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virtio

网络虚拟

virtio

virtio

virtio

虚拟

* "KVM高级配置"部分添加半虚拟(VirtIO)的部分（包括Windows及Linux如何使用VirtIO的内容！）# 每4M创建分卷split -b 41943…

1

From the previous section , you can see that virtio is an abstraction for a set of common emulated devices in a paravirtualized hypervisor.

从前面的小节可以看到，virtio 是对半虚拟化 hypervisor 中的一组通用模拟设备的抽象。

2

At the top is the virtio_driver, which represents the front-end driver in the guest .

在顶级的是 virtio_driver ，它在来宾操作系统中表示前端驱动程序。

3

virtio was developed by Rusty Russell in support of his own virtualization solution called lguest.

virtio 由 RustyRussell 开发，他当时的目的是支持自己的虚拟化解决方案 lguest 。

5

The virtio API relies on a simple buffer abstraction to encapsulate the command and data needs of the guest .

virtioAPI 依赖一个简单的缓冲抽象来封装来宾操作系统需要的命令和数据。

6

At the top level (called virtio) is the virtual queue interface that conceptually attaches front-end drivers to back-end drivers.

在顶级（称为 virtio ）的是虚拟队列接口，它在概念上将前端驱动程序附加到后端驱动程序。

7

This article begins with an introduction to paravirtualization and emulated devices , and then explores the details of virtio.

本文在开篇时介绍半虚拟化和模拟设备，然后探索 virtio 的细节。

8

Devices that match this driver are encapsulated by the virtio_device (a representation of the device in the guest ).

与该驱动程序匹配的设备由 virtio_device （设备在来宾操作系统中的表示）封装。

9

This paper provides a very thorough treatment of virtio and its internals .

这篇论文详尽阐述了 virtio 及其内部结构。

11

In a nutshell , virtio is an abstraction layer over devices in a paravirtualized hypervisor.

概而言之，virtio 是半虚拟化 hypervisor 中位于设备之上的抽象层。

12

virtio is yet another example of the strengths and openness of Linux as a hypervisor.

virtio 这个例子展示了将 Linux 用作 hypervisor 的强大之处和开放性。

13

In sum , Virtio delivers most of the performance benefits of paravirtualization.

总之，使用 Virtio 可获得半虚拟化的最佳性能收益。

14

Linking the guest driver and hypervisor driver occurs through the virtio_device and most commonly through virtqueues.

通过 virtio_device 和 virtqueue （更常见）将来宾操作系统驱动程序与 hypervisor 的驱动程序链接起来。

15

This object returns the virtual queues associated with this virtio_device instance .

该对象返回与这个 virtio_device 实例相关联的虚拟队列。

16

This article touched on the intersection of libvirt (an open virtualization API ) and the virtio framework .

本文讨论 libvirt （一个开源虚拟化 API ）和 virtio 框架的相似之处。

17

This blog post from btm. geek shows the performance advantage of virtio using KVM.

这篇来自 btm.geek 的博客显示了使用 KVM 的 virtio 的优势。

18

One of the most important benefits of virtio is performance in paravirtualized environments .

virtio 的最重要优点之一是在半虚拟化环境中提升效率。

19

You can learn more about the internals of virtio in the Resources section .

您可以在参考资料部分了解更多 virtio 的内容。

20

Note that the virtio_device includes no reference to the virtqueue (but the virtqueue does reference the virtio_device).

注意，virtio_device 不包含到 virtqueue 的引用（但 virtqueue 确实引用了 virtio_device ）。

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