1948c090dSVarun Wadekar /* 29edac047SDavid Cunado * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. 3948c090dSVarun Wadekar * 4*82cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause 5948c090dSVarun Wadekar */ 6948c090dSVarun Wadekar 7948c090dSVarun Wadekar #ifndef __LIB_SM_SMCALL_H 8948c090dSVarun Wadekar #define __LIB_SM_SMCALL_H 9948c090dSVarun Wadekar 10948c090dSVarun Wadekar #define SMC_NUM_ENTITIES 64 11948c090dSVarun Wadekar #define SMC_NUM_ARGS 4 12948c090dSVarun Wadekar #define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1) 13948c090dSVarun Wadekar 14948c090dSVarun Wadekar #define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000) 15948c090dSVarun Wadekar #define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000) 16948c090dSVarun Wadekar #define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000) >> 24) 17948c090dSVarun Wadekar #define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFF) 18948c090dSVarun Wadekar 199edac047SDavid Cunado #define SMC_NR(entity, fn, fastcall, smc64) \ 209edac047SDavid Cunado (((((unsigned int) (fastcall)) & 0x1) << 31) | \ 21948c090dSVarun Wadekar (((smc64) & 0x1) << 30) | \ 22948c090dSVarun Wadekar (((entity) & 0x3F) << 24) | \ 23948c090dSVarun Wadekar ((fn) & 0xFFFF) \ 24948c090dSVarun Wadekar ) 25948c090dSVarun Wadekar 26948c090dSVarun Wadekar #define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1, 0) 27948c090dSVarun Wadekar #define SMC_STDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0) 28948c090dSVarun Wadekar #define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1) 29948c090dSVarun Wadekar #define SMC_STDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0, 1) 30948c090dSVarun Wadekar 31948c090dSVarun Wadekar #define SMC_ENTITY_ARCH 0 /* ARM Architecture calls */ 32948c090dSVarun Wadekar #define SMC_ENTITY_CPU 1 /* CPU Service calls */ 33948c090dSVarun Wadekar #define SMC_ENTITY_SIP 2 /* SIP Service calls */ 34948c090dSVarun Wadekar #define SMC_ENTITY_OEM 3 /* OEM Service calls */ 35948c090dSVarun Wadekar #define SMC_ENTITY_STD 4 /* Standard Service calls */ 36948c090dSVarun Wadekar #define SMC_ENTITY_RESERVED 5 /* Reserved for future use */ 37948c090dSVarun Wadekar #define SMC_ENTITY_TRUSTED_APP 48 /* Trusted Application calls */ 38948c090dSVarun Wadekar #define SMC_ENTITY_TRUSTED_OS 50 /* Trusted OS calls */ 39948c090dSVarun Wadekar #define SMC_ENTITY_LOGGING 51 /* Used for secure -> nonsecure logging */ 40948c090dSVarun Wadekar #define SMC_ENTITY_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */ 41948c090dSVarun Wadekar 42948c090dSVarun Wadekar /* FC = Fast call, SC = Standard call */ 43948c090dSVarun Wadekar #define SMC_SC_RESTART_LAST SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 44948c090dSVarun Wadekar #define SMC_SC_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) 45948c090dSVarun Wadekar 46948c090dSVarun Wadekar /* 47948c090dSVarun Wadekar * Return from secure os to non-secure os with return value in r1 48948c090dSVarun Wadekar */ 49948c090dSVarun Wadekar #define SMC_SC_NS_RETURN SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 50948c090dSVarun Wadekar 51948c090dSVarun Wadekar #define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 52948c090dSVarun Wadekar #define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) 53948c090dSVarun Wadekar #define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2) 54948c090dSVarun Wadekar #define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3) 55948c090dSVarun Wadekar #define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4) 56948c090dSVarun Wadekar 57948c090dSVarun Wadekar #define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5) 58948c090dSVarun Wadekar #define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6) 59948c090dSVarun Wadekar 60948c090dSVarun Wadekar #define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7) 61948c090dSVarun Wadekar #define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8) 62948c090dSVarun Wadekar 63948c090dSVarun Wadekar #define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9) 64948c090dSVarun Wadekar #define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10) 65948c090dSVarun Wadekar 66948c090dSVarun Wadekar /* Trusted OS entity calls */ 67948c090dSVarun Wadekar #define SMC_SC_VIRTIO_GET_DESCR SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20) 68948c090dSVarun Wadekar #define SMC_SC_VIRTIO_START SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21) 69948c090dSVarun Wadekar #define SMC_SC_VIRTIO_STOP SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22) 70948c090dSVarun Wadekar 71948c090dSVarun Wadekar #define SMC_SC_VDEV_RESET SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23) 72948c090dSVarun Wadekar #define SMC_SC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24) 730e1f9e31SVarun Wadekar #define SMC_SC_SET_ROT_PARAMS SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535) 74948c090dSVarun Wadekar 75948c090dSVarun Wadekar #endif /* __LIB_SM_SMCALL_H */ 76