mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
synced 2025-06-03 03:59:37 +00:00
518a8606ff
In addition to the levelzero's health data use, this adds support to scan devices in WSL. Scanning happens by retrieving Intel device indices from the Level-Zero API. Signed-off-by: Tuomas Katila <tuomas.katila@intel.com>
1212 lines
35 KiB
Go
1212 lines
35 KiB
Go
// Copyright 2017-2023 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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"flag"
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"os"
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"path"
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"path/filepath"
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"reflect"
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"sort"
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"testing"
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"github.com/pkg/errors"
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"k8s.io/kubelet/pkg/apis/deviceplugin/v1beta1"
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"k8s.io/utils/strings/slices"
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"github.com/intel/intel-device-plugins-for-kubernetes/cmd/gpu_plugin/levelzeroservice"
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"github.com/intel/intel-device-plugins-for-kubernetes/cmd/gpu_plugin/rm"
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dpapi "github.com/intel/intel-device-plugins-for-kubernetes/pkg/deviceplugin"
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cdispec "tags.cncf.io/container-device-interface/specs-go"
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)
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func init() {
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_ = flag.Set("v", "4") //Enable debug output
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}
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// mockNotifier implements Notifier interface.
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type mockNotifier struct {
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scanDone chan bool
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i915Count int
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xeCount int
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dxgCount int
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i915monitorCount int
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xeMonitorCount int
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}
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// Notify stops plugin Scan.
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func (n *mockNotifier) Notify(newDeviceTree dpapi.DeviceTree) {
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n.xeCount = len(newDeviceTree[deviceTypeXe])
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n.xeMonitorCount = len(newDeviceTree[deviceTypeXe+monitorSuffix])
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n.i915Count = len(newDeviceTree[deviceTypeI915])
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n.dxgCount = len(newDeviceTree[deviceTypeDxg])
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n.i915monitorCount = len(newDeviceTree[deviceTypeDefault+monitorSuffix])
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n.scanDone <- true
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}
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type mockResourceManager struct {
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tileCount uint64
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}
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func (m *mockResourceManager) CreateFractionalResourceResponse(*v1beta1.AllocateRequest) (*v1beta1.AllocateResponse, error) {
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return &v1beta1.AllocateResponse{}, &dpapi.UseDefaultMethodError{}
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}
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func (m *mockResourceManager) SetDevInfos(rm.DeviceInfoMap) {}
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func (m *mockResourceManager) GetPreferredFractionalAllocation(*v1beta1.PreferredAllocationRequest) (*v1beta1.PreferredAllocationResponse, error) {
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return &v1beta1.PreferredAllocationResponse{}, &dpapi.UseDefaultMethodError{}
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}
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func (m *mockResourceManager) SetTileCountPerCard(count uint64) {
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m.tileCount = count
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}
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type mockL0Service struct {
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indices []uint32
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memSize uint64
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healthy bool
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fail bool
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}
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func (m *mockL0Service) Run(keep bool) {
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}
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func (m *mockL0Service) Stop() {
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}
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func (m *mockL0Service) GetIntelIndices() ([]uint32, error) {
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if m.fail {
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return m.indices, errors.Errorf("error, error")
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}
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return m.indices, nil
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}
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func (m *mockL0Service) GetDeviceHealth(bdfAddress string) (levelzeroservice.DeviceHealth, error) {
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if m.fail {
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return levelzeroservice.DeviceHealth{}, errors.Errorf("error, error")
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}
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return levelzeroservice.DeviceHealth{Memory: m.healthy, Bus: m.healthy, SoC: m.healthy}, nil
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}
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func (m *mockL0Service) GetDeviceTemperature(bdfAddress string) (levelzeroservice.DeviceTemperature, error) {
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if m.fail {
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return levelzeroservice.DeviceTemperature{}, errors.Errorf("error, error")
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}
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return levelzeroservice.DeviceTemperature{Global: 35.0, GPU: 35.0, Memory: 35.0}, nil
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}
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func (m *mockL0Service) GetDeviceMemoryAmount(bdfAddress string) (uint64, error) {
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if m.fail {
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return m.memSize, errors.Errorf("error, error")
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}
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return m.memSize, nil
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}
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type TestCaseDetails struct {
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// possible mock l0 service
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l0mock levelzeroservice.LevelzeroService
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// test-case environment
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pciAddresses map[string]string
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sysfsfiles map[string][]byte
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symlinkfiles map[string]string
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name string
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sysfsdirs []string
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devfsdirs []string
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// how plugin should interpret it
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options cliOptions
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// what the result should be (i915)
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expectedI915Devs int
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expectedI915Monitors int
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// what the result should be (dxg)
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expectedDxgDevs int
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// what the result should be (xe)
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expectedXeDevs int
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expectedXeMonitors int
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}
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func createTestFiles(root string, tc TestCaseDetails) (string, string, error) {
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sysfs := path.Join(root, "sys")
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devfs := path.Join(root, "dev")
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for _, devfsdir := range tc.devfsdirs {
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if err := os.MkdirAll(path.Join(devfs, devfsdir), 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake device directory")
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}
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}
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if err := os.MkdirAll(sysfs, 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake base sysfs directory")
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}
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if len(tc.pciAddresses) > 0 {
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if err := os.MkdirAll(filepath.Join(sysfs, ".devices"), 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake pci address base")
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}
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for pci, card := range tc.pciAddresses {
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fullPci := filepath.Join(sysfs, ".devices", pci)
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cardPath := filepath.Join(sysfs, card)
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if err := os.MkdirAll(fullPci, 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake pci address entry")
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}
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if err := os.MkdirAll(cardPath, 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake card entry")
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}
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if err := os.Symlink(fullPci, filepath.Join(sysfs, card, "device")); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake pci address symlinks")
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}
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}
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}
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for _, sysfsdir := range tc.sysfsdirs {
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if err := os.MkdirAll(path.Join(sysfs, sysfsdir), 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake device directory")
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}
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}
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for filename, body := range tc.sysfsfiles {
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if err := os.WriteFile(path.Join(sysfs, filename), body, 0600); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake vendor file")
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}
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}
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for source, target := range tc.symlinkfiles {
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driverPath := path.Join(sysfs, target)
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symlinkPath := path.Join(sysfs, source)
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if err := os.MkdirAll(driverPath, 0750); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake driver file.")
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}
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if err := os.Symlink(driverPath, symlinkPath); err != nil {
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return "", "", errors.Wrap(err, "Failed to create fake driver symlink file.")
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}
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}
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return sysfs, devfs, nil
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}
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func TestNewDevicePlugin(t *testing.T) {
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if newDevicePlugin("", "", cliOptions{sharedDevNum: 2, resourceManagement: false}) == nil {
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t.Error("Failed to create plugin")
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}
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if newDevicePlugin("", "", cliOptions{sharedDevNum: 2, resourceManagement: true}) != nil {
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t.Error("Unexpectedly managed to create resource management enabled plugin inside unit tests")
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}
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}
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func TestGetPreferredAllocation(t *testing.T) {
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rqt := &v1beta1.PreferredAllocationRequest{
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ContainerRequests: []*v1beta1.ContainerPreferredAllocationRequest{
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{
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AvailableDeviceIDs: []string{"card0-4", "card0-2", "card1-1", "card2-3", "card2-4", "card2-1", "card1-0", "card1-4", "card3-4", "card1-2", "card0-1", "card2-0", "card2-2", "card1-3", "card3-0", "card3-3", "card0-3", "card0-0", "card3-1", "card3-2"},
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AllocationSize: 4,
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},
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},
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}
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rqtNotEnough := &v1beta1.PreferredAllocationRequest{
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ContainerRequests: []*v1beta1.ContainerPreferredAllocationRequest{
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{
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AvailableDeviceIDs: []string{"card0-1", "card0-2", "card0-3", "card1-1"},
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AllocationSize: 3,
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},
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},
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}
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rqtErr := &v1beta1.PreferredAllocationRequest{
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ContainerRequests: []*v1beta1.ContainerPreferredAllocationRequest{
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{
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AvailableDeviceIDs: []string{"card0-4", "card1-1", "card2-3", "card2-4", "card2-1"},
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AllocationSize: 6,
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},
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},
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}
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plugin := newDevicePlugin("", "", cliOptions{sharedDevNum: 5, resourceManagement: false, preferredAllocationPolicy: "none"})
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response, _ := plugin.GetPreferredAllocation(rqt)
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sort.Strings(response.ContainerResponses[0].DeviceIDs)
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if !reflect.DeepEqual(response.ContainerResponses[0].DeviceIDs, []string{"card0-4", "card1-1", "card2-3", "card3-4"}) {
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t.Error("Unexpected return value for none preferred allocation", response.ContainerResponses[0].DeviceIDs)
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}
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plugin = newDevicePlugin("", "", cliOptions{sharedDevNum: 5, resourceManagement: false, preferredAllocationPolicy: "balanced"})
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response, _ = plugin.GetPreferredAllocation(rqt)
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if !reflect.DeepEqual(response.ContainerResponses[0].DeviceIDs, []string{"card0-0", "card1-0", "card2-0", "card3-0"}) {
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t.Error("Unexpected return value for balanced preferred allocation", response.ContainerResponses[0].DeviceIDs)
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}
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plugin = newDevicePlugin("", "", cliOptions{sharedDevNum: 5, resourceManagement: false, preferredAllocationPolicy: "packed"})
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response, _ = plugin.GetPreferredAllocation(rqt)
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if !reflect.DeepEqual(response.ContainerResponses[0].DeviceIDs, []string{"card0-0", "card0-1", "card0-2", "card0-3"}) {
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t.Error("Unexpected return value for packed preferred allocation", response.ContainerResponses[0].DeviceIDs)
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}
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plugin = newDevicePlugin("", "", cliOptions{sharedDevNum: 5, resourceManagement: false, preferredAllocationPolicy: "none"})
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response, _ = plugin.GetPreferredAllocation(rqtErr)
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if response != nil {
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t.Error("Fail to handle the input error that req.AllocationSize is greater than len(req.AvailableDeviceIDs).")
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}
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plugin = newDevicePlugin("", "", cliOptions{sharedDevNum: 5, resourceManagement: false, preferredAllocationPolicy: "none"})
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response, _ = plugin.GetPreferredAllocation(rqtNotEnough)
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sort.Strings(response.ContainerResponses[0].DeviceIDs)
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if !reflect.DeepEqual(response.ContainerResponses[0].DeviceIDs, []string{"card0-1", "card0-2", "card1-1"}) {
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t.Error("Unexpected return value for none preferred allocation with too few separate devices",
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response.ContainerResponses[0].DeviceIDs)
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}
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}
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func TestAllocate(t *testing.T) {
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plugin := newDevicePlugin("", "", cliOptions{sharedDevNum: 2, resourceManagement: false})
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_, err := plugin.Allocate(&v1beta1.AllocateRequest{})
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if _, ok := err.(*dpapi.UseDefaultMethodError); !ok {
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t.Errorf("Unexpected return value: %+v", err)
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}
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// mock the rm
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plugin.resMan = &mockResourceManager{}
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_, err = plugin.Allocate(&v1beta1.AllocateRequest{})
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if _, ok := err.(*dpapi.UseDefaultMethodError); !ok {
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t.Errorf("Unexpected return value: %+v", err)
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}
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}
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func TestScan(t *testing.T) {
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tcases := []TestCaseDetails{
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{
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name: "no sysfs mounted",
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},
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{
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name: "no device installed",
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sysfsdirs: []string{"card0"},
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},
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{
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name: "missing dev node",
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sysfsdirs: []string{"card0/device"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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},
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},
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{
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name: "one device",
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sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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},
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devfsdirs: []string{
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"card0",
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"by-path/pci-0000:00:00.0-card",
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"by-path/pci-0000:00:00.0-render",
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},
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expectedI915Devs: 1,
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},
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{
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name: "one device with xe driver",
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sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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},
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symlinkfiles: map[string]string{
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"card0/device/driver": "drivers/xe",
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},
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devfsdirs: []string{
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"card0",
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"by-path/pci-0000:00:00.0-card",
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"by-path/pci-0000:00:00.0-render",
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},
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expectedXeDevs: 1,
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},
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{
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name: "two devices with xe driver and monitoring",
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sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64", "card1/device/drm/card1"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card1/device/vendor": []byte("0x8086"),
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},
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symlinkfiles: map[string]string{
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"card0/device/driver": "drivers/xe",
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"card1/device/driver": "drivers/xe",
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},
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devfsdirs: []string{
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"card0",
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"by-path/pci-0000:00:00.0-card",
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"by-path/pci-0000:00:00.0-render",
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"card1",
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"by-path/pci-0000:00:01.0-card",
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"by-path/pci-0000:00:01.0-render",
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},
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options: cliOptions{enableMonitoring: true},
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expectedXeDevs: 2,
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expectedXeMonitors: 1,
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},
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{
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name: "two devices with xe and i915 drivers",
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sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64", "card1/device/drm/card1"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card1/device/vendor": []byte("0x8086"),
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},
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symlinkfiles: map[string]string{
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"card0/device/driver": "drivers/xe",
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"card1/device/driver": "drivers/i915",
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},
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devfsdirs: []string{
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"card0",
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"by-path/pci-0000:00:00.0-card",
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"by-path/pci-0000:00:00.0-render",
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"card1",
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"by-path/pci-0000:00:01.0-card",
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"by-path/pci-0000:00:01.0-render",
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},
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options: cliOptions{enableMonitoring: true},
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expectedXeDevs: 1,
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expectedXeMonitors: 1,
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expectedI915Devs: 1,
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expectedI915Monitors: 1,
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},
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{
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name: "sriov-1-pf-no-vfs + monitoring",
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sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card0/device/sriov_numvfs": []byte("0"),
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},
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devfsdirs: []string{"card0"},
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options: cliOptions{enableMonitoring: true},
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expectedI915Devs: 1,
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expectedI915Monitors: 1,
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},
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{
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name: "two sysfs records but one dev node",
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sysfsdirs: []string{
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"card0/device/drm/card0",
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"card1/device/drm/card1",
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},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card1/device/vendor": []byte("0x8086"),
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},
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devfsdirs: []string{"card0"},
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expectedI915Devs: 1,
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},
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{
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name: "sriov-1-pf-and-2-vfs",
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sysfsdirs: []string{
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"card0/device/drm/card0",
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"card1/device/drm/card1",
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"card2/device/drm/card2",
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},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card0/device/sriov_numvfs": []byte("2"),
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"card1/device/vendor": []byte("0x8086"),
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"card2/device/vendor": []byte("0x8086"),
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},
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devfsdirs: []string{"card0", "card1", "card2"},
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expectedI915Devs: 2,
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},
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{
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name: "two devices with 13 shares + monitoring",
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sysfsdirs: []string{
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"card0/device/drm/card0",
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"card1/device/drm/card1",
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},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0x8086"),
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"card1/device/vendor": []byte("0x8086"),
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},
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devfsdirs: []string{"card0", "card1"},
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options: cliOptions{sharedDevNum: 13, enableMonitoring: true},
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expectedI915Devs: 26,
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expectedI915Monitors: 1,
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},
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{
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name: "wrong vendor",
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sysfsdirs: []string{"card0/device/drm/card0"},
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sysfsfiles: map[string][]byte{
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"card0/device/vendor": []byte("0xbeef"),
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},
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devfsdirs: []string{"card0"},
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},
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{
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name: "wrong vendor with 13 shares + monitoring",
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sysfsdirs: []string{"card0/device/drm/card0"},
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sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0xbeef"),
|
|
},
|
|
devfsdirs: []string{"card0"},
|
|
options: cliOptions{sharedDevNum: 13, enableMonitoring: true},
|
|
},
|
|
{
|
|
name: "no sysfs records",
|
|
sysfsdirs: []string{"non_gpu_card"},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tcases {
|
|
if tc.options.sharedDevNum == 0 {
|
|
tc.options.sharedDevNum = 1
|
|
}
|
|
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_new_device_plugin")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs, devfs, err := createTestFiles(root, tc)
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %+v", err)
|
|
}
|
|
|
|
plugin := newDevicePlugin(sysfs, devfs, tc.options)
|
|
|
|
notifier := &mockNotifier{
|
|
scanDone: plugin.scanDone,
|
|
}
|
|
|
|
err = plugin.Scan(notifier)
|
|
// Scans in GPU plugin never fail
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %+v", err)
|
|
}
|
|
if tc.expectedI915Devs != notifier.i915Count {
|
|
t.Errorf("Expected %d, discovered %d devices (i915)",
|
|
tc.expectedI915Devs, notifier.i915Count)
|
|
}
|
|
if tc.expectedI915Monitors != notifier.i915monitorCount {
|
|
t.Errorf("Expected %d, discovered %d monitors (i915)",
|
|
tc.expectedI915Monitors, notifier.i915monitorCount)
|
|
}
|
|
if tc.expectedXeDevs != notifier.xeCount {
|
|
t.Errorf("Expected %d, discovered %d devices (XE)",
|
|
tc.expectedXeDevs, notifier.xeCount)
|
|
}
|
|
if tc.expectedXeMonitors != notifier.xeMonitorCount {
|
|
t.Errorf("Expected %d, discovered %d monitors (XE)",
|
|
tc.expectedXeMonitors, notifier.xeMonitorCount)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestScanWithHealth(t *testing.T) {
|
|
tcases := []TestCaseDetails{
|
|
{
|
|
name: "one device with no symlink",
|
|
sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"by-path/pci-0000:00:00.0-card",
|
|
"by-path/pci-0000:00:00.0-render",
|
|
},
|
|
expectedI915Devs: 1,
|
|
},
|
|
{
|
|
name: "one device with proper symlink",
|
|
pciAddresses: map[string]string{"0000:00:00.0": "card0"},
|
|
sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"by-path/pci-0000:00:00.0-card",
|
|
"by-path/pci-0000:00:00.0-render",
|
|
},
|
|
expectedI915Devs: 1,
|
|
l0mock: &mockL0Service{
|
|
healthy: true,
|
|
},
|
|
},
|
|
{
|
|
name: "one unhealthy device with proper symlink",
|
|
pciAddresses: map[string]string{"0000:00:00.0": "card0"},
|
|
sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"by-path/pci-0000:00:00.0-card",
|
|
"by-path/pci-0000:00:00.0-render",
|
|
},
|
|
expectedI915Devs: 1,
|
|
l0mock: &mockL0Service{
|
|
healthy: false,
|
|
},
|
|
},
|
|
{
|
|
name: "one device with proper symlink returns error",
|
|
pciAddresses: map[string]string{"0000:00:00.0": "card0"},
|
|
sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64"},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"by-path/pci-0000:00:00.0-card",
|
|
"by-path/pci-0000:00:00.0-render",
|
|
},
|
|
expectedI915Devs: 1,
|
|
l0mock: &mockL0Service{
|
|
fail: true,
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tcases {
|
|
if tc.options.sharedDevNum == 0 {
|
|
tc.options.sharedDevNum = 1
|
|
}
|
|
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_new_device_plugin")
|
|
if err != nil {
|
|
t.Fatalf("can't create temporary directory: %+v", err)
|
|
}
|
|
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs, devfs, err := createTestFiles(root, tc)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %+v", err)
|
|
}
|
|
|
|
plugin := newDevicePlugin(sysfs, devfs, tc.options)
|
|
|
|
plugin.levelzeroService = tc.l0mock
|
|
|
|
notifier := &mockNotifier{
|
|
scanDone: plugin.scanDone,
|
|
}
|
|
|
|
err = plugin.Scan(notifier)
|
|
// Scans in GPU plugin never fail
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %+v", err)
|
|
}
|
|
if tc.expectedI915Devs != notifier.i915Count {
|
|
t.Errorf("Expected %d, discovered %d devices (i915)",
|
|
tc.expectedI915Devs, notifier.i915Count)
|
|
}
|
|
if tc.expectedI915Monitors != notifier.i915monitorCount {
|
|
t.Errorf("Expected %d, discovered %d monitors (i915)",
|
|
tc.expectedI915Monitors, notifier.i915monitorCount)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestScanWsl(t *testing.T) {
|
|
tcases := []TestCaseDetails{
|
|
{
|
|
name: "one wsl device",
|
|
expectedDxgDevs: 1,
|
|
l0mock: &mockL0Service{
|
|
indices: []uint32{0},
|
|
},
|
|
},
|
|
{
|
|
name: "four wsl device",
|
|
expectedDxgDevs: 4,
|
|
l0mock: &mockL0Service{
|
|
indices: []uint32{0, 1, 2, 3},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tcases {
|
|
if tc.options.sharedDevNum == 0 {
|
|
tc.options.sharedDevNum = 1
|
|
}
|
|
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_new_device_plugin")
|
|
if err != nil {
|
|
t.Fatalf("can't create temporary directory: %+v", err)
|
|
}
|
|
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs, devfs, err := createTestFiles(root, tc)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %+v", err)
|
|
}
|
|
|
|
plugin := newDevicePlugin(sysfs, devfs, tc.options)
|
|
plugin.options.wslScan = true
|
|
plugin.levelzeroService = tc.l0mock
|
|
|
|
notifier := &mockNotifier{
|
|
scanDone: plugin.scanDone,
|
|
}
|
|
|
|
err = plugin.Scan(notifier)
|
|
// Scans in GPU plugin never fail
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %+v", err)
|
|
}
|
|
if tc.expectedDxgDevs != notifier.dxgCount {
|
|
t.Errorf("Expected %d, discovered %d devices (dxg)",
|
|
tc.expectedI915Devs, notifier.i915Count)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestScanFails(t *testing.T) {
|
|
tc := TestCaseDetails{
|
|
name: "xe and i915 devices with rm will fail",
|
|
sysfsdirs: []string{"card0/device/drm/card0", "card0/device/drm/controlD64", "card1/device/drm/card1"},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
"card1/device/vendor": []byte("0x8086"),
|
|
},
|
|
symlinkfiles: map[string]string{
|
|
"card0/device/driver": "drivers/xe",
|
|
"card1/device/driver": "drivers/i915",
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"card1",
|
|
},
|
|
}
|
|
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_new_device_plugin")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs, devfs, err := createTestFiles(root, tc)
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %+v", err)
|
|
}
|
|
|
|
plugin := newDevicePlugin(sysfs, devfs, tc.options)
|
|
|
|
plugin.resMan = &mockResourceManager{}
|
|
|
|
notifier := &mockNotifier{
|
|
scanDone: plugin.scanDone,
|
|
}
|
|
|
|
err = plugin.Scan(notifier)
|
|
if err == nil {
|
|
t.Error("Unexpected nil error")
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestScanWithRmAndTiles(t *testing.T) {
|
|
tcs := []TestCaseDetails{
|
|
{
|
|
name: "two tile xe devices with rm enabled - homogeneous",
|
|
sysfsdirs: []string{
|
|
"card0/device/drm/card0",
|
|
"card1/device/drm/card1",
|
|
"card0/device/tile0/gt0",
|
|
"card0/device/tile1/gt1",
|
|
"card1/device/tile0/gt0",
|
|
"card1/device/tile1/gt1",
|
|
},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
"card1/device/vendor": []byte("0x8086"),
|
|
},
|
|
symlinkfiles: map[string]string{
|
|
"card0/device/driver": "drivers/xe",
|
|
"card1/device/driver": "drivers/xe",
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"card1",
|
|
},
|
|
},
|
|
{
|
|
name: "2 & 1 tile xe devices with rm enabled - heterogeneous",
|
|
sysfsdirs: []string{
|
|
"card0/device/drm/card0",
|
|
"card1/device/drm/card1",
|
|
"card0/device/tile0/gt0",
|
|
"card0/device/tile1/gt1",
|
|
"card1/device/tile0/gt0",
|
|
},
|
|
sysfsfiles: map[string][]byte{
|
|
"card0/device/vendor": []byte("0x8086"),
|
|
"card1/device/vendor": []byte("0x8086"),
|
|
},
|
|
symlinkfiles: map[string]string{
|
|
"card0/device/driver": "drivers/xe",
|
|
"card1/device/driver": "drivers/xe",
|
|
},
|
|
devfsdirs: []string{
|
|
"card0",
|
|
"card1",
|
|
},
|
|
},
|
|
}
|
|
|
|
expectedTileCounts := []uint64{2, 0}
|
|
|
|
for i, tc := range tcs {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_new_device_plugin")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs, devfs, err := createTestFiles(root, tc)
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %+v", err)
|
|
}
|
|
|
|
plugin := newDevicePlugin(sysfs, devfs, tc.options)
|
|
|
|
rm := &mockResourceManager{}
|
|
plugin.resMan = rm
|
|
|
|
notifier := &mockNotifier{
|
|
scanDone: plugin.scanDone,
|
|
}
|
|
|
|
err = plugin.Scan(notifier)
|
|
if err != nil {
|
|
t.Error("Unexpected error")
|
|
}
|
|
if rm.tileCount != expectedTileCounts[i] {
|
|
t.Error("Unexpected tilecount for RM")
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// Would be nice to combine these with the overall Scan unit tests.
|
|
func createBypathTestFiles(t *testing.T, card, root, linkFile string, bypathFiles []string) (string, string) {
|
|
drmPath := path.Join(root, "sys/class/drm/", card)
|
|
devPath := path.Join(root, "sys", linkFile)
|
|
byPath := path.Join(root, "by-path")
|
|
|
|
if linkFile != "" {
|
|
if err := os.MkdirAll(filepath.Dir(devPath), 0700); err != nil {
|
|
t.Fatal("Couldn't create test dev dir", err)
|
|
}
|
|
|
|
if err := os.MkdirAll(filepath.Dir(drmPath), 0700); err != nil {
|
|
t.Fatal("Couldn't create test drm dir", err)
|
|
}
|
|
|
|
if err := os.WriteFile(devPath, []byte{0}, 0o600); err != nil {
|
|
t.Fatal("Couldn't create card file", err)
|
|
}
|
|
|
|
if err := os.Symlink(devPath, drmPath); err != nil {
|
|
t.Fatal("Couldn't create symlink between pci path and sysfs drm path")
|
|
}
|
|
}
|
|
|
|
if len(bypathFiles) > 0 {
|
|
if err := os.MkdirAll(byPath, 0700); err != nil {
|
|
t.Fatal("Mkdir failed:", byPath)
|
|
}
|
|
|
|
for _, f := range bypathFiles {
|
|
if err := os.WriteFile(path.Join(byPath, f), []byte{1}, 0o600); err != nil {
|
|
t.Fatal("WriteFile failed:", path.Join(byPath, f))
|
|
}
|
|
}
|
|
}
|
|
|
|
return drmPath, byPath
|
|
}
|
|
|
|
func TestBypath(t *testing.T) {
|
|
type testData struct {
|
|
desc string
|
|
linkpath string
|
|
bypathFiles []string
|
|
pciAddrOk bool
|
|
mountCount int
|
|
}
|
|
|
|
const cardName string = "card0"
|
|
|
|
tds := []testData{
|
|
{
|
|
"card with two by-path files",
|
|
"00.10.2/00.334.302/0.0.1.00/0000:0f:05.0/drm/" + cardName,
|
|
[]string{"pci-0000:0f:05.0-card", "pci-0000:0f:05.0-render"},
|
|
true,
|
|
2,
|
|
},
|
|
{
|
|
"different by-path files",
|
|
"00.10.2/00.334.302/0.0.1.00/0000:ff:05.0/drm/" + cardName,
|
|
[]string{"pci-0000:0f:05.0-card", "pci-0000:0f:05.0-render"},
|
|
true,
|
|
0,
|
|
},
|
|
{
|
|
"invalid pci address",
|
|
"00.10.2/00.334.302/0.0.1.00/000:ff:05.1/drm/" + cardName,
|
|
[]string{"pci-0000:0f:05.0-card", "pci-0000:0f:05.0-render"},
|
|
false,
|
|
0,
|
|
},
|
|
{
|
|
"symlink without card",
|
|
"00.10.2/00.334.302/0.0.1.00/0000:0f:05.0/drm",
|
|
[]string{"pci-0000:0f:05.0-card", "pci-0000:0f:05.0-render"},
|
|
false,
|
|
0,
|
|
},
|
|
{
|
|
"no symlink",
|
|
"",
|
|
[]string{"pci-0000:0f:05.0-card", "pci-0000:0f:05.0-render"},
|
|
false,
|
|
0,
|
|
},
|
|
{
|
|
"no by-path files",
|
|
"00.10.2/00.334.302/0.0.1.00/0000:0f:05.0/drm/" + cardName,
|
|
[]string{},
|
|
true,
|
|
0,
|
|
},
|
|
}
|
|
|
|
for _, td := range tds {
|
|
root, err := os.MkdirTemp("", "test_bypath_mounting")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
plugin := newDevicePlugin("/", "/", cliOptions{})
|
|
|
|
drmPath, byPath := createBypathTestFiles(t, cardName, root, td.linkpath, td.bypathFiles)
|
|
|
|
pciAddr, pciErr := plugin.pciAddressForCard(drmPath, cardName)
|
|
|
|
if pciErr != nil && td.pciAddrOk {
|
|
t.Errorf("%s: failed to retrieve pci address when it should have", td.desc)
|
|
}
|
|
|
|
if pciErr != nil {
|
|
continue
|
|
}
|
|
|
|
mounts := plugin.bypathMountsForPci(pciAddr, byPath)
|
|
|
|
if len(mounts) != td.mountCount {
|
|
t.Errorf("%s: Wrong number of mounts %d vs. %d", td.desc, len(mounts), td.mountCount)
|
|
}
|
|
|
|
absPaths := []string{}
|
|
for _, link := range td.bypathFiles {
|
|
absPaths = append(absPaths, path.Join(byPath, link))
|
|
}
|
|
|
|
for _, mount := range mounts {
|
|
if !slices.Contains(absPaths, mount.ContainerPath) {
|
|
t.Errorf("%s: containerpath is incorrect: %s", td.desc, mount.ContainerPath)
|
|
}
|
|
|
|
if !slices.Contains(absPaths, mount.HostPath) {
|
|
t.Errorf("%s: hostpath is incorrect: %s", td.desc, mount.HostPath)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestPciDeviceForCard(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_pci_device_for_card")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs := path.Join(root, "sys")
|
|
|
|
cardPath := filepath.Join(sysfs, "class", "drm", "card0")
|
|
cardDevicePath := filepath.Join(cardPath, "device")
|
|
|
|
if err := os.MkdirAll(cardDevicePath, 0750); err != nil {
|
|
t.Fatalf("Card device path creation failed: %+v", err)
|
|
}
|
|
|
|
data := "0x5959"
|
|
|
|
err = os.WriteFile(filepath.Join(cardDevicePath, "device"), []byte(data), 0o600)
|
|
if err != nil {
|
|
t.Fatalf("Device id write failed: %+v", err)
|
|
}
|
|
|
|
id, err := pciDeviceIDForCard(cardPath)
|
|
|
|
if err != nil {
|
|
t.Errorf("Failed to get device id for card: %+v", err)
|
|
}
|
|
|
|
if id != data {
|
|
t.Errorf("Wrong id received %s vs %s", id, data)
|
|
}
|
|
|
|
// Check bad device
|
|
|
|
cardPath = filepath.Join(sysfs, "class", "drm", "card1")
|
|
cardDevicePath = filepath.Join(cardPath, "device")
|
|
|
|
if err := os.MkdirAll(cardDevicePath, 0750); err != nil {
|
|
t.Fatalf("Card device path creation failed: %+v", err)
|
|
}
|
|
|
|
err = os.WriteFile(filepath.Join(cardDevicePath, "devicebad"), []byte(data), 0o600)
|
|
if err != nil {
|
|
t.Fatalf("Device id write failed: %+v", err)
|
|
}
|
|
|
|
id, err = pciDeviceIDForCard(cardPath)
|
|
|
|
if err == nil {
|
|
t.Errorf("ID received when it shouldn't be possible: %s", id)
|
|
}
|
|
}
|
|
|
|
type symlinkItem struct {
|
|
old string
|
|
new string
|
|
}
|
|
|
|
func createSymlinks(t *testing.T, base string, links []symlinkItem) {
|
|
for _, link := range links {
|
|
linkOld := filepath.Join(base, link.old)
|
|
linkNew := filepath.Join(base, link.new)
|
|
|
|
if _, err := os.Stat(linkOld); err != nil {
|
|
if err := os.MkdirAll(linkOld, 0o750); err != nil && !errors.Is(err, os.ErrExist) {
|
|
t.Fatalf("Failed to create symlink base dir: %+v", err)
|
|
}
|
|
}
|
|
|
|
d := filepath.Dir(linkNew)
|
|
if err := os.MkdirAll(d, 0o750); err != nil {
|
|
t.Fatal("Failed to create symlink new dir", err)
|
|
}
|
|
|
|
if err := os.Symlink(linkOld, linkNew); err != nil {
|
|
t.Fatal("Failed to create symlink from old to new", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func createFiles(t *testing.T, base string, files map[string][]byte) {
|
|
for file, content := range files {
|
|
fp := filepath.Join(base, file)
|
|
dir := filepath.Dir(fp)
|
|
|
|
if err := os.MkdirAll(dir, 0o750); err != nil {
|
|
t.Fatal("Failed to create dev directories", err)
|
|
}
|
|
|
|
if err := os.WriteFile(fp, content, 0o600); err != nil {
|
|
t.Fatal("Failed to create dev file", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func createDirs(t *testing.T, base string, dirs []string) {
|
|
for _, dir := range dirs {
|
|
if err := os.MkdirAll(filepath.Join(base, dir), 0o750); err != nil {
|
|
t.Fatal("Failed to create sysfs directories", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCDIDeviceInclusion(t *testing.T) {
|
|
root, err := os.MkdirTemp("", "test_cdidevice")
|
|
if err != nil {
|
|
t.Fatalf("Can't create temporary directory: %+v", err)
|
|
}
|
|
// dirs/files need to be removed for the next test
|
|
defer os.RemoveAll(root)
|
|
|
|
sysfs := path.Join(root, "sys")
|
|
devfs := path.Join(root, "dev")
|
|
|
|
sysfslinks := []symlinkItem{
|
|
{"/0042:01:02.0", "/class/drm/card0"},
|
|
{"/0042:01:05.0", "/class/drm/card1"},
|
|
{"driver/i915", "/class/drm/card0/device/driver"},
|
|
{"driver/xe", "/class/drm/card1/device/driver"},
|
|
}
|
|
|
|
devfslinks := []symlinkItem{
|
|
{"/dri/card0", "/dri/by-path/pci-0042:01:02.0-card"},
|
|
{"/dri/renderD128", "/dri/by-path/pci-0042:01:02.0-render"},
|
|
{"/dri/card1", "/dri/by-path/pci-0042:01:05.0-card"},
|
|
{"/dri/renderD129", "/dri/by-path/pci-0042:01:05.0-render"},
|
|
}
|
|
|
|
sysfsDirs := []string{
|
|
"class/drm/card0/device/drm/card0",
|
|
"class/drm/card0/device/drm/renderD128",
|
|
"class/drm/card1/device/drm/card1",
|
|
"class/drm/card1/device/drm/renderD129",
|
|
}
|
|
|
|
sysfsFiles := map[string][]byte{
|
|
"class/drm/card0/device/device": []byte("0x9a49"),
|
|
"class/drm/card0/device/vendor": []byte("0x8086"),
|
|
"class/drm/card1/device/device": []byte("0x9a48"),
|
|
"class/drm/card1/device/vendor": []byte("0x8086"),
|
|
}
|
|
|
|
devfsfiles := map[string][]byte{
|
|
"/dri/card0": []byte("1"),
|
|
"/dri/renderD128": []byte("1"),
|
|
"/dri/card1": []byte("1"),
|
|
"/dri/renderD129": []byte("1"),
|
|
}
|
|
|
|
createSymlinks(t, sysfs, sysfslinks)
|
|
createFiles(t, devfs, devfsfiles)
|
|
createFiles(t, sysfs, sysfsFiles)
|
|
createDirs(t, sysfs, sysfsDirs)
|
|
createSymlinks(t, devfs, devfslinks)
|
|
|
|
plugin := newDevicePlugin(sysfs+"/class/drm", devfs+"/dri", cliOptions{sharedDevNum: 1})
|
|
plugin.bypathFound = true
|
|
|
|
tree, err := plugin.scan()
|
|
|
|
if err != nil {
|
|
t.Error("Failed to get device id for card")
|
|
}
|
|
|
|
refTree := dpapi.NewDeviceTree()
|
|
refTree.AddDevice("i915", "card0-0", dpapi.NewDeviceInfo("Healthy", []v1beta1.DeviceSpec{
|
|
{ContainerPath: devfs + "/dri/card0", HostPath: devfs + "/dri/card0", Permissions: "rw"},
|
|
{ContainerPath: devfs + "/dri/renderD128", HostPath: devfs + "/dri/renderD128", Permissions: "rw"},
|
|
}, []v1beta1.Mount{
|
|
{ContainerPath: devfs + "/dri/by-path/pci-0042:01:02.0-card", HostPath: devfs + "/dri/by-path/pci-0042:01:02.0-card", ReadOnly: true},
|
|
{ContainerPath: devfs + "/dri/by-path/pci-0042:01:02.0-render", HostPath: devfs + "/dri/by-path/pci-0042:01:02.0-render", ReadOnly: true},
|
|
}, nil, nil, &cdispec.Spec{
|
|
Version: dpapi.CDIVersion,
|
|
Kind: dpapi.CDIVendor + "/gpu",
|
|
Devices: []cdispec.Device{
|
|
{
|
|
Name: "card0",
|
|
ContainerEdits: cdispec.ContainerEdits{
|
|
DeviceNodes: []*cdispec.DeviceNode{
|
|
{Path: devfs + "/dri/card0", HostPath: devfs + "/dri/card0", Permissions: "rw"},
|
|
{Path: devfs + "/dri/renderD128", HostPath: devfs + "/dri/renderD128", Permissions: "rw"},
|
|
},
|
|
Mounts: []*cdispec.Mount{
|
|
{
|
|
HostPath: devfs + "/dri/by-path/pci-0042:01:02.0-card",
|
|
ContainerPath: devfs + "/dri/by-path/pci-0042:01:02.0-card",
|
|
Options: []string{"bind", "ro"},
|
|
Type: "none",
|
|
},
|
|
{
|
|
HostPath: devfs + "/dri/by-path/pci-0042:01:02.0-render",
|
|
ContainerPath: devfs + "/dri/by-path/pci-0042:01:02.0-render",
|
|
Options: []string{"bind", "ro"},
|
|
Type: "none",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}))
|
|
refTree.AddDevice("xe", "card1-0", dpapi.NewDeviceInfo("Healthy", []v1beta1.DeviceSpec{
|
|
{ContainerPath: devfs + "/dri/card1", HostPath: devfs + "/dri/card1", Permissions: "rw"},
|
|
{ContainerPath: devfs + "/dri/renderD129", HostPath: devfs + "/dri/renderD129", Permissions: "rw"},
|
|
}, []v1beta1.Mount{
|
|
{ContainerPath: devfs + "/dri/by-path/pci-0042:01:05.0-card", HostPath: devfs + "/dri/by-path/pci-0042:01:05.0-card", ReadOnly: true},
|
|
{ContainerPath: devfs + "/dri/by-path/pci-0042:01:05.0-render", HostPath: devfs + "/dri/by-path/pci-0042:01:05.0-render", ReadOnly: true},
|
|
}, nil, nil, &cdispec.Spec{
|
|
Version: dpapi.CDIVersion,
|
|
Kind: dpapi.CDIVendor + "/gpu",
|
|
Devices: []cdispec.Device{
|
|
{
|
|
Name: "card1",
|
|
ContainerEdits: cdispec.ContainerEdits{
|
|
DeviceNodes: []*cdispec.DeviceNode{
|
|
{Path: devfs + "/dri/card1", HostPath: devfs + "/dri/card1", Permissions: "rw"},
|
|
{Path: devfs + "/dri/renderD129", HostPath: devfs + "/dri/renderD129", Permissions: "rw"},
|
|
},
|
|
Mounts: []*cdispec.Mount{
|
|
{
|
|
HostPath: devfs + "/dri/by-path/pci-0042:01:05.0-card",
|
|
ContainerPath: devfs + "/dri/by-path/pci-0042:01:05.0-card",
|
|
Options: []string{"bind", "ro"},
|
|
Type: "none",
|
|
},
|
|
{
|
|
HostPath: devfs + "/dri/by-path/pci-0042:01:05.0-render",
|
|
ContainerPath: devfs + "/dri/by-path/pci-0042:01:05.0-render",
|
|
Options: []string{"bind", "ro"},
|
|
Type: "none",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}))
|
|
|
|
if !reflect.DeepEqual(tree, refTree) {
|
|
t.Error("Received device tree isn't expected\n", tree, "\n", refTree)
|
|
}
|
|
|
|
if tree.DeviceTypeCount("i915") != 1 {
|
|
t.Error("Invalid count for device (i915)")
|
|
}
|
|
if tree.DeviceTypeCount("xe") != 1 {
|
|
t.Error("Invalid count for device (xe)")
|
|
}
|
|
}
|