CN105553886A - PCIE switch capable of flexibly extending port number - Google Patents
PCIE switch capable of flexibly extending port number Download PDFInfo
- Publication number
- CN105553886A CN105553886A CN201510985566.9A CN201510985566A CN105553886A CN 105553886 A CN105553886 A CN 105553886A CN 201510985566 A CN201510985566 A CN 201510985566A CN 105553886 A CN105553886 A CN 105553886A
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- China
- Prior art keywords
- pcie
- exchange chip
- connector
- expansion board
- qsfp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Bus Control (AREA)
Abstract
The invention particularly relates to a PCIE switch capable of flexibly extending a port number. A circuit structure of the configurable protocol conversion state machine (the switch) comprises a flash memory, a global reset control module and a protocol conversion state machine; the protocol conversion state machine comprises a register, a state encoding module, a state matching module and a state decoding module; all of the register, the state encoding module and the state decoding module are connected to the state matching module. According to the PCIE switch capable of flexibly extending the port number, the fixed chip protocol conversion implementation is changed to variable, so that risks in a chip design process can be well controlled, and requirements on verification of protocol details is no longer very complete, thus accelerating the whole chip design flow; the demand on a verification resource is reduced accordingly, so that the circuit structure is simplified, the difficulty in the entire chip system design in reduced as a whole, and the development time is remarkably shortened.
Description
Technical field
The present invention relates to Network integration technical field, particularly a kind of can the PCIE switch of flexible expansion port number.
Background technology
Along with the fast development of the Internet and Internet of Things industry, various data are explosive growth.Data center is more and more higher to network bandwidth requirement, a kind of new Network integration scheme of active demand, and data center can be run with more efficient, high-performance ground mode.
The development of PCIE switching technology, the switch facilitating Based PC IE agreement is born.PCIE switch takes full advantage of the low delay of PCIE bus, the characteristic of high bandwidth, can replace the switch of existing agreement Network Based, more effectively integrate data center.
Based on this, the present invention proposes a kind of can the PCIE switch of flexible expansion port number.By the flexible expansion to port, greatly increase the availability of switch under different application scene.Under different configuration needs, switch is carried out to the port arrangement of varying number, Performance and Cost Modeling is taken into account.
Summary of the invention
The present invention in order to make up the defect of prior art, provide a kind of simple efficiently can the PCIE switch of flexible expansion port number.
The present invention is achieved through the following technical solutions:
A kind of configurable protocol conversion state machine circuit structure, it is characterized in that: comprise backboard, soleplate and expansion board, described soleplate and expansion board are respectively by connector and backplane interconnect, and described expansion board and soleplate can realize hot plug by respective drive program;
Described backboard comprises a PCIE exchange chip and a CPU, and wherein PCIE exchange chip can realize the exchange of data in different PCIE bus, and CPU manages PCIE exchange chip, and controls all boards;
Described soleplate comprises QSFP+ connector and a soft startup of electric power chip of at least 2, and described QSFP+ connector carries out the directly interconnected of PCIE signal by connector and backboard, provides the external output to PCIE bus on backboard;
Described expansion board comprises the QSFP+ connector of at least 4, at least 1 PCIE exchange chip and 1 soft startup of electric power chip, wherein QSFP+ connector provides the external output of the PCIE bus of PCIE exchange chip in expansion board, in expansion board, PCIE exchange chip is connected to the PCIE exchange chip on backboard by connector simultaneously, makes all QSFP+ ports all can carry out exchanges data.
PCIE exchange chip on described backboard at least provides two PCIEx4 buses, is connected to the QSFP+ connector on soleplate by connector, at least provides a PCIEx16 bus, is connected to the PCIE exchange chip in expansion board by connector; Described CPU carries out real-time management and port arrangement by control link to the PCIE exchange chip on backboard and expansion board, carries out monitoring and management to all hardware of complete machine simultaneously.
In described expansion board, each QSFP+ connector is connected to PCIE exchange chip respectively by PCIEx4 bus, and 1 PCIE exchange chip connects 4 QSFP+ connectors, and thus in expansion board, the quantity of QSFP+ connector is 4 times of PCIE exchange chip quantity.
When in described expansion board during more than 1 PCIE exchange chip, be interconnected by PCIEx16 bus between multiple PCIE exchange chip.
Soft startup of electric power chip controls in described soleplate and expansion board the powering on and power down of place board separately, coordinates other signals to complete the hot plug of board.
The invention has the beneficial effects as follows: this can the PCIE switch of flexible expansion port number, can according to different configuration needs, port number configuration is flexibly carried out to exchange hardware, Performance and Cost Modeling is taken into account, greatly increases the availability of switch under different application scene.
Accompanying drawing explanation
Accompanying drawing 1 is the configurable protocol conversion state machine diagram of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention will be described in detail.It should be noted that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
This configurable protocol conversion state machine circuit structure, comprises backboard, soleplate and expansion board, and described soleplate and expansion board are respectively by connector and backplane interconnect, and described expansion board and soleplate can realize hot plug by respective drive program;
Described backboard comprises a PCIE exchange chip and a CPU, and wherein PCIE exchange chip can realize the exchange of data in different PCIE bus, and CPU manages PCIE exchange chip, and controls all boards;
Described soleplate comprises QSFP+ connector and a soft startup of electric power chip of at least 2, and described QSFP+ connector carries out the directly interconnected of PCIE signal by connector and backboard, provides the external output to PCIE bus on backboard;
Described expansion board comprises the QSFP+ connector of at least 4, at least 1 PCIE exchange chip and 1 soft startup of electric power chip, wherein QSFP+ connector provides the external output of the PCIE bus of PCIE exchange chip in expansion board, in expansion board, PCIE exchange chip is connected to the PCIE exchange chip on backboard by connector simultaneously, makes all QSFP+ ports all can carry out exchanges data.
PCIE exchange chip on described backboard at least provides two PCIEx4 buses, is connected to the QSFP+ connector on soleplate by connector, at least provides a PCIEx16 bus, is connected to the PCIE exchange chip in expansion board by connector; Described CPU carries out real-time management and port arrangement by control link to the PCIE exchange chip on backboard and expansion board, carries out monitoring and management to all hardware of complete machine simultaneously.
In described expansion board, each QSFP+ connector is connected to PCIE exchange chip respectively by PCIEx4 bus, and 1 PCIE exchange chip connects 4 QSFP+ connectors, and thus in expansion board, the quantity of QSFP+ connector is 4 times of PCIE exchange chip quantity.
When in described expansion board during more than 1 PCIE exchange chip, be interconnected by PCIEx16 bus between multiple PCIE exchange chip.
Soft startup of electric power chip controls in described soleplate and expansion board the powering on and power down of place board separately, coordinates other signals to complete the hot plug of board.
This can the PCIE switch of flexible expansion port number, can realize following functions:
(1) can according to the demand of port number, the alternative or the two boards card that carry out soleplate and expansion board all assemble;
(2) CPU is to the online management of exchange chip, can monitor complete machine state in real time, controls exchange chip configuration;
(3) by soft startup of electric power chip design, the warm connection function to expansion board and soleplate is realized.
This can the PCIE switch of flexible expansion port number, according to different configuration needs, can carry out port number configuration flexibly, Performance and Cost Modeling is taken into account, greatly increases the availability of switch under different application scene exchange hardware.
Claims (5)
1. a configurable protocol conversion state machine circuit structure, it is characterized in that: comprise backboard, soleplate and expansion board, described soleplate and expansion board are respectively by connector and backplane interconnect, and described expansion board and soleplate can realize hot plug by respective drive program;
Described backboard comprises a PCIE exchange chip and a CPU, and wherein PCIE exchange chip can realize the exchange of data in different PCIE bus, and CPU manages PCIE exchange chip, and controls all boards;
Described soleplate comprises QSFP+ connector and a soft startup of electric power chip of at least 2, and described QSFP+ connector carries out the directly interconnected of PCIE signal by connector and backboard, provides the external output to PCIE bus on backboard;
Described expansion board comprises the QSFP+ connector of at least 4, at least 1 PCIE exchange chip and 1 soft startup of electric power chip, wherein QSFP+ connector provides the external output of the PCIE bus of PCIE exchange chip in expansion board, in expansion board, PCIE exchange chip is connected to the PCIE exchange chip on backboard by connector simultaneously, makes all QSFP+ ports all can carry out exchanges data.
2. configurable protocol conversion state machine circuit structure according to claim 1, it is characterized in that: the PCIE exchange chip on described backboard at least provides two PCIEx4 buses, the QSFP+ connector on soleplate is connected to by connector, a PCIEx16 bus is at least provided, is connected to the PCIE exchange chip in expansion board by connector; Described CPU carries out real-time management and port arrangement by control link to the PCIE exchange chip on backboard and expansion board, carries out monitoring and management to all hardware of complete machine simultaneously.
3. configurable protocol conversion state machine circuit structure according to claim 1 and 2, it is characterized in that: in described expansion board, each QSFP+ connector is connected to PCIE exchange chip respectively by PCIEx4 bus, 1 PCIE exchange chip connects 4 QSFP+ connectors, and thus in expansion board, the quantity of QSFP+ connector is 4 times of PCIE exchange chip quantity.
4. configurable protocol conversion state machine circuit structure according to claim 3, is characterized in that: when in described expansion board during more than 1 PCIE exchange chip, be interconnected between multiple PCIE exchange chip by PCIEx16 bus.
5. configurable protocol conversion state machine circuit structure according to claim 1, is characterized in that: the powering on and power down of place board separately of the soft startup of electric power chip controls in described soleplate and expansion board, coordinates other signals to complete the hot plug of board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985566.9A CN105553886A (en) | 2015-12-25 | 2015-12-25 | PCIE switch capable of flexibly extending port number |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985566.9A CN105553886A (en) | 2015-12-25 | 2015-12-25 | PCIE switch capable of flexibly extending port number |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105553886A true CN105553886A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510985566.9A Pending CN105553886A (en) | 2015-12-25 | 2015-12-25 | PCIE switch capable of flexibly extending port number |
Country Status (1)
| Country | Link |
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| CN (1) | CN105553886A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992815A (en) * | 2017-04-01 | 2017-07-28 | 黑龙江恒讯科技有限公司 | A kind of HBA cards based on QSFP interfaces 128G |
| CN109408440A (en) * | 2018-11-06 | 2019-03-01 | 郑州云海信息技术有限公司 | A kind of PCIE expanding unit |
| CN110362511A (en) * | 2018-04-11 | 2019-10-22 | 杭州海康威视数字技术股份有限公司 | A kind of PCIE device |
| WO2019223233A1 (en) * | 2018-05-24 | 2019-11-28 | 郑州云海信息技术有限公司 | Blade server architecture based on redundant and extended configuration |
| CN113515478A (en) * | 2021-08-03 | 2021-10-19 | 无锡众星微系统技术有限公司 | PCIe Switch system expansion management method |
| CN113626364A (en) * | 2021-06-30 | 2021-11-09 | 海光信息技术股份有限公司 | High-speed serial interface and conversion circuit for same |
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| CN102595260A (en) * | 2012-03-20 | 2012-07-18 | 福建星网锐捷网络有限公司 | Data exchange system and operating mode self-negotiation method thereof |
| CN102662903A (en) * | 2012-03-31 | 2012-09-12 | 浪潮电子信息产业股份有限公司 | Method for realizing hot-plug of PCIE equipment by CPLD or FPGA |
| CN103078747A (en) * | 2012-12-28 | 2013-05-01 | 华为技术有限公司 | PCIe (Peripheral Component Interface Express) switchboard and working method thereof |
| CN203191887U (en) * | 2013-04-08 | 2013-09-11 | 浪潮电子信息产业股份有限公司 | Multi-channel bus converter board card based on field programmable gate array (FPGA) |
| CN104820655A (en) * | 2015-05-15 | 2015-08-05 | 浪潮电子信息产业股份有限公司 | CPU hot plug implementation method and system based on FPGA |
| CN105119849A (en) * | 2015-07-21 | 2015-12-02 | 浪潮(北京)电子信息产业有限公司 | Switch architecture and data management method applied to same |
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2015
- 2015-12-25 CN CN201510985566.9A patent/CN105553886A/en active Pending
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| CN102595260A (en) * | 2012-03-20 | 2012-07-18 | 福建星网锐捷网络有限公司 | Data exchange system and operating mode self-negotiation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992815A (en) * | 2017-04-01 | 2017-07-28 | 黑龙江恒讯科技有限公司 | A kind of HBA cards based on QSFP interfaces 128G |
| CN110362511A (en) * | 2018-04-11 | 2019-10-22 | 杭州海康威视数字技术股份有限公司 | A kind of PCIE device |
| CN110362511B (en) * | 2018-04-11 | 2021-07-02 | 杭州海康威视数字技术股份有限公司 | PCIE equipment |
| WO2019223233A1 (en) * | 2018-05-24 | 2019-11-28 | 郑州云海信息技术有限公司 | Blade server architecture based on redundant and extended configuration |
| CN109408440A (en) * | 2018-11-06 | 2019-03-01 | 郑州云海信息技术有限公司 | A kind of PCIE expanding unit |
| CN113626364A (en) * | 2021-06-30 | 2021-11-09 | 海光信息技术股份有限公司 | High-speed serial interface and conversion circuit for same |
| CN113626364B (en) * | 2021-06-30 | 2024-05-31 | 海光信息技术股份有限公司 | High-speed serial interface and conversion circuit for same |
| CN113515478A (en) * | 2021-08-03 | 2021-10-19 | 无锡众星微系统技术有限公司 | PCIe Switch system expansion management method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |