blob: 99f1608d3794da335ec8507fcb95ca4122597440 [file] [log] [blame] [edit]
/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __LIB_SM_SMCALL_H
#define __LIB_SM_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) \
(((((unsigned int) (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_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1)
#define SMC_YIELDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0)
#define SMC_YIELDCALL64_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_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */
/* FC = Fast call, YC = Yielding call */
#define SMC_YC_RESTART_LAST SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0)
#define SMC_YC_NOP SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1)
/*
* Return from secure os to non-secure os with return value in r1
*/
#define SMC_YC_NS_RETURN SMC_YIELDCALL_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)
/* Trusted OS entity calls */
#define SMC_YC_VIRTIO_GET_DESCR SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20)
#define SMC_YC_VIRTIO_START SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21)
#define SMC_YC_VIRTIO_STOP SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22)
#define SMC_YC_VDEV_RESET SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23)
#define SMC_YC_VDEV_KICK_VQ SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24)
#define SMC_YC_SET_ROT_PARAMS SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535)
#endif /* __LIB_SM_SMCALL_H */