19d8ad114SBrijesh Singh /* 29d8ad114SBrijesh Singh * Userspace interface for AMD Secure Encrypted Virtualization (SEV) 39d8ad114SBrijesh Singh * platform management commands. 49d8ad114SBrijesh Singh * 59d8ad114SBrijesh Singh * Copyright (C) 2016-2017 Advanced Micro Devices, Inc. 69d8ad114SBrijesh Singh * 79d8ad114SBrijesh Singh * Author: Brijesh Singh <brijesh.singh@amd.com> 89d8ad114SBrijesh Singh * 99d8ad114SBrijesh Singh * SEV spec 0.14 is available at: 109d8ad114SBrijesh Singh * http://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf 119d8ad114SBrijesh Singh * 129d8ad114SBrijesh Singh * This program is free software; you can redistribute it and/or modify 139d8ad114SBrijesh Singh * it under the terms of the GNU General Public License version 2 as 149d8ad114SBrijesh Singh * published by the Free Software Foundation. 159d8ad114SBrijesh Singh */ 169d8ad114SBrijesh Singh 179d8ad114SBrijesh Singh #ifndef __PSP_SEV_USER_H__ 189d8ad114SBrijesh Singh #define __PSP_SEV_USER_H__ 199d8ad114SBrijesh Singh 209d8ad114SBrijesh Singh #include <linux/types.h> 219d8ad114SBrijesh Singh 229d8ad114SBrijesh Singh /** 239d8ad114SBrijesh Singh * SEV platform commands 249d8ad114SBrijesh Singh */ 259d8ad114SBrijesh Singh enum { 269d8ad114SBrijesh Singh SEV_FACTORY_RESET = 0, 279d8ad114SBrijesh Singh SEV_PLATFORM_STATUS, 289d8ad114SBrijesh Singh SEV_PEK_GEN, 299d8ad114SBrijesh Singh SEV_PEK_CSR, 309d8ad114SBrijesh Singh SEV_PDH_GEN, 319d8ad114SBrijesh Singh SEV_PDH_CERT_EXPORT, 329d8ad114SBrijesh Singh SEV_PEK_CERT_IMPORT, 33*77d361b1SEric Auger SEV_GET_ID, 349d8ad114SBrijesh Singh 359d8ad114SBrijesh Singh SEV_MAX, 369d8ad114SBrijesh Singh }; 379d8ad114SBrijesh Singh 389d8ad114SBrijesh Singh /** 399d8ad114SBrijesh Singh * SEV Firmware status code 409d8ad114SBrijesh Singh */ 419d8ad114SBrijesh Singh typedef enum { 429d8ad114SBrijesh Singh SEV_RET_SUCCESS = 0, 439d8ad114SBrijesh Singh SEV_RET_INVALID_PLATFORM_STATE, 449d8ad114SBrijesh Singh SEV_RET_INVALID_GUEST_STATE, 459d8ad114SBrijesh Singh SEV_RET_INAVLID_CONFIG, 469d8ad114SBrijesh Singh SEV_RET_INVALID_LEN, 479d8ad114SBrijesh Singh SEV_RET_ALREADY_OWNED, 489d8ad114SBrijesh Singh SEV_RET_INVALID_CERTIFICATE, 499d8ad114SBrijesh Singh SEV_RET_POLICY_FAILURE, 509d8ad114SBrijesh Singh SEV_RET_INACTIVE, 519d8ad114SBrijesh Singh SEV_RET_INVALID_ADDRESS, 529d8ad114SBrijesh Singh SEV_RET_BAD_SIGNATURE, 539d8ad114SBrijesh Singh SEV_RET_BAD_MEASUREMENT, 549d8ad114SBrijesh Singh SEV_RET_ASID_OWNED, 559d8ad114SBrijesh Singh SEV_RET_INVALID_ASID, 569d8ad114SBrijesh Singh SEV_RET_WBINVD_REQUIRED, 579d8ad114SBrijesh Singh SEV_RET_DFFLUSH_REQUIRED, 589d8ad114SBrijesh Singh SEV_RET_INVALID_GUEST, 599d8ad114SBrijesh Singh SEV_RET_INVALID_COMMAND, 609d8ad114SBrijesh Singh SEV_RET_ACTIVE, 619d8ad114SBrijesh Singh SEV_RET_HWSEV_RET_PLATFORM, 629d8ad114SBrijesh Singh SEV_RET_HWSEV_RET_UNSAFE, 639d8ad114SBrijesh Singh SEV_RET_UNSUPPORTED, 649d8ad114SBrijesh Singh SEV_RET_MAX, 659d8ad114SBrijesh Singh } sev_ret_code; 669d8ad114SBrijesh Singh 679d8ad114SBrijesh Singh /** 689d8ad114SBrijesh Singh * struct sev_user_data_status - PLATFORM_STATUS command parameters 699d8ad114SBrijesh Singh * 709d8ad114SBrijesh Singh * @major: major API version 719d8ad114SBrijesh Singh * @minor: minor API version 729d8ad114SBrijesh Singh * @state: platform state 739d8ad114SBrijesh Singh * @flags: platform config flags 749d8ad114SBrijesh Singh * @build: firmware build id for API version 759d8ad114SBrijesh Singh * @guest_count: number of active guests 769d8ad114SBrijesh Singh */ 779d8ad114SBrijesh Singh struct sev_user_data_status { 789d8ad114SBrijesh Singh __u8 api_major; /* Out */ 799d8ad114SBrijesh Singh __u8 api_minor; /* Out */ 809d8ad114SBrijesh Singh __u8 state; /* Out */ 819d8ad114SBrijesh Singh __u32 flags; /* Out */ 829d8ad114SBrijesh Singh __u8 build; /* Out */ 839d8ad114SBrijesh Singh __u32 guest_count; /* Out */ 849d8ad114SBrijesh Singh } __attribute__((packed)); 859d8ad114SBrijesh Singh 869d8ad114SBrijesh Singh /** 879d8ad114SBrijesh Singh * struct sev_user_data_pek_csr - PEK_CSR command parameters 889d8ad114SBrijesh Singh * 899d8ad114SBrijesh Singh * @address: PEK certificate chain 909d8ad114SBrijesh Singh * @length: length of certificate 919d8ad114SBrijesh Singh */ 929d8ad114SBrijesh Singh struct sev_user_data_pek_csr { 939d8ad114SBrijesh Singh __u64 address; /* In */ 949d8ad114SBrijesh Singh __u32 length; /* In/Out */ 959d8ad114SBrijesh Singh } __attribute__((packed)); 969d8ad114SBrijesh Singh 979d8ad114SBrijesh Singh /** 989d8ad114SBrijesh Singh * struct sev_user_data_cert_import - PEK_CERT_IMPORT command parameters 999d8ad114SBrijesh Singh * 1009d8ad114SBrijesh Singh * @pek_address: PEK certificate chain 1019d8ad114SBrijesh Singh * @pek_len: length of PEK certificate 1029d8ad114SBrijesh Singh * @oca_address: OCA certificate chain 1039d8ad114SBrijesh Singh * @oca_len: length of OCA certificate 1049d8ad114SBrijesh Singh */ 1059d8ad114SBrijesh Singh struct sev_user_data_pek_cert_import { 1069d8ad114SBrijesh Singh __u64 pek_cert_address; /* In */ 1079d8ad114SBrijesh Singh __u32 pek_cert_len; /* In */ 1089d8ad114SBrijesh Singh __u64 oca_cert_address; /* In */ 1099d8ad114SBrijesh Singh __u32 oca_cert_len; /* In */ 1109d8ad114SBrijesh Singh } __attribute__((packed)); 1119d8ad114SBrijesh Singh 1129d8ad114SBrijesh Singh /** 1139d8ad114SBrijesh Singh * struct sev_user_data_pdh_cert_export - PDH_CERT_EXPORT command parameters 1149d8ad114SBrijesh Singh * 1159d8ad114SBrijesh Singh * @pdh_address: PDH certificate address 1169d8ad114SBrijesh Singh * @pdh_len: length of PDH certificate 1179d8ad114SBrijesh Singh * @cert_chain_address: PDH certificate chain 1189d8ad114SBrijesh Singh * @cert_chain_len: length of PDH certificate chain 1199d8ad114SBrijesh Singh */ 1209d8ad114SBrijesh Singh struct sev_user_data_pdh_cert_export { 1219d8ad114SBrijesh Singh __u64 pdh_cert_address; /* In */ 1229d8ad114SBrijesh Singh __u32 pdh_cert_len; /* In/Out */ 1239d8ad114SBrijesh Singh __u64 cert_chain_address; /* In */ 1249d8ad114SBrijesh Singh __u32 cert_chain_len; /* In/Out */ 1259d8ad114SBrijesh Singh } __attribute__((packed)); 1269d8ad114SBrijesh Singh 1279d8ad114SBrijesh Singh /** 128*77d361b1SEric Auger * struct sev_user_data_get_id - GET_ID command parameters 129*77d361b1SEric Auger * 130*77d361b1SEric Auger * @socket1: Buffer to pass unique ID of first socket 131*77d361b1SEric Auger * @socket2: Buffer to pass unique ID of second socket 132*77d361b1SEric Auger */ 133*77d361b1SEric Auger struct sev_user_data_get_id { 134*77d361b1SEric Auger __u8 socket1[64]; /* Out */ 135*77d361b1SEric Auger __u8 socket2[64]; /* Out */ 136*77d361b1SEric Auger } __attribute__((packed)); 137*77d361b1SEric Auger 138*77d361b1SEric Auger /** 1399d8ad114SBrijesh Singh * struct sev_issue_cmd - SEV ioctl parameters 1409d8ad114SBrijesh Singh * 1419d8ad114SBrijesh Singh * @cmd: SEV commands to execute 1429d8ad114SBrijesh Singh * @opaque: pointer to the command structure 1439d8ad114SBrijesh Singh * @error: SEV FW return code on failure 1449d8ad114SBrijesh Singh */ 1459d8ad114SBrijesh Singh struct sev_issue_cmd { 1469d8ad114SBrijesh Singh __u32 cmd; /* In */ 1479d8ad114SBrijesh Singh __u64 data; /* In */ 1489d8ad114SBrijesh Singh __u32 error; /* Out */ 1499d8ad114SBrijesh Singh } __attribute__((packed)); 1509d8ad114SBrijesh Singh 1519d8ad114SBrijesh Singh #define SEV_IOC_TYPE 'S' 1529d8ad114SBrijesh Singh #define SEV_ISSUE_CMD _IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd) 1539d8ad114SBrijesh Singh 1549d8ad114SBrijesh Singh #endif /* __PSP_USER_SEV_H */ 155