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open-gpu-kernel-modules/src/nvidia/inc/kernel/rmapi/rmapi_utils.h
Maneet Singh 443ace971f 570.158.01
2025-06-17 11:52:54 -07:00

69 lines
2.2 KiB
C

/*
* SPDX-FileCopyrightText: Copyright (c) 2020-2024 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.
*/
#ifndef RMAPI_UTILS_H
#define RMAPI_UTILS_H
#include "rmapi/rmapi.h"
//
// Alloc a client, device and subdevice handle for a gpu
//
NV_STATUS
rmapiutilAllocClientAndDeviceHandles
(
RM_API *pRmApi,
OBJGPU *pGpu,
NvHandle *phClient,
NvHandle *phDevice,
NvHandle *phSubDevice
);
//
// Free client, device and subdevice handles
//
void
rmapiutilFreeClientAndDeviceHandles
(
RM_API *pRmApi,
NvHandle *phClient,
NvHandle *phDevice,
NvHandle *phSubDevice
);
//
// Return NV_TRUE if the given external class ID is an INTERNAL_ONLY class
//
NvBool rmapiutilIsExternalClassIdInternalOnly(NvU32 externalClassId);
//
// Return the flags and access right associated with this RM control command
//
NV_STATUS rmapiutilGetControlInfo(NvU32 cmd, NvU32 *pFlags,
NvU32 *pAccessRight, NvU32 *pParamsSize);
NvBool rmapiutilSkipErrorMessageForUnsupportedVgpuGuestControl(OBJGPU *pGpu, NvU32 cmd);
#endif /* RMAPI_UTILS_H */