mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
synced 2025-06-03 03:59:37 +00:00
e600fe9313
Plugin can support both i915 and xe drivers dynamically. But having both drivers on same node with RM is not possible. Signed-off-by: Tuomas Katila <tuomas.katila@intel.com>
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
// Copyright 2024 Intel 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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package main
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import (
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"slices"
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"github.com/intel/intel-device-plugins-for-kubernetes/cmd/internal/labeler"
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"github.com/intel/intel-device-plugins-for-kubernetes/cmd/internal/pluginutils"
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"k8s.io/klog/v2"
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)
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type DeviceProperties struct {
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currentDriver string
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drmDrivers map[string]bool
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tileCounts []uint64
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isPfWithVfs bool
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}
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type invalidTileCountErr struct {
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error
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}
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func newDeviceProperties() *DeviceProperties {
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return &DeviceProperties{
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drmDrivers: make(map[string]bool),
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}
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}
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func (d *DeviceProperties) fetch(cardPath string) {
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d.isPfWithVfs = pluginutils.IsSriovPFwithVFs(cardPath)
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d.tileCounts = append(d.tileCounts, labeler.GetTileCount(cardPath))
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driverName, err := pluginutils.ReadDeviceDriver(cardPath)
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if err != nil {
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klog.Warningf("card (%s) doesn't have driver, using default: %s", cardPath, deviceTypeDefault)
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driverName = deviceTypeDefault
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}
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d.currentDriver = driverName
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d.drmDrivers[d.currentDriver] = true
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}
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func (d *DeviceProperties) drmDriverCount() int {
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return len(d.drmDrivers)
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}
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func (d *DeviceProperties) driver() string {
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return d.currentDriver
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}
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func (d *DeviceProperties) monitorResource() string {
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return d.currentDriver + monitorSuffix
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}
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func (d *DeviceProperties) maxTileCount() (uint64, error) {
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if len(d.tileCounts) == 0 {
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return 0, invalidTileCountErr{}
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}
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minCount := slices.Min(d.tileCounts)
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maxCount := slices.Max(d.tileCounts)
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if minCount != maxCount {
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klog.Warningf("Node's GPUs are heterogenous (min: %d, max: %d tiles)", minCount, maxCount)
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return 0, invalidTileCountErr{}
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}
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return maxCount, nil
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}
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