125 lines
4.7 KiB
C
125 lines
4.7 KiB
C
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/*
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* Copyright (c) 2018-2019, 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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/* 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(1)
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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 SPCI_VERSION_FORM(major, minor) ((((major) & SPCI_VERSION_MAJOR_MASK) \
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<< SPCI_VERSION_MAJOR_SHIFT) | \
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((minor) & SPCI_VERSION_MINOR_MASK))
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#define SPCI_VERSION_COMPILED SPCI_VERSION_FORM(SPCI_VERSION_MAJOR, \
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SPCI_VERSION_MINOR)
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/* Definitions to build the complete SMC ID */
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#define SPCI_FID_MISC_FLAG (U(0) << 27)
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#define SPCI_FID_MISC_SHIFT U(20)
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#define SPCI_FID_MISC_MASK U(0x7F)
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#define SPCI_FID_TUN_FLAG (U(1) << 27)
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#define SPCI_FID_TUN_SHIFT U(24)
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#define SPCI_FID_TUN_MASK U(0x7)
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#define OEN_SPCI_START U(0x30)
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#define OEN_SPCI_END U(0x3F)
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#define SPCI_SMC(spci_fid) ((OEN_SPCI_START << FUNCID_OEN_SHIFT) | \
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(U(1) << 31) | (spci_fid))
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#define SPCI_MISC_32(misc_fid) ((SMC_32 << FUNCID_CC_SHIFT) | \
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SPCI_FID_MISC_FLAG | \
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SPCI_SMC((misc_fid) << SPCI_FID_MISC_SHIFT))
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#define SPCI_MISC_64(misc_fid) ((SMC_64 << FUNCID_CC_SHIFT) | \
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SPCI_FID_MISC_FLAG | \
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SPCI_SMC((misc_fid) << SPCI_FID_MISC_SHIFT))
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#define SPCI_TUN_32(tun_fid) ((SMC_32 << FUNCID_CC_SHIFT) | \
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SPCI_FID_TUN_FLAG | \
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SPCI_SMC((tun_fid) << SPCI_FID_TUN_SHIFT))
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#define SPCI_TUN_64(tun_fid) ((SMC_64 << FUNCID_CC_SHIFT) | \
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SPCI_FID_TUN_FLAG | \
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SPCI_SMC((tun_fid) << SPCI_FID_TUN_SHIFT))
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/* SPCI miscellaneous functions */
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#define SPCI_FID_VERSION U(0x0)
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#define SPCI_FID_SERVICE_HANDLE_OPEN U(0x2)
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#define SPCI_FID_SERVICE_HANDLE_CLOSE U(0x3)
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#define SPCI_FID_SERVICE_MEM_REGISTER U(0x4)
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#define SPCI_FID_SERVICE_MEM_UNREGISTER U(0x5)
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#define SPCI_FID_SERVICE_MEM_PUBLISH U(0x6)
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#define SPCI_FID_SERVICE_REQUEST_BLOCKING U(0x7)
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#define SPCI_FID_SERVICE_REQUEST_START U(0x8)
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#define SPCI_FID_SERVICE_GET_RESPONSE U(0x9)
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#define SPCI_FID_SERVICE_RESET_CLIENT_STATE U(0xA)
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/* SPCI tunneling functions */
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#define SPCI_FID_SERVICE_TUN_REQUEST_START U(0x0)
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#define SPCI_FID_SERVICE_REQUEST_RESUME U(0x1)
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#define SPCI_FID_SERVICE_TUN_REQUEST_BLOCKING U(0x2)
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/* Complete SMC IDs and associated values */
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#define SPCI_VERSION SPCI_MISC_32(SPCI_FID_VERSION)
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#define SPCI_SERVICE_HANDLE_OPEN SPCI_MISC_32(SPCI_FID_SERVICE_HANDLE_OPEN)
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#define SPCI_SERVICE_HANDLE_OPEN_NOTIFY_BIT U(1)
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#define SPCI_SERVICE_HANDLE_CLOSE SPCI_MISC_32(SPCI_FID_SERVICE_HANDLE_CLOSE)
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#define SPCI_SERVICE_MEM_REGISTER_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_MEM_REGISTER)
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#define SPCI_SERVICE_MEM_REGISTER_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_MEM_REGISTER)
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#define SPCI_SERVICE_MEM_UNREGISTER_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_MEM_UNREGISTER)
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#define SPCI_SERVICE_MEM_UNREGISTER_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_MEM_UNREGISTER)
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#define SPCI_SERVICE_MEM_PUBLISH_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_MEM_PUBLISH)
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#define SPCI_SERVICE_MEM_PUBLISH_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_MEM_PUBLISH)
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#define SPCI_SERVICE_REQUEST_BLOCKING_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_REQUEST_BLOCKING)
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#define SPCI_SERVICE_REQUEST_BLOCKING_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_REQUEST_BLOCKING)
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#define SPCI_SERVICE_REQUEST_START_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_REQUEST_START)
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#define SPCI_SERVICE_REQUEST_START_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_REQUEST_START)
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#define SPCI_SERVICE_GET_RESPONSE_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_GET_RESPONSE)
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#define SPCI_SERVICE_GET_RESPONSE_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_GET_RESPONSE)
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#define SPCI_SERVICE_RESET_CLIENT_STATE_AARCH32 SPCI_MISC_32(SPCI_FID_SERVICE_RESET_CLIENT_STATE)
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#define SPCI_SERVICE_RESET_CLIENT_STATE_AARCH64 SPCI_MISC_64(SPCI_FID_SERVICE_RESET_CLIENT_STATE)
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#define SPCI_SERVICE_TUN_REQUEST_START_AARCH32 SPCI_TUN_32(SPCI_FID_SERVICE_TUN_REQUEST_START)
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#define SPCI_SERVICE_TUN_REQUEST_START_AARCH64 SPCI_TUN_64(SPCI_FID_SERVICE_TUN_REQUEST_START)
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#define SPCI_SERVICE_REQUEST_RESUME_AARCH32 SPCI_TUN_32(SPCI_FID_SERVICE_REQUEST_RESUME)
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#define SPCI_SERVICE_REQUEST_RESUME_AARCH64 SPCI_TUN_64(SPCI_FID_SERVICE_REQUEST_RESUME)
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#define SPCI_SERVICE_TUN_REQUEST_BLOCKING_AARCH32 SPCI_TUN_32(SPCI_FID_SERVICE_TUN_REQUEST_BLOCKING)
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#define SPCI_SERVICE_TUN_REQUEST_BLOCKING_AARCH64 SPCI_TUN_64(SPCI_FID_SERVICE_TUN_REQUEST_BLOCKING)
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/* SPCI error codes. */
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#define SPCI_SUCCESS 0
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#define SPCI_NOT_SUPPORTED -1
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#define SPCI_INVALID_PARAMETER -2
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#define SPCI_NO_MEMORY -3
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#define SPCI_BUSY -4
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#define SPCI_QUEUED -5
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#define SPCI_DENIED -6
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#define SPCI_NOT_PRESENT -7
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#endif /* SPCI_SVC_H */
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