CN102201959A - Network interface system of substrate management controller - Google Patents

Network interface system of substrate management controller Download PDF

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Publication number
CN102201959A
CN102201959A CN2010101415507A CN201010141550A CN102201959A CN 102201959 A CN102201959 A CN 102201959A CN 2010101415507 A CN2010101415507 A CN 2010101415507A CN 201010141550 A CN201010141550 A CN 201010141550A CN 102201959 A CN102201959 A CN 102201959A
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CN
China
Prior art keywords
baseboard management
management controller
network interface
controller
motherboard
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Pending
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CN2010101415507A
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Chinese (zh)
Inventor
余璘
陈志伟
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Inventec Corp
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Inventec Corp
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Publication date
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Priority to CN2010101415507A priority Critical patent/CN102201959A/en
Publication of CN102201959A publication Critical patent/CN102201959A/en
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Abstract

The invention provides a network interface system of a substrate management controller. The network interface system comprises a management module, a plurality of motherboards, a plurality of transmission interfaces and a plurality of universal input and output pins, wherein the plurality of motherboards further comprise a peripheral equipment interface controller and a network interface controller respectively; and the management module is correspondingly connected with the network interface controller through the plurality of transmission interfaces and the plurality of universal input and output pins to correspondingly control and manage the plurality of motherboards respectively. The plurality of motherboards inform the substrate management controller in the management module of performing data transmission in a sideband communication mode, so that the aim of expanding the network interface of the substrate management controller is fulfilled.

Description

The network interface system of baseboard management controller
Technical field
The invention relates to a kind of baseboard management controller of server, particularly about a kind of network interface system of baseboard management controller.
Background technology
Traditionally, in having the server system of a plurality of motherboards, on each motherboard, all install a baseboard management controller (Baseboard Management Controller, BMC).Traditional server system is promptly with the baseboard management controller on each motherboard, and its motherboard at place is separately controlled in management respectively, still, but is difficult between the motherboard plan as a whole and coordinated operation.
Because a baseboard management controller all is installed on each motherboard, the manufacturing cost of server system is than higher.In addition, owing to must intercom mutually between a plurality of motherboards, or by network and PERCOM peripheral communication or upgrade, so the unusual complexity of the process of communication.Therefore, propose a kind of new server system, finish mutual assistance between a plurality of motherboards, become the industry problem demanding prompt solution with lower cost.
Summary of the invention
Therefore, main purpose of the present invention is the network interface system that proposes a kind of baseboard management controller, is applied in the server system, comprises an administration module, a plurality of motherboard, a plurality of coffret and a plurality of general input and output pin.Wherein, administration module also comprises a baseboard management controller, is connected to described a plurality of motherboard, with the described a plurality of motherboards of control and management.Wherein, each motherboard all has a network interface controller, is connected to a South Bridge chip and controlled by it, for described motherboard and described server system external transmission data; An and peripheral interface controller, be connected to described network interface controller by described South Bridge chip, and connect described baseboard management controller, so that receive the instruction that described baseboard management controller sends, and the described instruction of foundation transfers data to described baseboard management controller.Described a plurality of coffret is located on the baseboard management controller, and each coffret correspondence is connected to the network interface controller on each motherboard.Described a plurality of general input and output pin is connected to described baseboard management controller from each network interface controller respectively.
The present invention is by the I between baseboard management controller and the network interface controller 2The I of C interface (Inter-Integrated Circuit Interface) 2C host-host protocol (I 2C Protocol) Chuan Shu data communication, and by the Intelligent Platform Management Bus between baseboard management controller and each the peripheral interface controller (Intelligent Platform Management Bus, the IPMB) data communication that host-host protocol transmitted.Thus, the data that baseboard management controller more can be transmitted by the network interface controller receiving remote system on one of them motherboard are carried out corresponding operating according to described data to the another one motherboard again.So, can utilize the network interface controller on each motherboard, be connected with baseboard management controller and communicate by letter.And by the network interface controller on each motherboard, come baseboard management controller is carried out Network Transmission, thereby the purpose of the network interface of baseboard management controller is expanded in realization.
Description of drawings
For above-mentioned purpose of the present invention and further feature, advantage and execution mode can be become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1 is in an embodiment of the present invention, the network interface system block diagram of baseboard management controller; And
Fig. 2 is in another execution mode of the present invention, the flow chart of steps of a plurality of network interface transfer of data of baseboard management controller.
[primary clustering symbol description]
10: server system 113～143: South Bridge chip
20: network 200: administration module
30: remote system 201: baseboard management controller
110～140: motherboard 210～240: coffret
111～141: network interface controller 250～280: general input and output pin
112～142: peripheral interface controller 400～480: steps flow chart
Embodiment
Clearly demonstrate spirit of the present invention in detail below with reference to accompanying drawing.The technical staff in the technical field after understanding preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and modification, but do not depart from the scope of the present invention and aim.
Please refer to shown in Figure 1ly, be the network interface system block diagram of baseboard management controller in an embodiment of the present invention.The network interface system of the baseboard management controller in the present embodiment, be located in the server system 10, comprise motherboard 110,120,130 and 140, administration module 200, coffret 210,220,230,240 and general input and output pin 250,260,270,280.
Motherboard 110～140 is used to carry out the data operation of server system 10, comprises network interface controller 111,121,131,141 respectively, peripheral interface controller 112,122,132,142 and South Bridge chip 113,123,133,143.Because motherboard 110～140 has identical element, is simplified illustration, only with motherboard 110 its element is described at this, but be not to form in order to all elements that limit on the motherboard 110～140.With motherboard 110 is example, and network interface controller 111 is connected to South Bridge chip 113 and controlled by it, carries out transfer of data for the external network 20 of motherboard 110 and server system 10.Motherboard 110 is connected to baseboard management controller 201 with ancillary equipment interface controller 112 by coffret 210.And peripheral interface controller 112 is connected to network interface controller 111 by South Bridge chip 113, peripheral interface controller 112 can receive the instruction that baseboard management controller 201 sends, and gives baseboard management controller 201 according to described instruction passback data.Wherein, above-mentioned peripheral interface controller 112 be a CPLD (Complex ProgrammableLogic Device, CPLD) or a programmable logic device (Programmable Integrated Circuit, PIC).
Administration module 200 comprises a baseboard management controller 201, is coupled to described a plurality of motherboard 110～140, and comes the described motherboard 110～140 of control and management by the peripheral interface controller 112～142 on the motherboard 110～140 respectively.Wherein, (Intelligent PlatformManagement Bus, IPMB) host-host protocol communicates by an Intelligent Platform Management Bus between aforesaid substrate Management Controller 201 and each the peripheral interface controller 112～142.
In the present embodiment, server system 10 has four motherboards 110～140, can identify different motherboards for making baseboard management controller 201, is sent by which motherboard with judgment signal, maybe which motherboard is data must be transmitted or be received from.Therefore, in the present embodiment, baseboard management controller 201 can offer specific sequence number of each motherboard, makes baseboard management controller 201 identify the motherboard corresponding with described specific numbers by described specific numbers.
Coffret 210～240 is located on the administration module 200, connects baseboard management controller 201, and the corresponding network interface controller 111～141 that connects on each motherboard 110～140.Therefore, baseboard management controller 201 can pass through the network interface controller 111 of coffret 210 direct driving host plates 110 respectively, network interface controller 121 by coffret 220 direct driving host plates 120, by the network interface controller 131 of coffret 230 direct driving host plates 130, reach network interface controller 141 by coffret 240 direct driving host plates 140.And after any one network interface controller 111,121,131 or 141 is driven by baseboard management controller 201, baseboard management controller 201 can carry out transfer of data by the network 20 and the remote system 30 of server system 10 outsides by network interface controller 111,121,131 or 141.Wherein, above-mentioned coffret 210～240 is an I 2C interface (Inter-IntegratedCircuit Interface), and pass through an I between baseboard management controller 201 and the network interface controller 111～141 2C host-host protocol (I 2C Protocol) communicates.
General input and output pin 250～280 can connect corresponding network interface controller 111～141 on the motherboard 110～140 respectively from baseboard management controller 201.Therefore, each network interface controller 111～141 all can send an interrupt instruction to baseboard management controller 201 by the general input and output pin 250～280 corresponding with it, prepares to receive data with notice baseboard management controller 201.And after baseboard management controller 201 is received described interrupt instruction, promptly can judge that interrupt instruction is to transmit from which motherboard according to the specific numbers of representing motherboard 110～140.When judge with the corresponding motherboard of described specific numbers after, the coffret that baseboard management controller 201 can be by being connected with the motherboard that sends interrupt instruction receives the data packet that one of them transmitted from network interface controller 111～141.And, utilize the characteristics of baseboard management controller 201 by peripheral interface controller 112～142 control and management motherboards 110～140, the data that baseboard management controller 201 can transmit by the network interface controller on one of them motherboard (as: network interface controller 111) receiving remote system 30 are carried out corresponding operation by another network interface controller (as: network interface controller 112,113 or 114) to the another one motherboard according to described data again.
Thus, the baseboard management controller in a plurality of motherboard server systems can utilize the network interface controller on each motherboard, passes through I 2C interface is connected with baseboard management controller and communicates by letter, thereby reaches the purpose of the network interface that expands baseboard management controller.Even the data that baseboard management controller can be transmitted by the network interface controller receiving remote system on one of them motherboard are carried out corresponding operating according to described data to the another one motherboard again.
Please refer in another execution mode of the present invention shown in Figure 2 the flow chart of a plurality of network interface transfer of data of baseboard management controller.In the present embodiment, details are as follows for the step that the multi-network interface transfer of data flow process 400 of baseboard management controller is comprised:
In step 410, provide a web channel recognition mechanism.In the present embodiment, baseboard management controller 201 provides a specific numbers of respective hosts plate 110,120,130,140 respectively, so that baseboard management controller 201 can pass through this specific numbers, identifies four motherboards 110,120,130 or 140.And identify network interface controller 111,121,131 or 141 (referring to Fig. 1) on the motherboard 110～140 thus.
In step 420, select a web channel, and drive the network interface controller on the motherboard of corresponding described web channel.Promptly selected respective hosts plate 110,120,130 and 140 one of them network interface controllers drive.After driving network interface controller 111,121,131 or 141, could set up communicating by letter between baseboard management controller 201 and network interface controller 111,121,131 and 141 respectively.
In step 430, send an interrupt signal to baseboard management controller 201 by driven network interface controller.In the present embodiment, after one of them of network interface controller 111,121,131 or 141 is driven, and when the remote system 30 of server system 10 outsides had the transfer of data demand, remote system 30 can be sent interrupt signal by network 20 and 111,121,131 or 141 pairs of baseboard management controllers 201 of network interface controller.Wherein, network interface controller 111,121,131 or 141 is by general input and output pin 250,260,270 or 280, and described interrupt signal is sent to described baseboard management controller 201, receives data to notify described baseboard management controller 201.
In step 440, baseboard management controller 201 judges whether to receive described interrupt signal.Do not receive described interrupt signal when baseboard management controller 201, then proceed to judge.Receive the interrupt signal that transmits by general input and output pin 250,260,270 or 280 when baseboard management controller 201, then change step 450 over to.
In step 450, baseboard management controller 201 judges that described interrupt signal is from network interface controller 111,121,131 or 141 which.In the present embodiment, in step 440, baseboard management controller 201 is received interrupt signal, then interrupts the operation of baseboard management controller 201.Then in step 450, baseboard management controller 201 is promptly by aforementioned specific numbers corresponding to each motherboard, in network interface controller 111,121,131 or 141 which identifies interrupt signal and be from what person in motherboard 110,120,130 or 140, be to judge this interrupt signal.
In step 460, interrupt the operation of described baseboard management controller 201.In the present embodiment, judging this interrupt signal when baseboard management controller 201 is from after in network interface controller 111,121,131 or 141 one of them, promptly interrupt the operation of baseboard management controller 201, to prepare to receive the data packet of the outer remote system 30 that is transmitted by network interface controller 111,121,131 or 141.
In step 470, baseboard management controller 201 receives the data packet that transmits from network interface controller 111,121,131 or 141.In the present embodiment, after the operation of interrupting this baseboard management controller 201,201 of baseboard management controllers begin to receive by outer remote system 30 by network interface controller 111,121,131 or 141 data packets that transmitted.
In step 480, baseboard management controller 201 receives the data packet that transmits from network interface controller.In the present embodiment, utilize the characteristics of baseboard management controller 201 by peripheral interface controller 112～142 corresponding control and management motherboards 110～140, baseboard management controller 201 can carry out corresponding operating to another motherboard according to this data packet after the data packet that receiving remote system 30 transmits.
The application of the network interface system by baseboard management controller of the present invention, server system can utilize the network interface controller on each motherboard, with I 2C interface is connected with baseboard management controller and communicates by letter, thereby by the network interface controller on each motherboard, comes baseboard management controller is carried out Network Transmission.Thus, the data that baseboard management controller can transmit by the network interface controller receiving remote system on one of them motherboard are carried out corresponding operating according to described data to the another one motherboard again.Thereby the present invention can reach the network interface that expands baseboard management controller, and the purpose of interactive communication between a plurality of motherboards of easier realization.
Though the present invention discloses as above with better embodiment, is not to be used for limiting the present invention, any those skilled in the art without departing from the spirit and scope of the present invention, can do various changes and modification.Therefore, protection scope of the present invention should be as the criterion with the scope that claims were defined.

Claims (10)

1. the network interface system of a baseboard management controller is applied to it is characterized in that in the server system that the network interface system of described baseboard management controller comprises:
One administration module comprises a baseboard management controller, and described baseboard management controller is coupled to a plurality of motherboards,, it is characterized in that described a plurality of motherboards include with the described a plurality of motherboards of control and management:
Network interface controller is connected to a South Bridge chip, and by described South Bridge chip control, for
Described motherboard and described server system external transmission data; And
The peripheral interface controller is connected to described network interface controller by this South Bridge chip,
And connect described baseboard management controller, in order to receiving the instruction that described baseboard management controller sends,
And transfer data to described baseboard management controller according to described instruction;
A plurality of coffrets are located on the described administration module, and described a plurality of coffrets connect described baseboard management controller, and connect corresponding network interface controller on described a plurality of motherboard respectively; And
A plurality of general input and output pins are used for described baseboard management controller and connect corresponding network interface controller on described a plurality of motherboard respectively.
2. the network interface system of baseboard management controller according to claim 1, it is characterized in that, described server system comprises first motherboard and second motherboard at least, the network interface controller of described first motherboard is connected to a remote system by a network, to receive the data of described remote system transmission, and with described transfer of data to described baseboard management controller, described baseboard management controller then carries out corresponding operating according to described data to described second motherboard.
3. the network interface system of baseboard management controller according to claim 1 is characterized in that, described baseboard management controller can drive corresponding described network interface controller by each described coffret.
4. the network interface system of baseboard management controller according to claim 1 is characterized in that, described baseboard management controller can carry out transfer of data by the remote system of driven described each network interface controller and described server system outside.
5. the network interface system of baseboard management controller according to claim 1, it is characterized in that, described each network interface controller all can be by corresponding described general input and output pin, described baseboard management controller is sent an interrupt instruction, prepare to receive data to notify described baseboard management controller.
6. the network interface system of baseboard management controller according to claim 5 is characterized in that, described baseboard management controller receives from the data of described network interface controller transmission by described coffret after receiving described interrupt instruction.
7. the network interface system of baseboard management controller according to claim 1 is characterized in that, described coffret is an I 2C interface, and pass through an I between described baseboard management controller and the described network interface controller 2The communication of C host-host protocol.
8. the network interface system of baseboard management controller according to claim 1 is characterized in that, described peripheral interface controller is a CPLD or a programmable logic device.
9. the network interface system of baseboard management controller according to claim 1, it is characterized in that, described coffret can offer described each motherboard one sequence number respectively, so that described baseboard management controller identifies described specific motherboard by described sequence number.
10. the network interface system of baseboard management controller according to claim 1 is characterized in that, communicates by intelligent platform bus transfer agreement between described baseboard management controller and described each peripheral interface controller.
CN2010101415507A 2010-03-26 2010-03-26 Network interface system of substrate management controller Pending CN102201959A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103763221A (en) * 2014-01-07 2014-04-30 国家电网公司 Transformation method for deploying parallel network interfaces for IED equipment
CN104133799A (en) * 2014-08-06 2014-11-05 曙光信息产业(北京)有限公司 Multi-network-card NCSI management system
CN105528272B (en) * 2014-09-11 2018-03-23 广达电脑股份有限公司 Server system and related control method thereof
CN107977299A (en) * 2012-03-28 2018-05-01 英特尔公司 Configurable and fault-tolerant baseboard management controller arrangement
CN116073933A (en) * 2021-10-29 2023-05-05 慧与发展有限责任合伙企业 Management traffic communication between baseboard management controller and network interface controller

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107977299A (en) * 2012-03-28 2018-05-01 英特尔公司 Configurable and fault-tolerant baseboard management controller arrangement
CN107977299B (en) * 2012-03-28 2022-01-25 英特尔公司 Method and system for baseboard management controller arrangement using configurable and fault tolerant
CN103763221A (en) * 2014-01-07 2014-04-30 国家电网公司 Transformation method for deploying parallel network interfaces for IED equipment
CN103763221B (en) * 2014-01-07 2017-02-22 国家电网公司 Transformation method for deploying parallel network interfaces for IED equipment
CN104133799A (en) * 2014-08-06 2014-11-05 曙光信息产业(北京)有限公司 Multi-network-card NCSI management system
CN105528272B (en) * 2014-09-11 2018-03-23 广达电脑股份有限公司 Server system and related control method thereof
CN116073933A (en) * 2021-10-29 2023-05-05 慧与发展有限责任合伙企业 Management traffic communication between baseboard management controller and network interface controller

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Application publication date: 20110928