140 lines
5.2 KiB
C
140 lines
5.2 KiB
C
/*
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* Copyright (c) 2019, 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 SPCI_SVC_H
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#define SPCI_SVC_H
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#include <lib/smccc.h>
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#include <lib/utils_def.h>
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#include <tools_share/uuid.h>
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/* SPCI error codes. */
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#define SPCI_ERROR_NOT_SUPPORTED -1
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#define SPCI_ERROR_INVALID_PARAMETER -2
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#define SPCI_ERROR_NO_MEMORY -3
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#define SPCI_ERROR_BUSY -4
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#define SPCI_ERROR_INTERRUPTED -5
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#define SPCI_ERROR_DENIED -6
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#define SPCI_ERROR_RETRY -7
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/* The macros below are used to identify SPCI calls from the SMC function ID */
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#define SPCI_FNUM_MIN_VALUE U(0x60)
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#define SPCI_FNUM_MAX_VALUE U(0x7f)
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#define is_spci_fid(fid) __extension__ ({ \
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__typeof__(fid) _fid = (fid); \
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((GET_SMC_NUM(_fid) >= SPCI_FNUM_MIN_VALUE) && \
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(GET_SMC_NUM(_fid) <= SPCI_FNUM_MAX_VALUE)); })
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/* SPCI_VERSION helpers */
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#define SPCI_VERSION_MAJOR U(0)
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#define SPCI_VERSION_MAJOR_SHIFT 16
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#define SPCI_VERSION_MAJOR_MASK U(0x7FFF)
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#define SPCI_VERSION_MINOR U(9)
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#define SPCI_VERSION_MINOR_SHIFT 0
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#define SPCI_VERSION_MINOR_MASK U(0xFFFF)
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#define MAKE_SPCI_VERSION(major, minor) \
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((((major) & SPCI_VERSION_MAJOR_MASK) << SPCI_VERSION_MAJOR_SHIFT) | \
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(((minor) & SPCI_VERSION_MINOR_MASK) << SPCI_VERSION_MINOR_SHIFT))
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#define SPCI_VERSION_COMPILED MAKE_SPCI_VERSION(SPCI_VERSION_MAJOR, \
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SPCI_VERSION_MINOR)
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/* SPCI_MSG_SEND helpers */
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#define SPCI_MSG_SEND_ATTRS_BLK_SHIFT U(0)
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#define SPCI_MSG_SEND_ATTRS_BLK_MASK U(0x1)
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#define SPCI_MSG_SEND_ATTRS_BLK U(0)
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#define SPCI_MSG_SEND_ATTRS_BLK_NOT U(1)
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#define SPCI_MSG_SEND_ATTRS(blk) \
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(((blk) & SPCI_MSG_SEND_ATTRS_BLK_MASK) \
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<< SPCI_MSG_SEND_ATTRS_BLK_SHIFT)
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/* Get SPCI fastcall std FID from function number */
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#define SPCI_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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/* SPCI function numbers */
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#define SPCI_FNUM_ERROR U(0x60)
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#define SPCI_FNUM_SUCCESS U(0x61)
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#define SPCI_FNUM_INTERRUPT U(0x62)
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#define SPCI_FNUM_VERSION U(0x63)
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#define SPCI_FNUM_FEATURES U(0x64)
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#define SPCI_FNUM_RX_RELEASE U(0x65)
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#define SPCI_FNUM_RXTX_MAP U(0x66)
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#define SPCI_FNUM_RXTX_UNMAP U(0x67)
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#define SPCI_FNUM_PARTITION_INFO_GET U(0x68)
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#define SPCI_FNUM_ID_GET U(0x69)
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#define SPCI_FNUM_MSG_POLL U(0x6A)
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#define SPCI_FNUM_MSG_WAIT U(0x6B)
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#define SPCI_FNUM_MSG_YIELD U(0x6C)
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#define SPCI_FNUM_MSG_RUN U(0x6D)
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#define SPCI_FNUM_MSG_SEND U(0x6E)
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#define SPCI_FNUM_MSG_SEND_DIRECT_REQ U(0x6F)
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#define SPCI_FNUM_MSG_SEND_DIRECT_RESP U(0x70)
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#define SPCI_FNUM_MEM_DONATE U(0x71)
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#define SPCI_FNUM_MEM_LEND U(0x72)
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#define SPCI_FNUM_MEM_SHARE U(0x73)
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#define SPCI_FNUM_MEM_RETRIEVE_REQ U(0x74)
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#define SPCI_FNUM_MEM_RETRIEVE_RESP U(0x75)
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#define SPCI_FNUM_MEM_RELINQUISH U(0x76)
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#define SPCI_FNUM_MEM_RECLAIM U(0x77)
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/* SPCI SMC32 FIDs */
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#define SPCI_ERROR SPCI_FID(SMC_32, SPCI_FNUM_ERROR)
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#define SPCI_SUCCESS_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_SUCCESS)
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#define SPCI_INTERRUPT SPCI_FID(SMC_32, SPCI_FNUM_INTERRUPT)
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#define SPCI_VERSION SPCI_FID(SMC_32, SPCI_FNUM_VERSION)
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#define SPCI_FEATURES SPCI_FID(SMC_32, SPCI_FNUM_FEATURES)
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#define SPCI_RX_RELEASE SPCI_FID(SMC_32, SPCI_FNUM_RX_RELEASE)
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#define SPCI_RXTX_MAP_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_RXTX_MAP)
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#define SPCI_RXTX_UNMAP SPCI_FID(SMC_32, SPCI_FNUM_RXTX_UNMAP)
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#define SPCI_PARTITION_INFO_GET SPCI_FID(SMC_32, SPCI_FNUM_PARTITION_INFO_GET)
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#define SPCI_ID_GET SPCI_FID(SMC_32, SPCI_FNUM_ID_GET)
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#define SPCI_MSG_POLL SPCI_FID(SMC_32, SPCI_FNUM_MSG_POLL)
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#define SPCI_MSG_WAIT SPCI_FID(SMC_32, SPCI_FNUM_MSG_WAIT)
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#define SPCI_MSG_YIELD SPCI_FID(SMC_32, SPCI_FNUM_MSG_YIELD)
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#define SPCI_MSG_RUN SPCI_FID(SMC_32, SPCI_FNUM_MSG_RUN)
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#define SPCI_MSG_SEND SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND)
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#define SPCI_MSG_SEND_DIRECT_REQ_SMC32 \
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SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_REQ)
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#define SPCI_MSG_SEND_DIRECT_RESP_SMC32 \
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SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_RESP)
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#define SPCI_MEM_DONATE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_DONATE)
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#define SPCI_MEM_LEND_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_LEND)
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#define SPCI_MEM_SHARE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_SHARE)
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#define SPCI_MEM_RETRIEVE_REQ_SMC32 \
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SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_REQ)
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#define SPCI_MEM_RETRIEVE_RESP SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_RESP)
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#define SPCI_MEM_RELINQUISH SPCI_FID(SMC_32, SPCI_FNUM_MEM_RELINQUISH)
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#define SPCI_MEM_RECLAIM SPCI_FID(SMC_32, SPCI_FNUM_MEM_RECLAIM)
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/* SPCI SMC64 FIDs */
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#define SPCI_SUCCESS_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_SUCCESS)
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#define SPCI_RXTX_MAP_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_RXTX_MAP)
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#define SPCI_MSG_SEND_DIRECT_REQ_SMC64 \
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SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_REQ)
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#define SPCI_MSG_SEND_DIRECT_RESP_SMC64 \
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SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_RESP)
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#define SPCI_MEM_DONATE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_DONATE)
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#define SPCI_MEM_LEND_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_LEND)
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#define SPCI_MEM_SHARE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_SHARE)
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#define SPCI_MEM_RETRIEVE_REQ_SMC64 \
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SPCI_FID(SMC_64, SPCI_FNUM_MEM_RETRIEVE_REQ)
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/*
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* Reserve a special value for traffic targeted to the Hypervisor or SPM.
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*/
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#define SPCI_TARGET_INFO_MBZ U(0x0)
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/*
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* Reserve a special value for MBZ parameters.
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*/
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#define SPCI_PARAM_MBZ U(0x0)
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#endif /* SPCI_SVC_H */
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