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/*
* Copyright (c) 2021-2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ETHOSN_H
#define ETHOSN_H
#include <lib/smccc.h>
/* Function numbers */
#define ETHOSN_FNUM_VERSION U(0x50)
#define ETHOSN_FNUM_IS_SEC U(0x51)
#define ETHOSN_FNUM_HARD_RESET U(0x52)
#define ETHOSN_FNUM_SOFT_RESET U(0x53)
/* 0x54-0x5F reserved for future use */
/* SMC64 function IDs */
#define ETHOSN_FID_64(func_num) U(0xC2000000 | func_num)
#define ETHOSN_FID_VERSION_64 ETHOSN_FID_64(ETHOSN_FNUM_VERSION)
#define ETHOSN_FID_IS_SEC_64 ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC)
#define ETHOSN_FID_HARD_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET)
#define ETHOSN_FID_SOFT_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET)
/* SMC32 function IDs */
#define ETHOSN_FID_32(func_num) U(0x82000000 | func_num)
#define ETHOSN_FID_VERSION_32 ETHOSN_FID_32(ETHOSN_FNUM_VERSION)
#define ETHOSN_FID_IS_SEC_32 ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC)
#define ETHOSN_FID_HARD_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET)
#define ETHOSN_FID_SOFT_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET)
#define ETHOSN_NUM_SMC_CALLS 8
/* Macro to identify function calls */
#define ETHOSN_FID_MASK U(0xFFF0)
#define ETHOSN_FID_VALUE U(0x50)
#define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE)
/* Service version */
#define ETHOSN_VERSION_MAJOR U(2)
#define ETHOSN_VERSION_MINOR U(0)
/* Return codes for function calls */
#define ETHOSN_SUCCESS 0
#define ETHOSN_NOT_SUPPORTED -1
/* -2 Reserved for NOT_REQUIRED */
/* -3 Reserved for INVALID_PARAMETER */
#define ETHOSN_FAILURE -4
#define ETHOSN_UNKNOWN_CORE_ADDRESS -5
#define ETHOSN_UNKNOWN_ALLOCATOR_IDX -6
uintptr_t ethosn_smc_handler(uint32_t smc_fid,
u_register_t core_addr,
u_register_t asset_alloc_idx,
u_register_t x3,
u_register_t x4,
void *cookie,
void *handle,
u_register_t flags);
#endif /* ETHOSN_H */
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