mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2025-06-16 11:30:20 +00:00
114 lines
2.8 KiB
Go
114 lines
2.8 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 info
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import (
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"github.com/NVIDIA/go-nvlib/pkg/nvlib/info"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/config/image"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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)
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// A RuntimeMode is used to select a specific mode of operation for the NVIDIA Container Runtime.
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type RuntimeMode string
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const (
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RuntimeModeLegacy = RuntimeMode("legacy")
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RuntimeModeCSV = RuntimeMode("csv")
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RuntimeModeCDI = RuntimeMode("cdi")
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)
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type RuntimeModeResolver interface {
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ResolveRuntimeMode(string) RuntimeMode
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}
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type modeResolver struct {
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logger logger.Interface
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// TODO: This only needs to consider the requested devices.
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image *image.CUDA
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propertyExtractor info.PropertyExtractor
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}
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type Option func(*modeResolver)
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func WithLogger(logger logger.Interface) Option {
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return func(mr *modeResolver) {
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mr.logger = logger
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}
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}
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func WithImage(image *image.CUDA) Option {
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return func(mr *modeResolver) {
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mr.image = image
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}
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}
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func WithPropertyExtractor(propertyExtractor info.PropertyExtractor) Option {
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return func(mr *modeResolver) {
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mr.propertyExtractor = propertyExtractor
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}
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}
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func NewRuntimeModeResolver(opts ...Option) RuntimeModeResolver {
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r := &modeResolver{}
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for _, opt := range opts {
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opt(r)
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}
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if r.logger == nil {
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r.logger = &logger.NullLogger{}
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}
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return r
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}
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// ResolveAutoMode determines the correct mode for the platform if set to "auto"
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func ResolveAutoMode(logger logger.Interface, mode string, image image.CUDA) (rmode RuntimeMode) {
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r := modeResolver{
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logger: logger,
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image: &image,
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propertyExtractor: nil,
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}
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return r.ResolveRuntimeMode(mode)
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}
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func (m *modeResolver) ResolveRuntimeMode(mode string) (rmode RuntimeMode) {
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if mode != "auto" {
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m.logger.Infof("Using requested mode '%s'", mode)
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return RuntimeMode(mode)
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}
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defer func() {
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m.logger.Infof("Auto-detected mode as '%v'", rmode)
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}()
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if m.image.OnlyFullyQualifiedCDIDevices() {
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return RuntimeModeCDI
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}
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nvinfo := info.New(
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info.WithLogger(m.logger),
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info.WithPropertyExtractor(m.propertyExtractor),
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)
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switch nvinfo.ResolvePlatform() {
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case info.PlatformNVML, info.PlatformWSL:
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return RuntimeModeLegacy
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case info.PlatformTegra:
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return RuntimeModeCSV
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}
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return RuntimeModeLegacy
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}
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