qemu

Documentation

Overview

Copyright (c) Ultraviolet SPDX-License-Identifier: Apache-2.0

Copyright (c) Ultraviolet SPDX-License-Identifier: Apache-2.0

Copyright (c) Ultraviolet SPDX-License-Identifier: Apache-2.0

Index

• Constants
• func NewVM(config interface{}, logsChan chan *manager.ClientStreamMessage, ...) vm.VM
• type Config
  • func (config Config) ConstructQemuArgs() []string
• type DiskImgConfig
• type MemoryConfig
• type NetDevConfig
• type OVMFCodeConfig
• type OVMFVarsConfig
• type SevConfig
• type VSockConfig
• type VirtioNetPciConfig

Constants

const (
	KernelFile = "bzImage"
)

const VsockConfigPort uint32 = 9999

Functions

func NewVM

func NewVM(config interface{}, logsChan chan *manager.ClientStreamMessage, computationId string) vm.VM

Types

type Config

type Config struct {
	QemuBinPath  string `env:"BIN_PATH"       envDefault:"qemu-system-x86_64"`
	UseSudo      bool   `env:"USE_SUDO"       envDefault:"false"`
	EnableSEV    bool   `env:"ENABLE_SEV"     envDefault:"false"`
	EnableSEVSNP bool   `env:"ENABLE_SEV_SNP" envDefault:"true"`

	EnableKVM bool `env:"ENABLE_KVM" envDefault:"true"`

	// machine, CPU, RAM
	Machine  string `env:"MACHINE"     envDefault:"q35"`
	CPU      string `env:"CPU"         envDefault:"EPYC"`
	SMPCount int    `env:"SMP_COUNT"   envDefault:"4"`
	MaxCPUs  int    `env:"SMP_MAXCPUS" envDefault:"64"`
	MemID    string `env:"MEM_ID"      envDefault:"ram1"`
	MemoryConfig

	// Kernel hash
	KernelHash bool `env:"KERNEL_HASH" envDefault:"false"`

	// OVMF
	OVMFCodeConfig
	OVMFVarsConfig

	// network
	NetDevConfig
	VirtioNetPciConfig

	// Vsock
	VSockConfig

	// disk
	DiskImgConfig

	// SEV
	SevConfig

	// display
	NoGraphic bool   `env:"NO_GRAPHIC" envDefault:"true"`
	Monitor   string `env:"MONITOR"    envDefault:"pty"`

	// ports
	HostFwdRange string `env:"HOST_FWD_RANGE" envDefault:"6100-6200"`
}

func (Config) ConstructQemuArgs

func (config Config) ConstructQemuArgs() []string

type DiskImgConfig

type DiskImgConfig struct {
	KernelFile string `env:"DISK_IMG_KERNEL_FILE" envDefault:"img/bzImage"`
	RootFsFile string `env:"DISK_IMG_ROOTFS_FILE" envDefault:"img/rootfs.cpio.gz"`
}

type MemoryConfig

type MemoryConfig struct {
	Size  string `env:"MEMORY_SIZE"  envDefault:"2048M"`
	Slots int    `env:"MEMORY_SLOTS" envDefault:"5"`
	Max   string `env:"MAX_MEMORY"   envDefault:"30G"`
}

type NetDevConfig

type NetDevConfig struct {
	ID            string `env:"NETDEV_ID"       envDefault:"vmnic"`
	HostFwdAgent  int    `env:"HOST_FWD_AGENT"  envDefault:"7020"`
	GuestFwdAgent int    `env:"GUEST_FWD_AGENT" envDefault:"7002"`
}

type OVMFCodeConfig

type OVMFCodeConfig struct {
	If       string `env:"OVMF_CODE_IF"       envDefault:"pflash"`
	Format   string `env:"OVMF_CODE_FORMAT"   envDefault:"raw"`
	Unit     int    `env:"OVMF_CODE_UNIT"     envDefault:"0"`
	File     string `env:"OVMF_CODE_FILE"     envDefault:"/usr/share/OVMF/OVMF_CODE.fd"`
	ReadOnly string `env:"OVMF_CODE_READONLY" envDefault:"on"`
}

type OVMFVarsConfig

type OVMFVarsConfig struct {
	If     string `env:"OVMF_VARS_IF"     envDefault:"pflash"`
	Format string `env:"OVMF_VARS_FORMAT" envDefault:"raw"`
	Unit   int    `env:"OVMF_VARS_UNIT"   envDefault:"1"`
	File   string `env:"OVMF_VARS_FILE"   envDefault:"/usr/share/OVMF/OVMF_VARS.fd"`
}

type SevConfig

type SevConfig struct {
	ID              string `env:"SEV_ID"                envDefault:"sev0"`
	CBitPos         int    `env:"SEV_CBITPOS"           envDefault:"51"`
	ReducedPhysBits int    `env:"SEV_REDUCED_PHYS_BITS" envDefault:"1"`
	HostData        string `env:"HOST_DATA" envDefault:""`
}

type VSockConfig

type VSockConfig struct {
	ID       string `env:"VSOCK_ID"        envDefault:"vhost-vsock-pci0"`
	GuestCID int    `env:"VSOCK_GUEST_CID" envDefault:"3"`
	Vnc      int    `env:"VSOCK_VNC"       envDefault:"0"`
}

type VirtioNetPciConfig

type VirtioNetPciConfig struct {
	DisableLegacy string `env:"VIRTIO_NET_PCI_DISABLE_LEGACY" envDefault:"on"`
	IOMMUPlatform bool   `env:"VIRTIO_NET_PCI_IOMMU_PLATFORM" envDefault:"true"`
	Addr          string `env:"VIRTIO_NET_PCI_ADDR"           envDefault:"0x2"`
	ROMFile       string `env:"VIRTIO_NET_PCI_ROMFILE"`
}