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#ifndef __src_common_shared_msgq_inc_msgq_msgq_priv_h__
#define __src_common_shared_msgq_inc_msgq_msgq_priv_h__
/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.113.01 */
/*
* SPDX-FileCopyrightText: Copyright (c) 2018-2019 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
typedef struct
{
NvU32 version; // queue version
NvU32 size; // bytes, page aligned
NvU32 msgSize; // entry size, bytes, must be power-of-2, 16 is minimum
NvU32 msgCount; // number of entries in queue
NvU32 writePtr; // message id of next slot
NvU32 flags; // if set it means "i want to swap RX"
NvU32 rxHdrOff; // Offset of msgqRxHeader from start of backing store.
NvU32 entryOff; // Offset of entries from start of backing store.
} msgqTxHeader;
typedef struct
{
NvU32 readPtr; // message id of last message read
} msgqRxHeader;
#endif
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