arch.go

// Copyright 2019 Yunion
//
// 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 arch

import "yunion.io/x/onecloud/pkg/hostman/guestman/desc"

const (
	Arch_x86_64      string = "x86_64"
	Arch_aarch64     string = "aarch64"
	Arch_loongarch64 string = "loongarch64"
)

type Arch interface {
	GenerateCpuDesc(cpus uint, cpuMax uint, s KVMGuestInstance) (*desc.SGuestCpu, error)
	GenerateMemDesc() *desc.SGuestMem
	GenerateMachineDesc(accel string) *desc.SGuestMachine
	GenerateCdromDesc(osName string, cdrom *desc.SGuestCdrom)
	GenerateFloppyDesc(osName string, floppy *desc.SGuestFloppy)
	GenerateQgaDesc(qgaPath string) *desc.SGuestQga
	GeneratePvpanicDesc() *desc.SGuestPvpanic
	GenerateIsaSerialDesc() *desc.SGuestIsaSerial
}

type KVMGuestInstance interface {
	IsOldWindows() bool
	GetOsName() string

	GetKernelVersion() string
	CpuMax() (uint, error)
	IsNestedVirt() bool
	IsKvmSupport() bool
	HideKVM() bool
	HideHypervisor() bool
}

func NewArch(arch string) Arch {
	switch arch {
	case Arch_x86_64:
		return &X86{}
	case Arch_aarch64:
		return &ARM{}
	case Arch_loongarch64:
		return &LOONGARCH64{}
	}
	return nil
}

type archBase struct {
}

func (*archBase) GenerateQgaDesc(qgaPath string) *desc.SGuestQga {
	charDev := "qga0"
	socket := &desc.CharDev{
		Backend: "socket",
		Id:      charDev,
		Options: map[string]string{
			"path":   qgaPath,
			"server": "",
			"nowait": "",
		},
	}

	serialPort := &desc.VirtSerialPort{
		Chardev: charDev,
		Name:    "org.qemu.guest_agent.0",
	}

	return &desc.SGuestQga{
		Socket:     socket,
		SerialPort: serialPort,
	}
}

func (*archBase) GeneratePvpanicDesc() *desc.SGuestPvpanic {
	return nil
}

func (*archBase) GenerateIsaSerialDesc() *desc.SGuestIsaSerial {
	return nil
}