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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 QL_TIPC_SMCALL_H_
#define QL_TIPC_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)
/* ARM Architecture calls */
#define SMC_ENTITY_ARCH 0
/* CPU Service calls */
#define SMC_ENTITY_CPU 1
/* SIP Service calls */
#define SMC_ENTITY_SIP 2
/* OEM Service calls */
#define SMC_ENTITY_OEM 3
/* Standard Service calls */
#define SMC_ENTITY_STD 4
/* Reserved for future use */
#define SMC_ENTITY_RESERVED 5
/* Trusted Application calls */
#define SMC_ENTITY_TRUSTED_APP 48
/* Trusted OS calls */
#define SMC_ENTITY_TRUSTED_OS 50
/* Used for secure -> nonsecure logging */
#define SMC_ENTITY_LOGGING 51
/* Trusted OS calls internal to secure monitor */
#define SMC_ENTITY_SECURE_MONITOR 60
/* 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 (3)
#define SMC_FC_API_VERSION SMC_FASTCALL_NR(SMC_ENTITY_SECURE_MONITOR, 11)
/* 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)
/* Queueless Trusty IPC Interface */
#define SMC_SC_TRUSTY_IPC_CREATE_QL_DEV \
SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 30)
#define SMC_SC_TRUSTY_IPC_SHUTDOWN_QL_DEV \
SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 31)
#define SMC_SC_TRUSTY_IPC_HANDLE_QL_DEV_CMD \
SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 32)
#define SMC_FC_HANDLE_QL_TIPC_DEV_CMD SMC_FASTCALL_NR(SMC_ENTITY_TRUSTED_OS, 32)
#endif /* QL_TIPC_SMCALL_H_ */
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