drivers/gpu/drm/nouveau/include/nvrm/535.113.01/nvidia/kernel/inc/vgpu/sdk-structures.h

#ifndef __src_nvidia_kernel_inc_vgpu_sdk_structures_h__
#define __src_nvidia_kernel_inc_vgpu_sdk_structures_h__

/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.113.01 */

/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2022 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.
 */

struct pte_desc
{
    NvU32 idr:2;
    NvU32 reserved1:14;
    NvU32 length:16;
    union {
        NvU64 pte; // PTE when IDR==0; PDE when IDR > 0
        NvU64 pde; // PTE when IDR==0; PDE when IDR > 0
    } pte_pde[]  NV_ALIGN_BYTES(8); // PTE when IDR==0; PDE when IDR > 0
};

#endif