blob: ef4289f50339b509e07eaf97d1eb89011cdee6cc [file] [log] [blame]
/*
* Copyright (c) 2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef GTSI_SVC_H
#define GTSI_SVC_H
/* GTSI error codes. */
#define GTSI_SUCCESS 0
#define GTSI_ERROR_NOT_SUPPORTED -1
#define GTSI_ERROR_INVALID_ADDRESS -2
#define GTSI_ERROR_INVALID_PAS -3
/* The macros below are used to identify GTSI calls from the SMC function ID */
#define GTSI_FNUM_MIN_VALUE U(0x1B0)
#define GTSI_FNUM_MAX_VALUE U(0x1B1)
#define is_gtsi_fid(fid) __extension__ ({ \
__typeof__(fid) _fid = (fid); \
((GET_SMC_NUM(_fid) >= GTSI_FNUM_MIN_VALUE) && \
(GET_SMC_NUM(_fid) <= GTSI_FNUM_MAX_VALUE) && \
(GET_SMC_TYPE(_fid) == SMC_TYPE_FAST) && \
(GET_SMC_CC(_fid) == SMC_64) && \
(GET_SMC_OEN(_fid) == OEN_STD_START) && \
((_fid & 0x00FE0000) == 0U)); })
/* Get GTSI fastcall std FID from function number */
#define GTSI_FID(smc_cc, func_num) \
((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) | \
((smc_cc) << FUNCID_CC_SHIFT) | \
(OEN_STD_START << FUNCID_OEN_SHIFT) | \
((func_num) << FUNCID_NUM_SHIFT))
#define GRAN_TRANS_TO_REALM_FNUM U(0x1B0)
#define GRAN_TRANS_TO_NS_FNUM U(0x1B1)
#define SMC_ASC_MARK_REALM GTSI_FID(SMC_64, GRAN_TRANS_TO_REALM_FNUM)
#define SMC_ASC_MARK_NONSECURE GTSI_FID(SMC_64, GRAN_TRANS_TO_NS_FNUM)
#define GRAN_TRANS_RET_BAD_ADDR -2
#define GRAN_TRANS_RET_BAD_PAS -3
#endif /* GTSI_SVC_H */