mirror of
https://github.com/clearml/go-nvlib
synced 2025-01-31 10:57:14 +00:00
121 lines
2.7 KiB
Go
121 lines
2.7 KiB
Go
/*
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* Copyright (c) 2021, 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 nvpci
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/bytes"
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)
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type MockA100 struct {
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*nvpci
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}
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func (m *MockA100) Cleanup() {
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os.RemoveAll(m.pciDevicesRoot)
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}
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var _ Interface = (*MockA100)(nil)
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func NewMockA100() (mock *MockA100, rerr error) {
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rootDir, err := ioutil.TempDir("", "")
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if err != nil {
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return nil, err
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}
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defer func() {
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if rerr != nil {
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os.RemoveAll(rootDir)
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}
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}()
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deviceDir := filepath.Join(rootDir, "0000:80:05.1")
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err = os.MkdirAll(deviceDir, 0755)
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if err != nil {
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return nil, err
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}
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vendor, err := os.Create(filepath.Join(deviceDir, "vendor"))
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if err != nil {
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return nil, err
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}
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_, err = vendor.WriteString(fmt.Sprintf("0x%x", pciNvidiaVendorID))
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if err != nil {
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return nil, err
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}
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class, err := os.Create(filepath.Join(deviceDir, "class"))
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if err != nil {
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return nil, err
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}
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_, err = class.WriteString(fmt.Sprintf("0x%x", pci3dControllerClass))
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if err != nil {
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return nil, err
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}
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device, err := os.Create(filepath.Join(deviceDir, "device"))
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if err != nil {
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return nil, err
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}
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_, err = device.WriteString("0x20bf")
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if err != nil {
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return nil, err
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}
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config, err := os.Create(filepath.Join(deviceDir, "config"))
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if err != nil {
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return nil, err
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}
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_data := make([]byte, pciCfgSpaceStandardSize)
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data := bytes.New(&_data)
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data.Write16(0, pciNvidiaVendorID)
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data.Write16(2, uint16(0x20bf))
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_, err = config.Write(*data.Raw())
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if err != nil {
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return nil, err
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}
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bar0 := []uint64{0x00000000c2000000, 0x00000000c2ffffff, 0x0000000000040200}
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resource, err := os.Create(filepath.Join(deviceDir, "resource"))
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_, err = resource.WriteString(fmt.Sprintf("0x%x 0x%x 0x%x", bar0[0], bar0[1], bar0[2]))
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if err != nil {
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return nil, err
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}
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pmcID := uint32(0x170000a1)
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resource0, err := os.Create(filepath.Join(deviceDir, "resource0"))
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if err != nil {
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return nil, err
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}
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_data = make([]byte, bar0[1]-bar0[0]+1)
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data = bytes.New(&_data).LittleEndian()
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data.Write32(0, pmcID)
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_, err = resource0.Write(*data.Raw())
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if err != nil {
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return nil, err
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}
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mock = &MockA100{
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&nvpci{rootDir},
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}
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return mock, nil
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}
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