vmm

type Arch interface {

	// SetupVM is called after the VM is created.
	// It sets up arch-specific "hardware" like the PIC.
	SetupVM(vm *kvm.VM) error

	// SetupMemory is called after the VM's memory is allocated.
	// It partitions the memory into regions. It can also write
	// arch-specific data to the memory if necessary.
	SetupMemory(mem []byte) ([]kvm.UserspaceMemoryRegion, error)

	// SetupVCPU is called after the VCPU is created and mmaped.
	// It sets up arch-specific features like MSRs and cpuid.
	SetupVCPU(slot int, vcpu *kvm.VCPU, state *kvm.VCPUState) error
}

type Config struct {

	// MemSize is the size of the VM's memory in bytes.
	// It must be a multiple of the host's page size.
	// If MemSize is 0, the VM will have 1G of memory.
	MemSize int

	// Devices configures the VM's virtio-mmio devices.
	Devices []virtio.DeviceConfig

	// Loader configures the VM's memory and registers.
	Loader Loader

	// Arch, if set, is called to do arch-specific setup during VM creation.
	// If Arch is nil, a default implementation is used. Setting Arch is
	// probably only useful for testing, debugging, and development.
	Arch Arch
}

type Loader interface {

	// LoadMemory prepares the VM's memory before it boots.
	LoadMemory(info VMInfo, mem []byte) error

	// LoadVCPU prepares a VCPU before the VM boots.
	LoadVCPU(info VMInfo, slot int, regs *kvm.Regs, sregs *kvm.Sregs) error
}

type VM struct {
	// contains filtered or unexported fields
}

type VMInfo struct {

	// MemSize is the size of the VM's memory in bytes.
	// It is a multiple of the host's page size.
	MemSize int

	// NumCPU is the number of VCPUs attached to the VM.
	// Right now it's always 1.
	NumCPU int

	// Devices enumerates the VM's virtio-mmio devices.
	Devices []mmio.DeviceInfo
}