runtime: move all code to src/runtime

To prepare for merging into kata-containers repository.

Signed-off-by: Peng Tao <bergwolf@hyper.sh>

src/runtime/virtcontainers/macvtap_endpoint.go

@@ -0,0 +1,123 @@
+// Copyright (c) 2018 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package virtcontainers
+
+import (
+	"fmt"
+	"os"
+
+	persistapi "github.com/kata-containers/runtime/virtcontainers/persist/api"
+)
+
+// MacvtapEndpoint represents a macvtap endpoint
+type MacvtapEndpoint struct {
+	EndpointProperties NetworkInfo
+	EndpointType       EndpointType
+	VMFds              []*os.File
+	VhostFds           []*os.File
+	PCIAddr            string
+}
+
+func createMacvtapNetworkEndpoint(netInfo NetworkInfo) (*MacvtapEndpoint, error) {
+	endpoint := &MacvtapEndpoint{
+		EndpointType:       MacvtapEndpointType,
+		EndpointProperties: netInfo,
+	}
+
+	return endpoint, nil
+}
+
+// Properties returns the properties of the macvtap interface.
+func (endpoint *MacvtapEndpoint) Properties() NetworkInfo {
+	return endpoint.EndpointProperties
+}
+
+// HardwareAddr returns the mac address of the macvtap network interface.
+func (endpoint *MacvtapEndpoint) HardwareAddr() string {
+	return endpoint.EndpointProperties.Iface.HardwareAddr.String()
+}
+
+// Name returns name of the macvtap interface.
+func (endpoint *MacvtapEndpoint) Name() string {
+	return endpoint.EndpointProperties.Iface.Name
+}
+
+// Type indentifies the endpoint as a macvtap endpoint.
+func (endpoint *MacvtapEndpoint) Type() EndpointType {
+	return endpoint.EndpointType
+}
+
+// SetProperties sets the properties of the macvtap endpoint.
+func (endpoint *MacvtapEndpoint) SetProperties(properties NetworkInfo) {
+	endpoint.EndpointProperties = properties
+}
+
+// Attach for macvtap endpoint passes macvtap device to the hypervisor.
+func (endpoint *MacvtapEndpoint) Attach(h hypervisor) error {
+	var err error
+
+	endpoint.VMFds, err = createMacvtapFds(endpoint.EndpointProperties.Iface.Index, int(h.hypervisorConfig().NumVCPUs))
+	if err != nil {
+		return fmt.Errorf("Could not setup macvtap fds %s: %s", endpoint.EndpointProperties.Iface.Name, err)
+	}
+
+	if !h.hypervisorConfig().DisableVhostNet {
+		vhostFds, err := createVhostFds(int(h.hypervisorConfig().NumVCPUs))
+		if err != nil {
+			return fmt.Errorf("Could not setup vhost fds %s : %s", endpoint.EndpointProperties.Iface.Name, err)
+		}
+		endpoint.VhostFds = vhostFds
+	}
+
+	return h.addDevice(endpoint, netDev)
+}
+
+// Detach for macvtap endpoint does nothing.
+func (endpoint *MacvtapEndpoint) Detach(netNsCreated bool, netNsPath string) error {
+	return nil
+}
+
+// HotAttach for macvtap endpoint not supported yet
+func (endpoint *MacvtapEndpoint) HotAttach(h hypervisor) error {
+	return fmt.Errorf("MacvtapEndpoint does not support Hot attach")
+}
+
+// HotDetach for macvtap endpoint not supported yet
+func (endpoint *MacvtapEndpoint) HotDetach(h hypervisor, netNsCreated bool, netNsPath string) error {
+	return fmt.Errorf("MacvtapEndpoint does not support Hot detach")
+}
+
+// PciAddr returns the PCI address of the endpoint.
+func (endpoint *MacvtapEndpoint) PciAddr() string {
+	return endpoint.PCIAddr
+}
+
+// SetPciAddr sets the PCI address of the endpoint.
+func (endpoint *MacvtapEndpoint) SetPciAddr(pciAddr string) {
+	endpoint.PCIAddr = pciAddr
+}
+
+// NetworkPair returns the network pair of the endpoint.
+func (endpoint *MacvtapEndpoint) NetworkPair() *NetworkInterfacePair {
+	return nil
+}
+
+func (endpoint *MacvtapEndpoint) save() persistapi.NetworkEndpoint {
+	return persistapi.NetworkEndpoint{
+		Type: string(endpoint.Type()),
+
+		Macvtap: &persistapi.MacvtapEndpoint{
+			PCIAddr: endpoint.PCIAddr,
+		},
+	}
+}
+func (endpoint *MacvtapEndpoint) load(s persistapi.NetworkEndpoint) {
+	endpoint.EndpointType = MacvtapEndpointType
+
+	if s.Macvtap != nil {
+		endpoint.PCIAddr = s.Macvtap.PCIAddr
+	}
+}