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9463486d58
Dimm is not supported on s390x Fixes: #106 Signed-off-by: Alice Frosi <afrosi@de.ibm.com>
141 lines
3.8 KiB
Go
141 lines
3.8 KiB
Go
// +build s390x s390x_test
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/*
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// Copyright contributors to the Virtual Machine Manager for Go project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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package qemu
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import "log"
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// IBM Z uses CCW devices intead of PCI devices.
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// See https://wiki.qemu.org/Documentation/Platforms/S390X
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const (
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// Virtio9P is the 9pfs device driver.
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Virtio9P DeviceDriver = "virtio-9p-ccw"
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// VirtioSerial is the serial device driver.
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VirtioSerial DeviceDriver = "virtio-serial-ccw"
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// VirtioNet is the virt-io ccw networking device driver.
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VirtioNet DeviceDriver = VirtioNetCCW
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// Vfio is the vfio driver
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Vfio DeviceDriver = "vfio-ccw"
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// VirtioScsi is the virtio-scsi device
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VirtioScsi DeviceDriver = "virtio-scsi-ccw"
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// VHostVSock is a generic Vsock Device
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VHostVSock DeviceDriver = "vhost-vsock-ccw"
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)
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// isVirtioPCI is a fake map on s390x to always avoid the "romfile"
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// option
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var isVirtioPCI = map[DeviceDriver]bool{
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NVDIMM: false,
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Virtio9P: false,
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VirtioNetCCW: false,
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VirtioSerial: false,
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VirtioBlock: false,
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Console: false,
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VirtioSerialPort: false,
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VHostVSock: false,
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VirtioRng: false,
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VirtioBalloon: false,
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VhostUserSCSI: false,
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VhostUserBlk: false,
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Vfio: false,
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VirtioScsi: false,
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PCIBridgeDriver: false,
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PCIePCIBridgeDriver: false,
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}
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// isVirtioCCW returns if the device is a ccw device
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var isVirtioCCW = map[DeviceDriver]bool{
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NVDIMM: false,
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Virtio9P: true,
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VirtioNetCCW: true,
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VirtioSerial: true,
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VirtioBlock: true,
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VirtioBlockCCW: true,
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Console: false,
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VirtioSerialPort: false,
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VHostVSock: true,
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VirtioRng: true,
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VirtioBalloon: true,
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VhostUserSCSI: false,
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VhostUserBlk: false,
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Vfio: true,
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VirtioScsi: true,
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PCIBridgeDriver: false,
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PCIePCIBridgeDriver: false,
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}
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// QemuDeviceParam converts to the QEMU -device parameter notation
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// This function has been reimplemented for the s390x architecture to deal
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// with the VHOSTUSER case. Vhost user devices are not implemented on s390x
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// architecture. For further details see issue
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// https://github.com/kata-containers/runtime/issues/659
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func (n NetDeviceType) QemuDeviceParam() string {
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switch n {
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case TAP:
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return string(VirtioNet)
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case MACVTAP:
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return string(VirtioNet)
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case IPVTAP:
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return string(VirtioNet)
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case VETHTAP:
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return string(VirtioNet)
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case VFIO:
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return string(Vfio)
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case VHOSTUSER:
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log.Fatal("vhost-user devices are not supported on IBM Z")
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return ""
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default:
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return ""
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}
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}
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// QemuNetdevParam converts to the QEMU -netdev parameter notation
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// This function has been reimplemented for the s390x architecture to deal
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// with the VHOSTUSER case. Vhost user devices are not implemented on s390x
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// architecture. For further details see issue
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// https://github.com/kata-containers/runtime/issues/659
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func (n NetDeviceType) QemuNetdevParam() string {
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switch n {
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case TAP:
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return "tap"
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case MACVTAP:
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return "tap"
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case IPVTAP:
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return "tap"
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case VETHTAP:
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return "tap"
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case VFIO:
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return ""
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case VHOSTUSER:
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log.Fatal("vhost-user devices are not supported on IBM Z")
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return ""
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default:
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return ""
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}
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}
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func isDimmSupported() bool {
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return false
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}
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