1*948c090dSVarun Wadekar /* 2*948c090dSVarun Wadekar * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 3*948c090dSVarun Wadekar * 4*948c090dSVarun Wadekar * Redistribution and use in source and binary forms, with or without 5*948c090dSVarun Wadekar * modification, are permitted provided that the following conditions are met: 6*948c090dSVarun Wadekar * 7*948c090dSVarun Wadekar * Redistributions of source code must retain the above copyright notice, this 8*948c090dSVarun Wadekar * list of conditions and the following disclaimer. 9*948c090dSVarun Wadekar * 10*948c090dSVarun Wadekar * Redistributions in binary form must reproduce the above copyright notice, 11*948c090dSVarun Wadekar * this list of conditions and the following disclaimer in the documentation 12*948c090dSVarun Wadekar * and/or other materials provided with the distribution. 13*948c090dSVarun Wadekar * 14*948c090dSVarun Wadekar * Neither the name of ARM nor the names of its contributors may be used 15*948c090dSVarun Wadekar * to endorse or promote products derived from this software without specific 16*948c090dSVarun Wadekar * prior written permission. 17*948c090dSVarun Wadekar * 18*948c090dSVarun Wadekar * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19*948c090dSVarun Wadekar * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*948c090dSVarun Wadekar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*948c090dSVarun Wadekar * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22*948c090dSVarun Wadekar * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23*948c090dSVarun Wadekar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24*948c090dSVarun Wadekar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25*948c090dSVarun Wadekar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26*948c090dSVarun Wadekar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27*948c090dSVarun Wadekar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28*948c090dSVarun Wadekar * POSSIBILITY OF SUCH DAMAGE. 29*948c090dSVarun Wadekar */ 30*948c090dSVarun Wadekar 31*948c090dSVarun Wadekar #ifndef __LIB_SM_SMCALL_H 32*948c090dSVarun Wadekar #define __LIB_SM_SMCALL_H 33*948c090dSVarun Wadekar 34*948c090dSVarun Wadekar #define SMC_NUM_ENTITIES 64 35*948c090dSVarun Wadekar #define SMC_NUM_ARGS 4 36*948c090dSVarun Wadekar #define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1) 37*948c090dSVarun Wadekar 38*948c090dSVarun Wadekar #define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000) 39*948c090dSVarun Wadekar #define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000) 40*948c090dSVarun Wadekar #define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000) >> 24) 41*948c090dSVarun Wadekar #define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFF) 42*948c090dSVarun Wadekar 43*948c090dSVarun Wadekar #define SMC_NR(entity, fn, fastcall, smc64) ((((fastcall) & 0x1) << 31) | \ 44*948c090dSVarun Wadekar (((smc64) & 0x1) << 30) | \ 45*948c090dSVarun Wadekar (((entity) & 0x3F) << 24) | \ 46*948c090dSVarun Wadekar ((fn) & 0xFFFF) \ 47*948c090dSVarun Wadekar ) 48*948c090dSVarun Wadekar 49*948c090dSVarun Wadekar #define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1, 0) 50*948c090dSVarun Wadekar #define SMC_STDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0) 51*948c090dSVarun Wadekar #define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1) 52*948c090dSVarun Wadekar #define SMC_STDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0, 1) 53*948c090dSVarun Wadekar 54*948c090dSVarun Wadekar #define SMC_ENTITY_ARCH 0 /* ARM Architecture calls */ 55*948c090dSVarun Wadekar #define SMC_ENTITY_CPU 1 /* CPU Service calls */ 56*948c090dSVarun Wadekar #define SMC_ENTITY_SIP 2 /* SIP Service calls */ 57*948c090dSVarun Wadekar #define SMC_ENTITY_OEM 3 /* OEM Service calls */ 58*948c090dSVarun Wadekar #define SMC_ENTITY_STD 4 /* Standard Service calls */ 59*948c090dSVarun Wadekar #define SMC_ENTITY_RESERVED 5 /* Reserved for future use */ 60*948c090dSVarun Wadekar #define SMC_ENTITY_TRUSTED_APP 48 /* Trusted Application calls */ 61*948c090dSVarun Wadekar #define SMC_ENTITY_TRUSTED_OS 50 /* Trusted OS calls */ 62*948c090dSVarun Wadekar #define SMC_ENTITY_LOGGING 51 /* Used for secure -> nonsecure logging */ 63*948c090dSVarun Wadekar #define SMC_ENTITY_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */ 64*948c090dSVarun Wadekar 65*948c090dSVarun Wadekar /* FC = Fast call, SC = Standard call */ 66*948c090dSVarun Wadekar #define SMC_SC_RESTART_LAST SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 67*948c090dSVarun Wadekar #define SMC_SC_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) 68*948c090dSVarun Wadekar 69*948c090dSVarun Wadekar /* 70*948c090dSVarun Wadekar * Return from secure os to non-secure os with return value in r1 71*948c090dSVarun Wadekar */ 72*948c090dSVarun Wadekar #define SMC_SC_NS_RETURN SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 73*948c090dSVarun Wadekar 74*948c090dSVarun Wadekar #define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) 75*948c090dSVarun Wadekar #define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) 76*948c090dSVarun Wadekar #define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2) 77*948c090dSVarun Wadekar #define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3) 78*948c090dSVarun Wadekar #define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4) 79*948c090dSVarun Wadekar 80*948c090dSVarun Wadekar #define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5) 81*948c090dSVarun Wadekar #define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6) 82*948c090dSVarun Wadekar 83*948c090dSVarun Wadekar #define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7) 84*948c090dSVarun Wadekar #define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8) 85*948c090dSVarun Wadekar 86*948c090dSVarun Wadekar #define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9) 87*948c090dSVarun Wadekar #define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10) 88*948c090dSVarun Wadekar 89*948c090dSVarun Wadekar /* Trusted OS entity calls */ 90*948c090dSVarun Wadekar #define SMC_SC_VIRTIO_GET_DESCR SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20) 91*948c090dSVarun Wadekar #define SMC_SC_VIRTIO_START SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21) 92*948c090dSVarun Wadekar #define SMC_SC_VIRTIO_STOP SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22) 93*948c090dSVarun Wadekar 94*948c090dSVarun Wadekar #define SMC_SC_VDEV_RESET SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23) 95*948c090dSVarun Wadekar #define SMC_SC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24) 96*948c090dSVarun Wadekar 97*948c090dSVarun Wadekar #endif /* __LIB_SM_SMCALL_H */ 98