func (qc *QemuContext) arguments(ctx *hypervisor.VmContext) []string {
if ctx.Boot == nil {
ctx.Boot = &hypervisor.BootConfig{
CPU: 1,
Memory: 128,
Kernel: hypervisor.DefaultKernel,
Initrd: hypervisor.DefaultInitrd,
}
}
boot := ctx.Boot
qc.cpus = boot.CPU
var machineClass, memParams, cpuParams string
if ctx.Boot.HotAddCpuMem {
machineClass = "pc-i440fx-2.1"
memParams = fmt.Sprintf("size=%d,slots=1,maxmem=%s", ctx.Boot.Memory, hypervisor.DefaultMaxMem) // TODO set maxmem to the total memory of the system
cpuParams = fmt.Sprintf("cpus=%d,maxcpus=%d", ctx.Boot.CPU, hypervisor.DefaultMaxCpus) // TODO set it to the cpus of the system
} else {
machineClass = "pc-i440fx-2.0"
memParams = strconv.Itoa(ctx.Boot.Memory)
cpuParams = strconv.Itoa(ctx.Boot.CPU)
}
params := []string{
"-machine", machineClass + ",accel=kvm,usb=off", "-global", "kvm-pit.lost_tick_policy=discard", "-cpu", "host"}
if _, err := os.Stat("/dev/kvm"); os.IsNotExist(err) {
glog.V(1).Info("kvm not exist change to no kvm mode")
params = []string{"-machine", machineClass + ",usb=off", "-cpu", "core2duo"}
}
if boot.Bios != "" && boot.Cbfs != "" {
params = append(params,
"-drive", fmt.Sprintf("if=pflash,file=%s,readonly=on", boot.Bios),
"-drive", fmt.Sprintf("if=pflash,file=%s,readonly=on", boot.Cbfs))
} else if boot.Bios != "" {
params = append(params,
"-bios", boot.Bios,
"-kernel", boot.Kernel, "-initrd", boot.Initrd, "-append", "\"console=ttyS0 panic=1 no_timer_check\"")
} else if boot.Cbfs != "" {
params = append(params,
"-drive", fmt.Sprintf("if=pflash,file=%s,readonly=on", boot.Cbfs))
} else {
params = append(params,
"-kernel", boot.Kernel, "-initrd", boot.Initrd, "-append", "\"console=ttyS0 panic=1 no_timer_check\"")
}
return append(params,
"-realtime", "mlock=off", "-no-user-config", "-nodefaults", "-no-hpet",
"-rtc", "base=utc,driftfix=slew", "-no-reboot", "-display", "none", "-boot", "strict=on",
"-m", memParams, "-smp", cpuParams,
"-qmp", fmt.Sprintf("unix:%s,server,nowait", qc.qmpSockName), "-serial", fmt.Sprintf("unix:%s,server,nowait", ctx.ConsoleSockName),
"-device", "virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x2", "-device", "virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x3",
"-chardev", fmt.Sprintf("socket,id=charch0,path=%s,server,nowait", ctx.HyperSockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charch0,id=channel0,name=sh.hyper.channel.0",
"-chardev", fmt.Sprintf("socket,id=charch1,path=%s,server,nowait", ctx.TtySockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=2,chardev=charch1,id=channel1,name=sh.hyper.channel.1",
"-fsdev", fmt.Sprintf("local,id=virtio9p,path=%s,security_model=none", ctx.ShareDir),
"-device", fmt.Sprintf("virtio-9p-pci,fsdev=virtio9p,mount_tag=%s", hypervisor.ShareDirTag),
)
}
func (qc *QemuContext) arguments(ctx *hypervisor.VmContext) []string {
if ctx.Boot == nil {
ctx.Boot = &hypervisor.BootConfig{
CPU: 1,
Memory: VM_MIN_MEMORY_SIZE,
Kernel: hypervisor.DefaultKernel,
Initrd: hypervisor.DefaultInitrd,
}
}
boot := ctx.Boot
qc.cpus = boot.CPU
// Currently the default memory size is fixed to 128 MiB.
// TODO: Check with PPC team for a better solution
if boot.Memory < VM_MIN_MEMORY_SIZE {
boot.Memory = VM_MIN_MEMORY_SIZE
}
var memParams, cpuParams string
if boot.HotAddCpuMem {
memParams = fmt.Sprintf("size=%d,slots=1,maxmem=%dM", boot.Memory, hypervisor.DefaultMaxMem) // TODO set maxmem to the total memory of the system
cpuParams = fmt.Sprintf("cpus=%d,maxcpus=%d", boot.CPU, hypervisor.DefaultMaxCpus) // TODO set it to the cpus of the system
} else {
memParams = strconv.Itoa(boot.Memory)
cpuParams = strconv.Itoa(boot.CPU)
}
return []string{
"-machine", "pseries,accel=kvm,usb=off", "-global", "kvm-pit.lost_tick_policy=discard", "-cpu", "host",
"-kernel", boot.Kernel, "-initrd", boot.Initrd,
"-machine", "pseries,accel=kvm,usb=off", "-cpu", "host",
"-realtime", "mlock=off", "-no-user-config", "-nodefaults",
"-rtc", "base=utc,driftfix=slew", "-no-reboot", "-display", "none", "-boot", "strict=on",
"-m", memParams, "-smp", cpuParams,
"-qmp", fmt.Sprintf("unix:%s,server,nowait", qc.qmpSockName), "-serial", fmt.Sprintf("unix:%s,server,nowait", ctx.ConsoleSockName),
"-device", "virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x2", "-device", "virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x3",
"-chardev", fmt.Sprintf("socket,id=charch0,path=%s,server,nowait", ctx.HyperSockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charch0,id=channel0,name=sh.hyper.channel.0",
"-chardev", fmt.Sprintf("socket,id=charch1,path=%s,server,nowait", ctx.TtySockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=2,chardev=charch1,id=channel1,name=sh.hyper.channel.1",
"-fsdev", fmt.Sprintf("local,id=virtio9p,path=%s,security_model=none", ctx.ShareDir),
"-device", fmt.Sprintf("virtio-9p-pci,fsdev=virtio9p,mount_tag=%s", hypervisor.ShareDirTag),
}
}
func (qc *QemuContext) arguments(ctx *hypervisor.VmContext) []string {
if ctx.Boot == nil {
ctx.Boot = &hypervisor.BootConfig{
CPU: 1,
Memory: 128,
Kernel: hypervisor.DefaultKernel,
Initrd: hypervisor.DefaultInitrd,
}
}
boot := ctx.Boot
qc.cpus = boot.CPU
var memParams, cpuParams string
if boot.HotAddCpuMem {
memParams = fmt.Sprintf("size=%d,slots=1,maxmem=%dM", boot.Memory, hypervisor.DefaultMaxMem) // TODO set maxmem to the total memory of the system
cpuParams = fmt.Sprintf("cpus=%d,maxcpus=%d", boot.CPU, hypervisor.DefaultMaxCpus) // TODO set it to the cpus of the system
} else {
memParams = strconv.Itoa(boot.Memory)
cpuParams = strconv.Itoa(boot.CPU)
}
return []string{
"-machine", "s390-ccw-virtio,accel=kvm,usb=off", "-cpu", "host",
"-kernel", boot.Kernel, "-initrd", boot.Initrd,
"-append", "\"console=ttyS1 panic=1 no_timer_check\"",
"-realtime", "mlock=off", "-no-user-config", "-nodefaults", "-enable-kvm",
"-rtc", "base=utc,driftfix=slew", "-no-reboot", "-display", "none", "-boot", "strict=on",
"-m", memParams, "-smp", cpuParams,
"-qmp", fmt.Sprintf("unix:%s,server,nowait", qc.qmpSockName),
"-chardev", fmt.Sprintf("socket,id=charconsole0,path=%s,server,nowait", ctx.ConsoleSockName),
"-device", "sclpconsole,chardev=charconsole0",
"-device", "virtio-serial-ccw,id=virtio-serial0",
"-device", "virtio-scsi-ccw,id=scsi0",
"-chardev", fmt.Sprintf("socket,id=charch0,path=%s,server,nowait", ctx.HyperSockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charch0,id=channel0,name=sh.hyper.channel.0",
"-chardev", fmt.Sprintf("socket,id=charch1,path=%s,server,nowait", ctx.TtySockName),
"-device", "virtserialport,bus=virtio-serial0.0,nr=2,chardev=charch1,id=channel1,name=sh.hyper.channel.1",
"-fsdev", fmt.Sprintf("local,id=virtio9p,path=%s,security_model=none", ctx.ShareDir),
"-device", fmt.Sprintf("virtio-9p-ccw,fsdev=virtio9p,mount_tag=%s", hypervisor.ShareDirTag),
}
}
func (lc *LibvirtContext) domainXml(ctx *hypervisor.VmContext) (string, error) {
if ctx.Boot == nil {
ctx.Boot = &hypervisor.BootConfig{
CPU: 1,
Memory: 128,
Kernel: hypervisor.DefaultKernel,
Initrd: hypervisor.DefaultInitrd,
}
}
boot := ctx.Boot
dom := &domain{
Type: "kvm",
Name: ctx.Id,
}
dom.Memory.Unit = "MiB"
dom.Memory.Content = ctx.Boot.Memory
dom.VCpu.Placement = "static"
dom.VCpu.Current = strconv.Itoa(ctx.Boot.CPU)
dom.VCpu.Content = ctx.Boot.CPU
dom.OS.Supported = "yes"
dom.OS.Type.Arch = "x86_64"
dom.OS.Type.Machine = "pc-i440fx-2.0"
dom.OS.Type.Content = "hvm"
dom.SecLabel.Type = "none"
dom.CPU.Mode = "host-passthrough"
if _, err := os.Stat("/dev/kvm"); os.IsNotExist(err) {
dom.Type = "qemu"
dom.CPU.Mode = "host-model"
dom.CPU.Match = "exact"
dom.CPU.Model = &cpumodel{
Fallback: "allow",
Content: "core2duo",
}
}
if ctx.Boot.HotAddCpuMem {
dom.OS.Type.Machine = "pc-i440fx-2.1"
dom.VCpu.Content = hypervisor.DefaultMaxCpus
dom.MaxMem = &maxmem{Unit: "MiB", Slots: "1", Content: hypervisor.DefaultMaxMem}
cells := make([]cell, 1)
cells[0].Id = "0"
cells[0].Cpus = fmt.Sprintf("0-%d", hypervisor.DefaultMaxCpus-1)
cells[0].Memory = strconv.Itoa(ctx.Boot.Memory * 1024) // older libvirt always considers unit='KiB'
cells[0].Unit = "KiB"
dom.CPU.Numa = &numa{Cell: cells}
}
cmd, err := exec.LookPath("qemu-system-x86_64")
if err != nil {
return "", fmt.Errorf("cannot find qemu-system-x86_64 binary")
}
dom.Devices.Emulator = cmd
qemuTemplateWrapper := filepath.Join(filepath.Dir(boot.MemoryPath), "libvirt-qemu-template-wrapper.sh")
if boot.BootToBeTemplate {
err := CreateTemplateQemuWrapper(qemuTemplateWrapper, cmd, boot)
if err != nil {
return "", err
}
dom.Devices.Emulator = qemuTemplateWrapper
} else if boot.BootFromTemplate {
// the wrapper was created when the template was created
dom.Devices.Emulator = qemuTemplateWrapper
}
dom.OnPowerOff = "destroy"
dom.OnReboot = "destroy"
dom.OnCrash = "destroy"
pcicontroller := controller{
Type: "pci",
Index: "0",
Model: "pci-root",
}
dom.Devices.Controllers = append(dom.Devices.Controllers, pcicontroller)
serialcontroller := controller{
Type: "virtio-serial",
Index: "0",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x02",
Function: "0x00",
},
}
dom.Devices.Controllers = append(dom.Devices.Controllers, serialcontroller)
scsicontroller := controller{
Type: "scsi",
Index: "0",
Model: "virtio-scsi",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x03",
Function: "0x00",
},
}
dom.Devices.Controllers = append(dom.Devices.Controllers, scsicontroller)
usbcontroller := controller{
Type: "usb",
Model: "none",
}
dom.Devices.Controllers = append(dom.Devices.Controllers, usbcontroller)
sharedfs := filesystem{
Type: "mount",
Accessmode: "squash",
Driver: fsdriver{
Type: "path",
},
Source: fspath{
Dir: ctx.ShareDir,
},
Target: fspath{
Dir: hypervisor.ShareDirTag,
},
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x04",
Function: "0x00",
},
}
dom.Devices.Filesystems = append(dom.Devices.Filesystems, sharedfs)
hyperchannel := channel{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.HyperSockName,
},
Target: channtgt{
Type: "virtio",
Name: "sh.hyper.channel.0",
},
}
dom.Devices.Channels = append(dom.Devices.Channels, hyperchannel)
ttychannel := channel{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.TtySockName,
},
Target: channtgt{
Type: "virtio",
Name: "sh.hyper.channel.1",
},
}
dom.Devices.Channels = append(dom.Devices.Channels, ttychannel)
dom.Devices.Console = console{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.ConsoleSockName,
},
Target: constgt{
Type: "serial",
Port: "0",
},
}
dom.Devices.Memballoon = memballoon{
Model: "virtio",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x05",
Function: "0x00",
},
}
if boot.Bios != "" && boot.Cbfs != "" {
dom.OS.Loader = &osloader{
ReadOnly: "yes",
Type: "pflash",
Content: boot.Bios,
}
dom.OS.Nvram = boot.Cbfs
} else {
dom.OS.Kernel = boot.Kernel
dom.OS.Initrd = boot.Initrd
dom.OS.Cmdline = "console=ttyS0 panic=1 no_timer_check"
}
data, err := xml.Marshal(dom)
if err != nil {
return "", err
}
return string(data), nil
}
func (lc *LibvirtContext) domainXml(ctx *hypervisor.VmContext) (string, error) {
if ctx.Boot == nil {
ctx.Boot = &hypervisor.BootConfig{
CPU: 1,
Memory: 128,
Kernel: hypervisor.DefaultKernel,
Initrd: hypervisor.DefaultInitrd,
}
}
boot := ctx.Boot
dom := &domain{
Type: "kvm",
Name: ctx.Id,
}
dom.Memory.Unit = "MB"
dom.Memory.Content = ctx.Boot.Memory
dom.VCpu.Placement = "static"
dom.VCpu.Content = ctx.Boot.CPU
dom.OS.Supported = "yes"
dom.OS.Type.Arch = "x86_64"
dom.OS.Type.Machine = "pc-i440fx-2.0"
dom.OS.Type.Content = "hvm"
dom.SecLabel.Type = "none"
dom.CPU.Mode = "host-passthrough"
if _, err := os.Stat("/dev/kvm"); os.IsNotExist(err) {
dom.Type = "qemu"
dom.CPU.Mode = "host-model"
dom.CPU.Match = "exact"
dom.CPU.Model = &cpumodel{
Fallback: "allow",
Content: "core2duo",
}
}
cmd, err := exec.LookPath("qemu-system-x86_64")
if err != nil {
return "", fmt.Errorf("cannot find qemu-system-x86_64 binary")
}
dom.Devices.Emulator = cmd
pcicontroller := controller{
Type: "pci",
Index: "0",
Model: "pci-root",
}
dom.Devices.Controllers = append(dom.Devices.Controllers, pcicontroller)
serialcontroller := controller{
Type: "virtio-serial",
Index: "0",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x02",
Function: "0x00",
},
}
dom.Devices.Controllers = append(dom.Devices.Controllers, serialcontroller)
scsicontroller := controller{
Type: "scsi",
Index: "0",
Model: "virtio-scsi",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x03",
Function: "0x00",
},
}
dom.Devices.Controllers = append(dom.Devices.Controllers, scsicontroller)
usbcontroller := controller{
Type: "usb",
Model: "none",
}
dom.Devices.Controllers = append(dom.Devices.Controllers, usbcontroller)
sharedfs := filesystem{
Type: "mount",
Accessmode: "squash",
Driver: fsdriver{
Type: "path",
},
Source: fspath{
Dir: ctx.ShareDir,
},
Target: fspath{
Dir: hypervisor.ShareDirTag,
},
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x04",
Function: "0x00",
},
}
dom.Devices.Filesystems = append(dom.Devices.Filesystems, sharedfs)
hyperchannel := channel{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.HyperSockName,
},
Target: channtgt{
Type: "virtio",
Name: "sh.hyper.channel.0",
},
}
dom.Devices.Channels = append(dom.Devices.Channels, hyperchannel)
ttychannel := channel{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.TtySockName,
},
Target: channtgt{
Type: "virtio",
Name: "sh.hyper.channel.1",
},
}
dom.Devices.Channels = append(dom.Devices.Channels, ttychannel)
dom.Devices.Console = console{
Type: "unix",
Source: channsrc{
Mode: "bind",
Path: ctx.ConsoleSockName,
},
Target: constgt{
Type: "serial",
Port: "0",
},
}
dom.Devices.Memballoon = memballoon{
Model: "virtio",
Address: &address{
Type: "pci",
Domain: "0x0000",
Bus: "0x00",
Slot: "0x05",
Function: "0x00",
},
}
if boot.Bios != "" && boot.Cbfs != "" {
dom.OS.Loader = &osloader{
ReadOnly: "yes",
Type: "pflash",
Content: boot.Bios,
}
dom.OS.Nvram = boot.Cbfs
} else {
dom.OS.Kernel = boot.Kernel
dom.OS.Initrd = boot.Initrd
dom.OS.Cmdline = "console=ttyS0 panic=1 no_timer_check"
}
data, err := xml.Marshal(dom)
if err != nil {
return "", err
}
return string(data), nil
}