A method, device and system based on pcie switch communication
A technology of consistency and identification information, applied in the field of communication, can solve the problem of not supporting the mutual sharing of data between processors
Active Publication Date: 2016-12-21
XFUSION DIGITAL TECH CO LTD
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Problems solved by technology
[0003] In the prior art, the I / O devices can only be expanded through the PCIE Switch, so that data sharing can be realized between the I / O devices, and data sharing between processors is not supported.
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0041] Such as figure 1 As shown, a central processing unit (Central Processing Unit, referred to as CPU) and a transmission manager form a processor node, and a plurality of processor nodes are connected to a PCIE Switch, and the central processing unit (CPU) between each processor node is realized through the PCIE Switch. hereinafter also referred to as data sharing between processors).
[0042] The embodiment of the present invention provides a kind of method b...
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Embodiments of the present invention relate to the communications field or the computer field, and provide a method, an apparatus and a system for communication based on a PCIE Switch, used for implementing data sharing between processors through the PCIE Switch. The method comprises: a first transmission manager receiving a memory request sent by a first processor; determining a second transmission manager according to first identification information in the memory request and obtaining a PCIE identifier of the second transmission manager; generating a PCIE request packet according to the memory request, PCIE identifier of the first transmission manager and PCIE identifier of the second transmission manager; sending the PCIE request packet to the second transmission manager through the PCIE Switch so that the second transmission manager sends the memory request to a second processor to be accessed by the first processor according to the PCIE request packet. This enables the first processor to access storage data of the second processor through the PCIE Switch and to obtain data stored by the second processor, and thereby implements a target of sharing data between processors.
Description
technical field [0001] The present invention relates to the field of communication or the field of computers, in particular to a method, device and system based on PCIE Switch communication. Background technique [0002] Currently, a high-speed peripheral component interconnect express (PCIE for short) is widely used in a switching network. PCIE uses a point-to-point serial connection. Compared with the shared parallel structure of the peripheral component interconnect (PCI) and earlier computer buses, in the shared parallel structure of the PCIE bus, each device has its own dedicated connection and does not need to be connected to the entire Bus request bandwidth. PCIE has strong compatibility, all PCIE input / output (Input / Output, referred to as I / O) devices can be connected to high-speed peripheral component interconnection switch (Peripheral Component Interconnect ExpressSwitch, referred to as PCIESwitch) to form a PCIE topology-based Computer network structure. [00...
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IPC IPC(8): G06F13/38
CPCG06F15/167
Inventor 杨荣玉常胜王工艺
Owner XFUSION DIGITAL TECH CO LTD