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51ef39c2ab
This patch adds nvsciipc kernel driver. At present its only use is to support NvSciIpc secure buffer sharing use case across processes. JIRA ESLC-4105 Change-Id: Ib2889d7c0c7a3928ad1e84c8dd58f3aa287c6185 Signed-off-by: Abhijit <abhijit@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2146877 GVS: Gerrit_Virtual_Submit Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Sandeep Trasi <strasi@nvidia.com> Reviewed-by: Puneet Saxena <puneets@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __NVSCIIPC_INTERFACE_H__
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#define __NVSCIIPC_INTERFACE_H__
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/** Invalid VUID definition */
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#define NVSCIIPC_ENDPOINT_VUID_INVALID 0U
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/** Invalid authentication token definition */
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#define NVSCIIPC_ENDPOINT_AUTHTOKEN_INVALID 0U
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/** current self SOC ID */
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#define NVSCIIPC_SELF_SOCID 0xFFFFFFFFU
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/** current self VM ID */
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#define NVSCIIPC_SELF_VMID 0xFFFFFFFFU
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/**
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* @brief Handle to the IPC endpoint.
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*/
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typedef uint64_t NvSciIpcEndpoint;
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/**
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* @brief VUID(VM unique ID) of the IPC endpoint.
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*/
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typedef uint64_t NvSciIpcEndpointVuid;
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/**
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* @brief authentication token of the IPC endpoint.
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*/
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typedef uint64_t NvSciIpcEndpointAuthToken;
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/**
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* @brief Defines topology ID of the IPC endpoint.
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*/
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typedef struct {
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/*! Holds SOC ID */
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uint32_t SocId;
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/*! Holds VMID */
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uint32_t VmId;
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} NvSciIpcTopoId;
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/**********************************************************************/
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/*********************** Function Definitions *************************/
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/**********************************************************************/
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NvSciError NvSciIpcEndpointGetAuthToken(NvSciIpcEndpoint handle,
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NvSciIpcEndpointAuthToken *authToken);
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NvSciError NvSciIpcEndpointValidateAuthTokenLinuxCurrent(
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NvSciIpcEndpointAuthToken authToken,
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NvSciIpcEndpointVuid *localUserVuid);
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NvSciError NvSciIpcEndpointMapVuid(NvSciIpcEndpointVuid localUserVuid,
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NvSciIpcTopoId *peerTopoId, NvSciIpcEndpointVuid *peerUserVuid);
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NvSciError NvSciIpcEndpointGetVuid(NvSciIpcEndpoint handle,
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NvSciIpcEndpointVuid *vuid);
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#endif /* __NVSCIIPC_INTERFACE_H__ */
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