mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-28 06:52:34 +00:00
45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
/*
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# Copyright (c) 2021, 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 discover
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import (
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"fmt"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/nvcaps"
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)
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// getMigCaps returns a mapping of MIG capability path to device nodes
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func getMigCaps(capDeviceMajor int) (map[ProcPath]DeviceNode, error) {
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migCaps, err := nvcaps.LoadMigMinors()
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if err != nil {
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return nil, fmt.Errorf("error loading MIG minors: %v", err)
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}
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return getMigCapsFromMigMinors(migCaps, capDeviceMajor), nil
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}
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func getMigCapsFromMigMinors(migCaps map[nvcaps.MigCap]nvcaps.MigMinor, capDeviceMajor int) map[ProcPath]DeviceNode {
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capsDevicePaths := make(map[ProcPath]DeviceNode)
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for cap, minor := range migCaps {
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capsDevicePaths[ProcPath(cap.ProcPath())] = DeviceNode{
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Path: DevicePath(minor.DevicePath()),
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Major: capDeviceMajor,
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Minor: int(minor),
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}
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}
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return capsDevicePaths
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}
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