ZERO-COPY NETWORK I/O FOR VIRTUAL HOSTS,申请号US201414252028-传众专利搜索

ZERO-COPY NETWORK I/O FOR VIRTUAL HOSTS

申请公布号：US2014229946(A1)

申请号：US201414252028

申请日期：2014.04.14

申请公布日期：2014.08.14

申请人：

Red Hat, Inc.

发明人：van Riel Henri Han

分类号：G06F9/455

主分类号：G06F9/455

地址：Raleigh NC US

摘要：Systems and methods for enabling network communication I/O operations to virtual machines. An example method may include: identifying a network packet destined for a virtual process controlled by a guest operating system, identifying a memory location corresponding to a virtual memory location utilized by the virtual process, and copying data from the network packet into the memory location corresponding to the virtual memory location. Another example method may include: retrieving, from a first memory location, data to be included in a network packet, wherein the first memory location corresponds to a virtual memory location utilized by a virtual process controlled by a guest operating system, retrieve, from a second memory location, a header to be included in the network packet, wherein the second memory location corresponds to a kernel buffer location of the guest operating system, and combining the header and the data to form the network packet.

主权项：1. A method comprising: identifying a network packet destined for a virtual process controlled by a guest operating system; identifying, by a processing device, a physical memory location corresponding to a virtual memory location utilized by the virtual process; and copying data from the network packet into the physical memory location corresponding to the virtual memory location.