mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-23 00:38:26 +00:00
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
/**
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# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package drm
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import (
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"fmt"
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"path/filepath"
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)
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// GetDeviceNodesByBusID returns the DRM devices associated with the specified PCI bus ID
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func GetDeviceNodesByBusID(busID string) ([]string, error) {
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drmRoot := filepath.Join("/sys/bus/pci/devices", busID, "drm")
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matches, err := filepath.Glob(fmt.Sprintf("%s/*", drmRoot))
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if err != nil {
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return nil, err
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}
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var drmDeviceNodes []string
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for _, m := range matches {
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drmDeviceNode := filepath.Join("/dev/dri", filepath.Base(m))
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drmDeviceNodes = append(drmDeviceNodes, drmDeviceNode)
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}
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return drmDeviceNodes, nil
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}
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