1 /* 2 * Copyright (c) 2021, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 */ 7 8 #ifndef __SERVICE_DEFS_H__ 9 #define __SERVICE_DEFS_H__ 10 11 #include <stdint.h> 12 #include "config_impl.h" 13 #include "psa/service.h" 14 15 /* 16 * Service load data - flags 17 * bit 7-0: stateless handle index 18 * bit 8: 1 - NS accessible, 0 - NS not accessible 19 * bit 9: 1 - stateless, 0 - connection-based 20 * bit 10: 1 - strict version policy, 0 - relaxed version policy 21 * bit 11: 1 - MM-IOVEC enabled, 0 - MM-IOVEC disabled 22 */ 23 #define SERVICE_FLAG_STATELESS_HINDEX_MASK (0xFF) 24 #define SERVICE_FLAG_NS_ACCESSIBLE (1U << 8) 25 #define SERVICE_FLAG_STATELESS (1U << 9) 26 27 #define SERVICE_FLAG_VERSION_POLICY_BIT (1U << 10) 28 #define SERVICE_VERSION_POLICY_RELAXED (0U << 10) 29 #define SERVICE_VERSION_POLICY_STRICT (1U << 10) 30 #define SERVICE_FLAG_MM_IOVEC (1U << 11) 31 32 #define SERVICE_GET_STATELESS_HINDEX(flag) \ 33 ((flag) & SERVICE_FLAG_STATELESS_HINDEX_MASK) 34 #define SERVICE_IS_NS_ACCESSIBLE(flag) \ 35 ((flag) & SERVICE_FLAG_NS_ACCESSIBLE) 36 #define SERVICE_IS_STATELESS(flag) \ 37 ((flag) & SERVICE_FLAG_STATELESS) 38 #define SERVICE_GET_VERSION_POLICY(flag) \ 39 ((flag) & SERVICE_FLAG_VERSION_POLICY_BIT) 40 #define SERVICE_ENABLED_MM_IOVEC(flag) \ 41 ((flag) & SERVICE_FLAG_MM_IOVEC) 42 43 #define STRID_TO_STRING_PTR(strid) (const char *)(strid) 44 #define STRING_PTR_TO_STRID(str) (uintptr_t)(str) 45 46 /* Common service structure type */ 47 struct service_load_info_t { 48 uintptr_t name_strid; /* String ID for name */ 49 uint32_t sid; /* Service ID */ 50 uint32_t flags; /* Flags */ 51 uint32_t version; /* Service version */ 52 uintptr_t sfn; /* Secure Function */ 53 #if CONFIG_TFM_SPM_BACKEND_IPC == 1 54 psa_signal_t signal; /* Service signal */ 55 #endif 56 } __attribute__((aligned(4))); 57 58 #endif /* __SERVICE_DEFS_H__ */ 59
