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https://github.com/kata-containers/kata-containers.git
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7757dceab3
The CPUinfo need to be refined in Arm architecture, because the vendor and model of CPU may refer to different meaning in Arm architecture. Besides, relevant contents extracted from /proc/cpuinfo may need to be normalized for human-readability. Fixes: #368 Signed-off-by: Penny Zheng <penny.zheng@arm.com> Signed-off-by: Wei Chen <wei.chen@arm.com>
81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
// Copyright (c) 2018 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package main
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import (
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"github.com/sirupsen/logrus"
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)
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const (
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cpuFlagsTag = genericCPUFlagsTag
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archCPUVendorField = genericCPUVendorField
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archCPUModelField = genericCPUModelField
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)
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// archRequiredCPUFlags maps a CPU flag value to search for and a
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// human-readable description of that value.
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var archRequiredCPUFlags = map[string]string{
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"vmx": "Virtualization support",
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"lm": "64Bit CPU",
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"sse4_1": "SSE4.1",
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}
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// archRequiredCPUAttribs maps a CPU (non-CPU flag) attribute value to search for
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// and a human-readable description of that value.
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var archRequiredCPUAttribs = map[string]string{
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"GenuineIntel": "Intel Architecture CPU",
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}
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// archRequiredKernelModules maps a required module name to a human-readable
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// description of the modules functionality and an optional list of
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// required module parameters.
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var archRequiredKernelModules = map[string]kernelModule{
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"kvm": {
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desc: "Kernel-based Virtual Machine",
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},
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"kvm_intel": {
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desc: "Intel KVM",
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parameters: map[string]string{
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"nested": "Y",
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// "VMX Unrestricted mode support". This is used
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// as a heuristic to determine if the system is
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// "new enough" to run a Kata Container
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// (atleast a Westmere).
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"unrestricted_guest": "Y",
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},
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},
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"vhost": {
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desc: "Host kernel accelerator for virtio",
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},
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"vhost_net": {
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desc: "Host kernel accelerator for virtio network",
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},
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}
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// kvmIsUsable determines if it will be possible to create a full virtual machine
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// by creating a minimal VM and then deleting it.
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func kvmIsUsable() error {
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return genericKvmIsUsable()
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}
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func archHostCanCreateVMContainer() error {
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return kvmIsUsable()
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}
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// hostIsVMContainerCapable checks to see if the host is theoretically capable
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// of creating a VM container.
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func hostIsVMContainerCapable(details vmContainerCapableDetails) error {
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return genericHostIsVMContainerCapable(details)
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}
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func archKernelParamHandler(onVMM bool, fields logrus.Fields, msg string) bool {
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return genericArchKernelParamHandler(onVMM, fields, msg)
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}
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func getCPUDetails() (vendor, model string, err error) {
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return genericGetCPUDetails()
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}
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