/* * Copyright (c) 2013-2014 Google Inc. All rights reserved * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files * (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __LINUX_TRUSTY_SMCALL_H #define __LINUX_TRUSTY_SMCALL_H #define SMC_NUM_ENTITIES 64 #define SMC_NUM_ARGS 4 #define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1) #define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000) #define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000) #define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000) >> 24) #define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFF) #define SMC_NR(entity, fn, fastcall, smc64) ((((fastcall) & 0x1) << 31) | \ (((smc64) & 0x1) << 30) | \ (((entity) & 0x3F) << 24) | \ ((fn) & 0xFFFF) \ ) #define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1, 0) #define SMC_STDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0) #define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1) #define SMC_STDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0, 1) #define SMC_ENTITY_ARCH 0 /* ARM Architecture calls */ #define SMC_ENTITY_CPU 1 /* CPU Service calls */ #define SMC_ENTITY_SIP 2 /* SIP Service calls */ #define SMC_ENTITY_OEM 3 /* OEM Service calls */ #define SMC_ENTITY_STD 4 /* Standard Service calls */ #define SMC_ENTITY_RESERVED 5 /* Reserved for future use */ #define SMC_ENTITY_TRUSTED_APP 48 /* Trusted Application calls */ #define SMC_ENTITY_TRUSTED_OS 50 /* Trusted OS calls */ #define SMC_ENTITY_LOGGING 51 /* Used for secure -> nonsecure logging */ #define SMC_ENTITY_MT_TRUSTED_OS 59 /* MTK Trusted OS calls */ #define SMC_ENTITY_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */ /* FC = Fast call, SC = Standard call */ #define SMC_SC_RESTART_LAST SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) #define SMC_SC_LOCKED_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) /** * SMC_SC_RESTART_FIQ - Re-enter trusty after it was interrupted by an fiq * * No arguments, no return value. * * Re-enter trusty after returning to ns to process an fiq. Must be called iff * trusty returns SM_ERR_FIQ_INTERRUPTED. * * Enable by selecting api version TRUSTY_API_VERSION_RESTART_FIQ (1) or later. */ #define SMC_SC_RESTART_FIQ SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2) /** * SMC_SC_NOP - Enter trusty to run pending work. * * No arguments. * * Returns SM_ERR_NOP_INTERRUPTED or SM_ERR_NOP_DONE. * If SM_ERR_NOP_INTERRUPTED is returned, the call must be repeated. * * Enable by selecting api version TRUSTY_API_VERSION_SMP (2) or later. */ #define SMC_SC_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3) /* * Return from secure os to non-secure os with return value in r1 */ #define SMC_SC_NS_RETURN SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) #define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) #define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) #define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2) #define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3) #define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4) #define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5) #define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6) #define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7) #define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8) #define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9) #define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10) /** * SMC_FC_API_VERSION - Find and select supported API version. * * @r1: Version supported by client. * * Returns version supported by trusty. * * If multiple versions are supported, the client should start by calling * SMC_FC_API_VERSION with the largest version it supports. Trusty will then * return a version it supports. If the client does not support the version * returned by trusty and the version returned is less than the version * requested, repeat the call with the largest supported version less than the * last returned version. * * This call must be made before any calls that are affected by the api version. */ #define TRUSTY_API_VERSION_RESTART_FIQ (1) #define TRUSTY_API_VERSION_SMP (2) #define TRUSTY_API_VERSION_SMP_NOP (3) #define TRUSTY_API_VERSION_CURRENT (2) #define SMC_FC_API_VERSION SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 11) #define SMC_FC_FIQ_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 12) /* TRUSTED_OS entity calls */ #define SMC_SC_VIRTIO_GET_DESCR SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20) #define SMC_SC_VIRTIO_START SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21) #define SMC_SC_VIRTIO_STOP SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22) #define SMC_SC_VDEV_RESET SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23) #define SMC_SC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24) #define SMC_NC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 25) /* Debugging only */ #ifdef CONFIG_MT_TRUSTY_DEBUGFS #define MT_SMC_SC_ADD SMC_STDCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF00) #endif #define MT_SMC_FC_THREADS SMC_FASTCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF00) #define MT_SMC_FC_THREADSTATS SMC_FASTCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF01) #define MT_SMC_FC_THREADLOAD SMC_FASTCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF02) #define MT_SMC_FC_HEAP_DUMP SMC_FASTCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF03) #define MT_SMC_FC_APPS SMC_FASTCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF04) #ifdef CONFIG_MTK_ENABLE_GENIEZONE #define MT_SMC_SC_SET_RAMCONSOLE \ SMC_STDCALL_NR(SMC_ENTITY_MT_TRUSTED_OS, 0xFF80) #endif #endif /* __LINUX_TRUSTY_SMCALL_H */