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https://github.com/NVIDIA/open-gpu-kernel-modules.git
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48 lines
2.0 KiB
C
48 lines
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 2012-2013 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _NV_FRONTEND_H_
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#define _NV_FRONTEND_H_
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#include "nvtypes.h"
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#include "nv-linux.h"
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#include "nv-register-module.h"
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#define NV_MAX_MODULE_INSTANCES 8
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#define NV_FRONTEND_MINOR_NUMBER(x) minor((x)->i_rdev)
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#define NV_FRONTEND_CONTROL_DEVICE_MINOR_MAX 255
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#define NV_FRONTEND_CONTROL_DEVICE_MINOR_MIN (NV_FRONTEND_CONTROL_DEVICE_MINOR_MAX - \
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NV_MAX_MODULE_INSTANCES)
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#define NV_FRONTEND_IS_CONTROL_DEVICE(x) ((x <= NV_FRONTEND_CONTROL_DEVICE_MINOR_MAX) && \
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(x > NV_FRONTEND_CONTROL_DEVICE_MINOR_MIN))
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int nvidia_frontend_add_device(nvidia_module_t *, nv_linux_state_t *);
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int nvidia_frontend_remove_device(nvidia_module_t *, nv_linux_state_t *);
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extern nvidia_module_t *nv_minor_num_table[];
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#endif
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