diff --git a/cmd/nvidia-ctk/cdi/generate/nvml_devices.go b/cmd/nvidia-ctk/cdi/generate/nvml_devices.go deleted file mode 100644 index 7b89203a..00000000 --- a/cmd/nvidia-ctk/cdi/generate/nvml_devices.go +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY Type, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package generate - -import ( - "fmt" - - "github.com/NVIDIA/nvidia-container-toolkit/internal/nvcaps" - "gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvlib/device" - "gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvml" -) - -// nvmlDevice wraps an nvml.Device with more functions. -type nvmlDevice struct { - nvml.Device -} - -// nvmlMigDevice allows for specific functions of nvmlDevice to be overridden. -type nvmlMigDevice nvmlDevice - -// deviceInfo defines the information the required to construct a Device -type deviceInfo interface { - GetUUID() (string, error) - GetDeviceNodes() ([]string, error) -} - -var _ deviceInfo = (*nvmlDevice)(nil) -var _ deviceInfo = (*nvmlMigDevice)(nil) - -func newGPUDevice(i int, gpu device.Device) (string, nvmlDevice) { - return fmt.Sprintf("gpu%v", i), nvmlDevice{gpu} -} - -func newMigDevice(i int, j int, mig device.MigDevice) (string, nvmlMigDevice) { - return fmt.Sprintf("mig%v:%v", i, j), nvmlMigDevice{mig} -} - -// GetUUID returns the UUID of the device -func (d nvmlDevice) GetUUID() (string, error) { - uuid, ret := d.Device.GetUUID() - if ret != nvml.SUCCESS { - return "", ret - } - return uuid, nil -} - -// GetUUID returns the UUID of the device -func (d nvmlMigDevice) GetUUID() (string, error) { - return nvmlDevice(d).GetUUID() -} - -// GetDeviceNodes returns the device node paths for a GPU device -func (d nvmlDevice) GetDeviceNodes() ([]string, error) { - minor, ret := d.GetMinorNumber() - if ret != nvml.SUCCESS { - return nil, fmt.Errorf("error getting GPU device minor number: %v", ret) - } - path := fmt.Sprintf("/dev/nvidia%d", minor) - - return []string{path}, nil -} - -// GetDeviceNodes returns the device node paths for a MIG device -func (d nvmlMigDevice) GetDeviceNodes() ([]string, error) { - parent, ret := d.GetDeviceHandleFromMigDeviceHandle() - if ret != nvml.SUCCESS { - return nil, fmt.Errorf("error getting parent device: %v", ret) - } - minor, ret := parent.GetMinorNumber() - if ret != nvml.SUCCESS { - return nil, fmt.Errorf("error getting GPU device minor number: %v", ret) - } - parentPath := fmt.Sprintf("/dev/nvidia%d", minor) - - migCaps, err := nvcaps.NewMigCaps() - if err != nil { - return nil, fmt.Errorf("error getting MIG capability device paths: %v", err) - } - - gi, ret := d.GetGpuInstanceId() - if ret != nvml.SUCCESS { - return nil, fmt.Errorf("error getting GPU Instance ID: %v", ret) - } - - ci, ret := d.GetComputeInstanceId() - if ret != nvml.SUCCESS { - return nil, fmt.Errorf("error getting Compute Instance ID: %v", ret) - } - - giCap := nvcaps.NewGPUInstanceCap(minor, gi) - giCapDevicePath, err := migCaps.GetCapDevicePath(giCap) - if err != nil { - return nil, fmt.Errorf("failed to get GI cap device path: %v", err) - } - - ciCap := nvcaps.NewComputeInstanceCap(minor, gi, ci) - ciCapDevicePath, err := migCaps.GetCapDevicePath(ciCap) - if err != nil { - return nil, fmt.Errorf("failed to get CI cap device path: %v", err) - } - - devicePaths := []string{ - parentPath, - giCapDevicePath, - ciCapDevicePath, - } - - return devicePaths, nil -}