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76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Copyright 2019 Yunion
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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 isolated_device
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import (
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"fmt"
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"strings"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/pkg/util/fileutils"
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api "yunion.io/x/onecloud/pkg/apis/compute"
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)
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type sNVMEDevice struct {
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*SBaseDevice
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sizeMB int
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}
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func (dev *sNVMEDevice) GetVGACmd() string {
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return ""
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}
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func (dev *sNVMEDevice) GetCPUCmd() string {
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return ""
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}
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func (dev *sNVMEDevice) GetQemuId() string {
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return fmt.Sprintf("dev_%s", strings.ReplaceAll(dev.GetAddr(), ":", "_"))
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}
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func (dev *sNVMEDevice) GetNVMESizeMB() int {
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return dev.sizeMB
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}
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func newNVMEDevice(dev *PCIDevice, devType string, sizeMB int) *sNVMEDevice {
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return &sNVMEDevice{
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SBaseDevice: NewBaseDevice(dev, devType, api.DEVICE_SHARING_MODE_EXCLUSIVE),
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sizeMB: sizeMB,
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}
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}
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func getPassthroughNVMEDisks(nvmePciDisks []string) ([]*sNVMEDevice, error) {
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devs := make([]*sNVMEDevice, 0)
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for _, conf := range nvmePciDisks {
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diskConf := strings.Split(conf, "/")
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if len(diskConf) != 2 {
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return nil, fmt.Errorf("bad nvme config %s", conf)
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}
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var pciAddr, size = diskConf[0], diskConf[1]
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sizeMb, err := fileutils.GetSizeMb(size, 'M', 1024)
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if err != nil {
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return nil, errors.Wrapf(err, "failed parse pci device %s size %s", pciAddr, size)
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}
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dev, err := detectPCIDevByAddrWithoutIOMMUGroup(pciAddr)
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if err != nil {
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return nil, errors.Wrap(err, "detectPCIDevByAddrWithoutIOMMUGroup")
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}
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devs = append(devs, newNVMEDevice(dev, api.NVME_PT_TYPE, sizeMb))
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}
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return devs, nil
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}
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