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How to use handleVfioPciArg method of qemu Package

Best Syzkaller code snippet using qemu.handleVfioPciArg

qemu.go

Source:qemu.go

...517	bootOutputStop <- true518	return nil519}520// "vfio-pci,host=BN:DN.{{FN%8}},addr=0x11".521func handleVfioPciArg(arg string, index int) string {522	if !strings.Contains(arg, "{{FN%8}}") {523		return arg524	}525	if index > 7 {526		re := regexp.MustCompile(`vfio-pci,host=[a-bA-B0-9]+(:[a-bA-B0-9]{1,8}).{{FN%8}},[^:.,]+$`)527		matches := re.FindAllStringSubmatch(arg, -1)528		if len(matches[0]) != 2 {529			return arg530		}531		submatch := matches[0][1]532		dnSubmatch, _ := strconv.ParseInt(submatch[1:], 16, 64)533		devno := dnSubmatch + int64(index/8)534		arg = strings.ReplaceAll(arg, submatch, fmt.Sprintf(":%02x", devno))535	}536	arg = strings.ReplaceAll(arg, "{{FN%8}}", fmt.Sprint(index%8))537	return arg538}539func splitArgs(str, templateDir string, index int) (args []string) {540	for _, arg := range strings.Split(str, " ") {541		if arg == "" {542			continue543		}544		arg = strings.ReplaceAll(arg, "{{INDEX}}", fmt.Sprint(index))545		arg = strings.ReplaceAll(arg, "{{TEMPLATE}}", templateDir)546		arg = handleVfioPciArg(arg, index)547		const tcpPort = "{{TCP_PORT}}"548		if strings.Contains(arg, tcpPort) {549			arg = strings.ReplaceAll(arg, tcpPort, fmt.Sprint(vmimpl.UnusedTCPPort()))550		}551		args = append(args, arg)552	}553	return554}555func (inst *instance) Forward(port int) (string, error) {556	if port == 0 {557		return "", fmt.Errorf("vm/qemu: forward port is zero")558	}559	if !inst.target.HostFuzzer {560		if inst.forwardPort != 0 {...

handleVfioPciArg

Using AI Code Generation

1import (2type qemu struct {3}4func (q *qemu) handleVfioPciArg(arg string) error {5	fmt.Println("vfio-pci arg is ", arg)6}7func main() {8	q := &qemu{}9	q.handleVfioPciArg("vfio-pci arg")10}11import (12type qemu struct {13}14func (q *qemu) handleVfioPciArg(arg string) error {15	fmt.Println("vfio-pci arg is ", arg)16}17func main() {18	q.handleVfioPciArg("vfio-pci arg")19}20import (21type qemu interface {22	handleVfioPciArg(arg string) error23}24type qemuImpl struct {25}26func (q *qemuImpl) handleVfioPciArg(arg string) error {27	fmt.Println("vfio-pci arg is ", arg)28}29func main() {30	q = &qemuImpl{}31	q.handleVfioPciArg("vfio-pci arg")32}33import (34type qemu interface {35	handleVfioPciArg(arg string) error36}37type qemuImpl struct {38}39func (q *qemuImpl) handleVfioPciArg(arg string) error {

handleVfioPciArg

Using AI Code Generation

1func (q *qemu) handleVfioPciArg() {2    q.qemuParams = append(q.qemuParams, "-device", "vfio-pci,host="+q.config.Devices[0].HostAddr)3}4func (q *qemu) appendBridges() {5    for _, b := range q.config.Bridges {6        if b.Type != "" {7        }8        q.qemuParams = append(q.qemuParams, "-device", fmt.Sprintf("%s-bridge,id=%s", bridgeType, b.ID))9        for _, addr := range b.Devices {10            q.qemuParams = append(q.qemuParams, "-device", fmt.Sprintf("%s,id=%s,bus=%s,addr=%s", bridgeType, addr.ID, b.ID, addr.Addr))11        }12    }13}

handleVfioPciArg

Using AI Code Generation

1func (q *qemu) handleVfioPciArg(devices []Device, vfioDev *config.VFIODev) (govmmQemu.Device, error) {2        if vfioDev.VFIODevice == "" {3                return nil, fmt.Errorf("VFIO device cannot be empty")4        }5        vfioDev.ID = fmt.Sprintf("%s-%s", vfioDev.Type, vfioDev.VFIODevice)6        vfioDev.SysfsDev = filepath.Join(sysBusPrefix, vfioDev.VFIODevice)7        vfioDev.SysfsDev = filepath.Join(vfioDev.SysfsDev, "device")8        vfioDev.SysfsDev = filepath.Join(vfioDev.SysfsDev, "iommu_group")9        vfioDev.SysfsGroup = filepath.Join(sysIommuGroupPrefix, vfioDev.VFIODevice)10        vfioDev.SysfsGroup = filepath.Join(vfioDev.SysfsGroup, "device")11        vfioDev.SysfsGroup = filepath.Join(vfioDev.SysfsGroup, "iommu_group")12        vfioDev.SysfsGroupDevices = filepath.Join(sysIommuGroupPrefix, vfioDev.VFIODevice)13        vfioDev.SysfsGroupDevices = filepath.Join(vfioDev.SysfsGroupDevices, "devices")14        vfioDev.SysfsGroupNumber, err := ioutil.ReadFile(vfioDev.SysfsGroup)15        if err != nil {16                return nil, fmt.Errorf("Could not read IOMMU group number from %s: %s", vfioDev.SysfsGroup, err)17        }18        vfioDev.SysfsGroupNumber = bytes.TrimSpace(vfioDev.SysfsGroupNumber)19        vfioDev.SysfsGroupDevicesList, err := ioutil.ReadDir(vfioDev.SysfsGroupDevices)20        if err != nil {21                return nil, fmt.Errorf("Could not read IOMMU group devices from %s: %s", vfioDev.SysfsGroupDevices, err)22        }23}24func (

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