1*6a88ec8bSRaghu Krishnamurthy /* 2*6a88ec8bSRaghu Krishnamurthy * Copyright (c) 2024, NVIDIA Corporation. All rights reserved. 3*6a88ec8bSRaghu Krishnamurthy * 4*6a88ec8bSRaghu Krishnamurthy * SPDX-License-Identifier: BSD-3-Clause 5*6a88ec8bSRaghu Krishnamurthy */ 6*6a88ec8bSRaghu Krishnamurthy 7*6a88ec8bSRaghu Krishnamurthy #ifndef RMM_EL3_TOKEN_SIGN_H 8*6a88ec8bSRaghu Krishnamurthy #define RMM_EL3_TOKEN_SIGN_H 9*6a88ec8bSRaghu Krishnamurthy 10*6a88ec8bSRaghu Krishnamurthy #include <stdint.h> 11*6a88ec8bSRaghu Krishnamurthy #include <lib/cassert.h> 12*6a88ec8bSRaghu Krishnamurthy #include <services/rmmd_svc.h> 13*6a88ec8bSRaghu Krishnamurthy 14*6a88ec8bSRaghu Krishnamurthy /* 15*6a88ec8bSRaghu Krishnamurthy * Defines member of structure and reserves space 16*6a88ec8bSRaghu Krishnamurthy * for the next member with specified offset. 17*6a88ec8bSRaghu Krishnamurthy */ 18*6a88ec8bSRaghu Krishnamurthy /* cppcheck-suppress [misra-c2012-20.7] */ 19*6a88ec8bSRaghu Krishnamurthy #define SET_MEMBER(member, start, end) \ 20*6a88ec8bSRaghu Krishnamurthy union { \ 21*6a88ec8bSRaghu Krishnamurthy member; \ 22*6a88ec8bSRaghu Krishnamurthy unsigned char reserved##end[((end) - (start))]; \ 23*6a88ec8bSRaghu Krishnamurthy } 24*6a88ec8bSRaghu Krishnamurthy 25*6a88ec8bSRaghu Krishnamurthy #define EL3_TOKEN_RESPONSE_MAX_SIG_LEN U(512) 26*6a88ec8bSRaghu Krishnamurthy 27*6a88ec8bSRaghu Krishnamurthy struct el3_token_sign_request { 28*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint32_t sig_alg_id, 0x0, 0x8); 29*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint64_t rec_granule, 0x8, 0x10); 30*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint64_t req_ticket, 0x10, 0x18); 31*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint32_t hash_alg_id, 0x18, 0x20); 32*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint8_t hash_buf[SHA512_DIGEST_SIZE], 0x20, 0x60); 33*6a88ec8bSRaghu Krishnamurthy }; 34*6a88ec8bSRaghu Krishnamurthy 35*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_request, sig_alg_id) == 0x0U, 36*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_request_sig_alg_mismatch); 37*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_request, rec_granule) == 0x8U, 38*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_request_rec_granule_mismatch); 39*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_request, req_ticket) == 0x10U, 40*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_request_req_ticket_mismatch); 41*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_request, hash_alg_id) == 0x18U, 42*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_request_hash_alg_id_mismatch); 43*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_request, hash_buf) == 0x20U, 44*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_request_hash_buf_mismatch); 45*6a88ec8bSRaghu Krishnamurthy 46*6a88ec8bSRaghu Krishnamurthy 47*6a88ec8bSRaghu Krishnamurthy struct el3_token_sign_response { 48*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint64_t rec_granule, 0x0, 0x8); 49*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint64_t req_ticket, 0x8, 0x10); 50*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint16_t sig_len, 0x10, 0x12); 51*6a88ec8bSRaghu Krishnamurthy SET_MEMBER(uint8_t signature_buf[EL3_TOKEN_RESPONSE_MAX_SIG_LEN], 0x12, 0x212); 52*6a88ec8bSRaghu Krishnamurthy }; 53*6a88ec8bSRaghu Krishnamurthy 54*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_response, rec_granule) == 0x0U, 55*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_resp_rec_granule_mismatch); 56*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_response, req_ticket) == 0x8U, 57*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_resp_req_ticket_mismatch); 58*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_response, sig_len) == 0x10U, 59*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_resp_sig_len_mismatch); 60*6a88ec8bSRaghu Krishnamurthy CASSERT(__builtin_offsetof(struct el3_token_sign_response, signature_buf) == 0x12U, 61*6a88ec8bSRaghu Krishnamurthy assert_el3_token_sign_resp_sig_buf_mismatch); 62*6a88ec8bSRaghu Krishnamurthy 63*6a88ec8bSRaghu Krishnamurthy #endif /* RMM_EL3_TOKEN_SIGN_H */ 64