 error; /* Out */
|
|
} __attribute__((packed));
|
|
|
|
#define SEV_IOC_TYPE 'S'
|
|
#define SEV_ISSUE_CMD _IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd)
|
|
|
|
#endif /* __PSP_USER_SEV_H */
|