Add nvcdi package with basic CDI generation API

This change adds an nvcdi package that exposes a basic API for
CDI spec generation. This is used from the nvidia-ctk cdi generate
command and can be consumed by DRA implementations and the device plugin.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

pkg/nvcdi/options.go

@@ -0,0 +1,68 @@
+/**
+# Copyright (c) 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 KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+**/
+
+package nvcdi
+
+import (
+	"github.com/sirupsen/logrus"
+	"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvlib/device"
+	"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvml"
+)
+
+// Option is a function that configures the nvcdilib
+type Option func(*nvcdilib)
+
+// WithDeviceLib sets the device library for the library
+func WithDeviceLib(devicelib device.Interface) Option {
+	return func(l *nvcdilib) {
+		l.devicelib = devicelib
+	}
+}
+
+// WithDeviceNamer sets the device namer for the library
+func WithDeviceNamer(namer DeviceNamer) Option {
+	return func(l *nvcdilib) {
+		l.deviceNamer = namer
+	}
+}
+
+// WithDriverRoot sets the driver root for the library
+func WithDriverRoot(root string) Option {
+	return func(l *nvcdilib) {
+		l.driverRoot = root
+	}
+}
+
+// WithLogger sets the logger for the library
+func WithLogger(logger *logrus.Logger) Option {
+	return func(l *nvcdilib) {
+		l.logger = logger
+	}
+}
+
+// WithNVIDIACTKPath sets the path to the NVIDIA Container Toolkit CLI path for the library
+func WithNVIDIACTKPath(path string) Option {
+	return func(l *nvcdilib) {
+		l.nvidiaCTKPath = path
+	}
+}
+
+// WithNvmlLib sets the nvml library for the library
+func WithNvmlLib(nvmllib nvml.Interface) Option {
+	return func(l *nvcdilib) {
+		l.nvmllib = nvmllib
+	}
+}