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