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Address conversion method, device and system

A technology of address conversion and address, which is applied in the server field, can solve the problems of ATU resource waste and low processing efficiency, and achieve the effects of avoiding resource waste, reducing quantity, and avoiding low message processing

Active Publication Date: 2018-12-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides an address conversion method, device and system, which can be used to solve the problems of resource waste and low processing efficiency in the ATU implementation process in the traditional technology

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  • Address conversion method, device and system
  • Address conversion method, device and system
  • Address conversion method, device and system

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0037] Before explaining the embodiment of the application in detail, the application background of the application is introduced first:

[0038] With the development of cloud technology, multiple VMs are usually deployed on a server, and the server can provide services to different tenants through different VMs. And as the server usage time increases, the number of VMs deployed on the server will also increase, resulting in more and more data stored in the server. Therefore, it is usually necessary to transfer the data stored in the server to realize the processing of the server. The function of the server is offloaded, thereby reducing the data processing pressure of the server. Among them, the realization method of transferri...

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Abstract

The invention discloses an address conversion method, an address conversion device and an address conversion system. The method comprises the steps as follows: a first address transformation unit (ATU) receives an access request sent by a first virtual machine (VM), wherein the access request carries a first address and parameter information of the first address, the parameter information of the first address comprises an identifier of a target virtual function (VF), the first ATU determines a matching relation according to the parameter information of the first address and VF range description information in an address mapping table, and when the identifier of the target VF is successfully matched with the VF range description information, the first ATU transforms the first address to a second address according to the address mapping table. Therefore, the quantity of ATU is reduced, and the resource utilization rate and message processing efficiency are enhanced.

Description

technical field [0001] The present application relates to the technical field of servers, in particular to an address conversion method, device and system. Background technique [0002] With the development of virtualization technology, in order to improve the virtualization processing capability in the server, a system on chip (SoC) will be connected to the server (for example, SoC to expand the peripheral component interconnection high-speed (Peripheral Component Interconnect Express, PCIe) The server is connected to the server in the form of a bus standard card), and the SoC shares part of the server's processor functions, so that the SoC is used to offload the server's processor functions. [0003] Currently, in the server, due to PCIe limitations, there is an address domain A in the processor of the server, and another address domain B in the SoC. The two address domains may have the same address, and the processor needs to distinguish these two addresses. Access objec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/1009G06F12/1036G06F13/42
CPCG06F12/1009G06F12/1036G06F13/4221G06F13/4282G06F12/1081G06F12/109G06F2212/151G06F2212/1041G06F2212/1016G06F2212/657G06F12/0292G06F12/0284G06F9/45558G06F2009/45583G06F2213/0026
Inventor 李正杰匡小波栗炜
Owner HUAWEI TECH CO LTD
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