CN106294223A - A kind of realize the device of server network interface card multiplexing, method and system - Google Patents

A kind of realize the device of server network interface card multiplexing, method and system Download PDF

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Publication number
CN106294223A
CN106294223A CN201610635303.XA CN201610635303A CN106294223A CN 106294223 A CN106294223 A CN 106294223A CN 201610635303 A CN201610635303 A CN 201610635303A CN 106294223 A CN106294223 A CN 106294223A
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network interface
interface card
pull
level
server
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CN201610635303.XA
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CN106294223B (en
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岳远斌
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Inspur Electronic Information Industry Co Ltd
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Inspur Electronic Information Industry Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10Program control for peripheral devices
    • G06F13/12Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/126Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine and has means for transferring I/O instructions and statuses between control unit and main processor

Abstract

The invention provides and a kind of realize the device of server network interface card multiplexing, method and system, this device includes: South Bridge chip, level pull-up unit and logic circuit;One end of described logic circuit exports GPIO interface with the universal input of described South Bridge chip and is connected, and the other end controls pin with the state of outside network interface card and is connected;Described level pull-up unit is connected with described GPIO interface;Described level pull-up unit, is controlled the level height of the level signal that described South Bridge chip exports after electricity on the server;Described South Bridge chip, for the control according to described level pull-up unit, by described GPIO interface to described logic circuit transmission level signal;Described logic circuit, for the level signal sent according to described South Bridge chip, controls pin to the state of described network interface card and sends state control signal, so that described network interface card is in running order.This programme can carry out remote on-off management by the reuse management function of network interface card to server.

Description

A kind of realize the device of server network interface card multiplexing, method and system
Technical field
The present invention relates to field of computer technology, particularly to a kind of realize the device of server network interface card multiplexing, method and System.
Background technology
Server, as a kind of high-performance, the computer of high reliability, provides the user reliable data operation service, net Card is the vitals in server system, is mainly used in the data between transmission server or between server and client, To realize the exchange of data between server and other servers or client, it is requisite to be that server realizes self function Parts.Network interface card, in addition to having the function of transmission data, also has reuse management function, by the reuse management function of network interface card, Server can be carried out remote on-off management.
At present, when realizing Server remote switching on and shutting down management, need to be separately provided remote on-off mould on the server Block, to carry out remote on-off control to server.
Due to the connection reason of current network interface card, under server off-mode, network interface card is in disabled status, thus nothing Method uses the reuse management function of network interface card, and needing to be separately provided remote on-off module could carry out remote on-off to server Management, thus results in the waste of resource.
Summary of the invention
Embodiments provide and a kind of realize the device of server network interface card multiplexing, method and system, it is possible to by net The reuse management function of card carries out remote on-off management to server.
Embodiments provide a kind of device realizing server network interface card multiplexing, including: South Bridge chip, level pull up Unit and logic circuit;
One end of described logic circuit exports GPIO interface with the universal input of described South Bridge chip and is connected, and the other end is with outer The state of the network interface card in portion controls pin and is connected;Described level pull-up unit is connected with described GPIO interface;
Described level pull-up unit, level to the level signal that described South Bridge chip exports after electricity on the server Height is controlled;
Described South Bridge chip, for the control according to described level pull-up unit, is patrolled to described by described GPIO interface Collect circuit transmission level signal;
Described logic circuit, for the level signal sent according to described South Bridge chip, controls to the state of described network interface card Pin sends state control signal, so that described network interface card is in running order.
Preferably,
Described level pull-up unit includes: the first mainboard accessory power supply and pull-up resistor;
Described South Bridge chip includes: described GPIO interface and pull down resistor;
Described one end of first mainboard accessory power supply is connected with the power supply of described server, the other end and described pull-up resistor One end be connected;The other end of described pull-up resistor is connected with one end of described GPIO interface;The other end of described GPIO interface It is connected with one end of described pull down resistor;The other end ground connection of described pull down resistor;
Wherein, the resistance of described pull-up resistor can control the described level signal of described South Bridge chip output is high electricity It is flat, so that described logic circuit exports, according to the described level signal of high level, the institute that described network interface card can be made in running order State state control signal.
Preferably,
Described logic circuit includes: the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor;
Described one end of second mainboard accessory power supply is connected with the power supply of described server, the other end and described load resistance One end be connected;The other end of described load resistance is connected with the grid of described metal-oxide-semiconductor;The source electrode of described metal-oxide-semiconductor is with described GPIO interface is connected, and the drain electrode of described metal-oxide-semiconductor controls pin with the state of described network interface card and is connected;
Described metal-oxide-semiconductor, for the described level at the high level being received the output of described South Bridge chip by described source electrode After signal, controlled the described state control signal of pin output low level to the state of described network interface card by described drain electrode, so that Described network interface card is in running order.
Preferably,
The resistance of described pull-up resistor and the resistance of described pull down resistor, the output voltage of described first mainboard accessory power supply And meet the relation shown in equation below one between the minimum input high level of source electrode on described metal-oxide-semiconductor,
Described formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, described R1For the resistance of described pull-up resistor, described R2For the resistance of described pull down resistor, described U1For institute State the output voltage values of the first mainboard accessory power supply, described U0For the minimum input high level of source electrode on described metal-oxide-semiconductor.
The embodiment of the present invention additionally provide a kind of utilize that the embodiment of the present invention provides any one realize server network interface card The device of multiplexing realizes the method for server network interface card multiplexing, including:
On the server by the described level pull-up unit level to the level signal that described South Bridge chip exports after electricity Height is controlled;
Utilize described South Bridge chip, according to the control of described level pull-up unit, patrolled to described by described GPIO interface Collect circuit transmission level signal;
The level signal sent according to described South Bridge chip, is controlled to the state of outside network interface card by described logic circuit Pin sends state control signal, so that described network interface card is in running order.
Preferably, when described level pull-up unit includes the first mainboard accessory power supply and pull-up resistor,
Described by described level pull-up unit, the level of the level signal that described South Bridge chip exports height is controlled System includes:
By arranging the resistance of described pull-up resistor, the described level signal controlling the output of described South Bridge chip is high electricity It is flat, so that described logic circuit exports, according to the described level signal of high level, the institute that described network interface card can be made in running order State state control signal.
Preferably, when described logic circuit includes the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor,
Described control pin by described logic circuit to the state of outside network interface card and send state control signal and include:
The described level signal of the high level of described South Bridge chip output is received, by institute by the source electrode of described metal-oxide-semiconductor The drain electrode stating metal-oxide-semiconductor controls the described state control signal of pin output low level to the state of described network interface card.
Preferably,
The described resistance arranging described pull-up resistor includes:
Resistance according to described pull-up resistor and the resistance of described pull down resistor, the output of described first mainboard accessory power supply Relation between the minimum input high level of source electrode on voltage and described metal-oxide-semiconductor, determines the resistance of described pull-up resistor, its In, the resistance of described pull-up resistor and the resistance of described pull down resistor, the output voltage of described first mainboard accessory power supply and On described metal-oxide-semiconductor shown in relation equation below one between the minimum input high level of source electrode,
Described formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, described R1For the resistance of described pull-up resistor, described R2For the resistance of described pull down resistor, described U1For institute State the output voltage values of the first mainboard accessory power supply, described U0For the minimum input high level of source electrode on described metal-oxide-semiconductor.
The embodiment of the present invention additionally provides a kind of system realizing server network interface card multiplexing, including: network interface card and the present invention are real Any one executing that example provides realizes the device of server network interface card multiplexing;
Described network interface card, receives the described device transmission realizing server network interface card multiplexing for controlling pin by described state State control signal, and in running order under the control of described state control signal.
Preferably, this system realizing server network interface card multiplexing farther includes: baseboard management controller;
Described baseboard management controller is connected with described network interface card;
Described network interface card, is instructed for being received the server admin of outside input by connected netting twine, and by described service Device management instruction is sent to described baseboard management controller;
Described baseboard management controller, for the server admin instruction sent according to described network interface card, to place server It is managed.
Embodiments provide and a kind of realize the device of server network interface card multiplexing, method and system, the state of network interface card Control pin to be connected with the GPIO interface of South Bridge chip by logic circuit, level pull-up unit and the GPIO interface of South Bridge chip It is connected;On the server after electricity, level pull-up unit can control South Bridge chip from GPIO interface to logic circuit transmission level The level height of signal, so that logic circuit sends according to receiving level signal can make to the state control pin of network interface card The state control signal that network interface card is in running order.So, on the server after electricity, no matter whether server starts shooting, on level Draw unit that network interface card can be made in running order, it is ensured that when the reuse management function of network interface card is when server shuts down also Can normally use such that it is able to by the reuse management function of network interface card, server is carried out remote on-off management.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to These accompanying drawings obtain other accompanying drawing.
Fig. 1 is a kind of device schematic diagram realizing server network interface card multiplexing that one embodiment of the invention provides;
Fig. 2 is a kind of device schematic diagram realizing server network interface card multiplexing that another embodiment of the present invention provides;
Fig. 3 is a kind of device schematic diagram realizing server network interface card multiplexing that another embodiment of the present invention provides;
Fig. 4 is a kind of method flow diagram realizing server network interface card multiplexing that one embodiment of the invention provides;
Fig. 5 is a kind of system schematic realizing server network interface card multiplexing that one embodiment of the invention provides;
Fig. 6 is a kind of system schematic realizing server network interface card multiplexing that another embodiment of the present invention provides;
Fig. 7 is a kind of method flow diagram realizing server network interface card multiplexing that another embodiment of the present invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, embodiments provide a kind of device realizing server network interface card multiplexing, including: south bridge core Sheet 101, level pull-up unit 102 and logic circuit 103;
One end of described logic circuit 103 exports GPIO interface with the universal input of described South Bridge chip 101 and is connected, another Hold the state with outside network interface card to control pin to be connected;Described level pull-up unit 102 is connected with described GPIO interface;
Described level pull-up unit 102, for carrying out the level height of the level signal of described South Bridge chip 101 output Control;
Described South Bridge chip 101, for according to the control of described level pull-up unit 102, by described GPIO interface to Described logic circuit 103 transmission level signal;
Described logic circuit 103, for the level signal sent according to described South Bridge chip 101, to the shape of described network interface card State controls pin and sends state control signal, so that described network interface card is in running order.
Embodiments providing a kind of device realizing server network interface card multiplexing, the state of network interface card controls pin and passes through Logic circuit is connected with the GPIO interface of South Bridge chip, and level pull-up unit is connected with the GPIO interface of South Bridge chip;In service After device powers on, it is high to the level of logic circuit transmission level signal from GPIO interface that level pull-up unit can control South Bridge chip It is low, so that logic circuit can make network interface card be in work according to receiving level signal to the state control pin transmission of network interface card The state control signal of state.So, on the server after electricity, no matter whether server starts shooting, and level pull-up unit can Make network interface card in running order, it is ensured that also to be able to when the reuse management function of network interface card is when server shuts down normally make With such that it is able to by the reuse management function of network interface card, server is carried out remote on-off management.
In an embodiment of the invention, as in figure 2 it is shown, level pull-up unit 102 includes the first mainboard accessory power supply U1 and pull-up resistor R1, South Bridge chip 101 includes GPIO interface 1011 and pull down resistor R2;
The first of first mainboard accessory power supply U1 is connected with the power supply of server, one end phase of the other end and pull-up resistor R1 Even;The other end of pull-up resistor R1 is connected with one end of GPIO interface 1011;The other end of GPIO interface 1011 and pull down resistor R2 is connected;The other end ground connection of pull down resistor R2;
The resistance of pull-up resistor R1 can control South Bridge chip 101 and export the level letter of high level from GPIO interface 1011 Number, after logic circuit 103 receives the level signal of this high level, control pin transmission to the state of network interface card and can make at network interface card State control signal in duty.
First mainboard accessory power supply U1 is connected with the power supply of server, and after server powers on, no matter whether server is opened Machine, pull-up resistor R1 can be powered by the first mainboard accessory power supply U1;By controlling the resistance size of pull-up resistor R1, it is possible to South Bridge chip 101 is made to send the level signal of high level by GPIO interface 1011, so that logic circuit 103 is according to high level Level signal send and can make the in running order state control signal of network interface card, thus make network interface card one after electricity on the server The most in running order, server is remotely managed by the reuse management functional realiey of network interface card.
In an embodiment of the invention, as it is shown on figure 3, logic circuit 103 includes the second mainboard accessory power supply U2, bears Carry resistance R3 and metal-oxide-semiconductor M1;
One end of second mainboard accessory power supply U2 is connected with the power supply of server, one end phase of the other end and load resistance R3 Even;The other end of load resistance R3 is connected with the grid G of metal-oxide-semiconductor M1;The source S of metal-oxide-semiconductor M1 is connected with GPIO interface 1011, The drain D of metal-oxide-semiconductor M1 controls pin 3041 with the state of network interface card 304 and is connected;
The source S of metal-oxide-semiconductor M1 is receiving the electricity with high level that South Bridge chip 101 is sent by GPIO interface 1011 After ordinary mail number, control pin 3041 by drain D to the state of network interface card 304 and send low level state control signal, so that net Block 304 in running order.
The source electrode G of metal-oxide-semiconductor M1 is connected by load resistance R3 and the second mainboard accessory power supply U2, and the second mainboard auxiliary electricity Source U2 is connected with the power supply of server, and after server powers on, no matter whether server starts shooting, and metal-oxide-semiconductor M1 is in work shape State.After the source S of metal-oxide-semiconductor M1 receives the level signal that South Bridge chip 101 is sent by GPIO interface 1011, if received To level signal be high level, feature based on metal-oxide-semiconductor M1, metal-oxide-semiconductor M1 will control letter from the state of drain D output low level Number.After the state control pin 3041 of network interface card 304 receives low level state control signal, network interface card 304 is in work shape State, the reuse management function of network interface card 304 can use, such that it is able to server carries out long-range BIOS refreshing by network interface card 304 And switching on and shutting down management.
In an embodiment of the invention, the resistance of pull-up resistor and the resistance of pull down resistor, the first mainboard accessory power supply Output voltage and metal-oxide-semiconductor on the minimum input high level of source electrode relevant, specifically, the resistance of pull-up resistor and pull down resistor Resistance, the output voltage of the first mainboard accessory power supply and metal-oxide-semiconductor on source electrode minimum input high level between meet as follows Relation shown in formula one,
Formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, R1For the resistance of pull-up resistor, R2For the resistance of pull down resistor, U1It is the output of the first mainboard accessory power supply Magnitude of voltage, U0For the minimum input high level of source electrode on metal-oxide-semiconductor.
Owing to the two ends of pull-up resistor are connected with the first mainboard accessory power supply and GPIO interface respectively, and the two of pull down resistor End is connected with GPIO interface and ground wire respectively, thus pull-up resistor and pull down resistor are connected on the first mainboard accessory power supply and ground wire Between;By reducing the resistance of pull-up resistor, can improve the electromotive force at GPIO interface, the electromotive force at GPIO interface is more than When the minimum of metal-oxide-semiconductor source electrode exports high level, it is high level that GPIO interface is sent to the level of metal-oxide-semiconductor source electrode, so from metal-oxide-semiconductor The state control signal of drain electrode output is low level such that it is able to make network interface card in running order.
As shown in Figure 4, one embodiment of the invention provides a kind of any one reality utilizing the embodiment of the present invention to provide The method that the device of existing server network interface card multiplexing realizes server network interface card multiplexing, the method may comprise steps of:
Step 401: the level exported described South Bridge chip by described level pull-up unit after electricity on the server is believed Number level height be controlled;
Step 402: utilize described South Bridge chip, according to the control of described level pull-up unit, by described GPIO interface To described logic circuit transmission level signal;
Step 403: the level signal sent according to described South Bridge chip, by described logic circuit to outside network interface card State controls pin and sends state control signal, so that described network interface card is in running order.
Embodiments provide a kind of method realizing server network interface card multiplexing, on the server after electricity, by electricity Flat pull-up unit controls the level height of the level signal of South Bridge chip output, makes South Bridge chip pass through GPIO interface output corresponding Level signal, according to South Bridge chip output level signal level height, by state from logic circuit to network interface card control Pin sends the state control level signal that network interface card can be made in running order.So, by the control of level pull-up unit, After server powers on, network interface card is constantly in duty such that it is able to realizes the multiplexing of server network interface card, and then can utilize net The reuse management function of card carries out remote on-off management to server.
In an embodiment of the invention, when level pull-up unit includes the first mainboard accessory power supply and pull-up resistor, Can be by arranging the resistance of pull-up resistor, the level signal making South Bridge chip export is high level, the level signal of high level When acting on logic circuit, logic circuit can export the state control signal making network interface card in running order.
Owing to pull-up resistor and pull down resistor are series relationship, by changing the resistance of pull-up resistor, thus it is possible to vary pull-up Resistance and the dividing potential drop result of pull down resistor, thus change the electromotive force of the GPIO interface between pull-up resistor and pull down resistor, Electromotive force at GPIO interface is more than after certain value, and it is high level that GPIO interface exports to the level signal of logic circuit, thus Trigger logic circuit and produce the state control signal that network interface card can be made in running order, it is ensured that after server powers on, network interface card is in Duty.
In an embodiment of the invention, the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor are included when logic circuit Time, the level signal of South Bridge chip GPIO interface output can be received by the source electrode of metal-oxide-semiconductor, when the source electrode of metal-oxide-semiconductor receives Level signal when being high level, the state control signal of the drain electrode output point comment of metal-oxide-semiconductor;The state of network interface card controls pin High level ends, and after the state control pin of network interface card receives low level state control signal, makes network interface card be in work shape State.Thus after server powers on, make network interface card in running order, such that it is able to utilize the reuse management function of network interface card to service Device is managed.
In the present invention one is described, can be according to the resistance of pull down resistor, the output voltage of the first mainboard accessory power supply And the minimum input high level of source electrode on metal-oxide-semiconductor, the resistance of pull-up resistor is determined, specifically, the prevention of pull-up resistor And on the resistance of pull down resistor, the output voltage of the first mainboard accessory power supply and metal-oxide-semiconductor between the minimum input high level of source electrode There is the relation shown in equation below one,
Formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, R1For the resistance of pull-up resistor, R2For the resistance of pull down resistor, U1It is the output of the first mainboard accessory power supply Magnitude of voltage, U0For the minimum input high level of source electrode on metal-oxide-semiconductor.
On metal-oxide-semiconductor, source electrode has certain level threshold, when the level of source electrode input is more than this threshold value, relative to MOS For the source electrode of pipe, the level signal of input is high level, and this threshold value is the minimum input high level of source electrode on metal-oxide-semiconductor;Due to Pull-up resistor and pull down resistor are series relationship, and the prevention of the pull down resistor within South Bridge chip cannot change, so passing through The prevention changing pull-up resistor can make the electromotive force between pull-up resistor and pull down resistor raise, so that the electricity of GPIO interface output Ordinary mail number is high level.Owing to pull-up resistor and pull down resistor are series relationship, and pull-up resistor directly assists with the first mainboard Power supply is connected, and pull down resistor is directly connected with ground wire, when the resistance of pull-up resistor reduces, can make the voltage at pull down resistor two ends Increase, even if the electromotive force of the GPIO interface position between pull-up resistor and pull down resistor raises, according to the relation shown in formula one, When the prevention of pull-up resistor is less than after certain value, level signal that GPIO interface exports can be made relative to the source electrode of metal-oxide-semiconductor Speech is high level.
As it is shown in figure 5, one embodiment of the invention provides a kind of system realizing server network interface card multiplexing, this system bag Include: network interface card 501 and the embodiment of the present invention provide any one realize the device 502 of server network interface card multiplexing;
Network interface card 501 controls pin by state and receives the state control signal that the device 502 of server network interface card multiplexing sends, Under the control of state control signal in running order.
In an embodiment of the invention, as shown in Figure 6, it is achieved the system of server network interface card multiplexing also includes substrate pipe Reason controller 603;
Baseboard management controller 603 is connected with network interface card 501;
The server admin that network interface card 501 receives outside input by the netting twine being connected instructs, and the server that will receive Management instruction is sent to baseboard management controller 603;
The server admin instruction that baseboard management controller 603 sends according to network interface card 501, manages the server at place Reason.
Answer below in conjunction with the server network interface card that realizes shown in the device realizing server network interface card multiplexing shown in Fig. 3 and Fig. 6 System, the method that embodiment of the present invention offer realizes server network interface card multiplexing is described in further detail, such as Fig. 7 institute Showing, the method may comprise steps of:
Step 701: controlled the level signal of South Bridge chip output high level by level pull-up unit.
In an embodiment of the invention, as it is shown on figure 3, on the server after electricity, first in level pull-up unit 102 Mainboard auxiliary unit U1 starts to power pull-up resistor R1 and pull down resistor R2, and pull-up resistor R1 and pull down resistor R2 composition is connected Circuit, under the effect of pull-up resistor R1 resistance, South Bridge chip 101 exports height by GPIO interface 1011 to logic circuit 103 The level signal of level.Owing to South Bridge chip 101 is integrated chip, the resistance of internal pull down resistor R2 for determining value, so By setting the resistance of pull-up resistor R1, the level signal that GPIO interface can be made to export is high level signal, wherein pulls up electricity The prevention of resistance R1 should meet the relation shown in equation below one,
Formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, described R1For the resistance of described pull-up resistor, described R2For the resistance of described pull down resistor, described U1For institute State the output voltage values of the first mainboard accessory power supply, described U0For the minimum input high level of source electrode on described metal-oxide-semiconductor.
Such as, the output voltage of the first mainboard accessory power supply U1 is 3.3V, and on metal-oxide-semiconductor, the minimum input high level of source electrode is 2.4V, the resistance of pull down resistor R2 is 10K Ω, then according to the relation shown in formula one, the resistance of pull-up resistor R1 should be less than 3.75K Ω, can be such as 100 Ω.Under the control of resistance R1, South Bridge chip 101 exports high electricity by GPIO interface 1011 Flat level signal.
Step 702: by the state control signal of logic circuit output low level.
In an embodiment of the invention, as it is shown on figure 3, logic circuit 103 includes metal-oxide-semiconductor M1, load resistance R3 And the second mainboard accessory power supply U2, on the server after electricity, the second mainboard accessory power supply U2 by load resistance R3 to metal-oxide-semiconductor M1 Grid G input signal, metal-oxide-semiconductor M1 receives the level signal of high level of GPIO interface output by source S;Based on The characteristic of metal-oxide-semiconductor, when metal-oxide-semiconductor source S input be high level signal time, the drain D of metal-oxide-semiconductor by output low level signal, After the level signal of the high level therefore receiving GPIO interface output when the source S of metal-oxide-semiconductor M1, the drain D of metal-oxide-semiconductor M1 is by defeated Go out low level state control signal.
Wherein, the second mainboard accessory power supply U2 is connected with the power supply of server, and its output voltage can be 3.3V.
Step 703: trigger network interface card by low level state control signal, make network interface card in running order.
In an embodiment of the invention, as it is shown on figure 3, in logic circuit 103 on the drain D of metal-oxide-semiconductor M1 and network interface card 304 State control pin 3041 and be connected;State controls pin 3041 and has the specific, when the drain D of metal-oxide-semiconductor M1 of high level cut-off During the state control signal of output low level, it is in running order that low level state control signal triggers network interface card 304, now net The reuse management function of card 304 can be used.
Step 704: by the reuse management function of network interface card, server is remotely managed.
In an embodiment of the invention, as shown in Figure 6, when the reuse management function of network interface card 501 is in upstate, Sending server admin by netting twine to network interface card 501 to instruct, network interface card 501 is after receiving server admin instruction, by server Management instruction is sent to baseboard management controller 603, and server is entered by baseboard management controller 603 according to server admin instruction The corresponding management of row.Wherein, server admin instruction includes that the BIOS/firmware memory to server master board refreshes, enters server Row power-on operation and server is carried out power-off operation etc..
What the embodiment of the present invention provided realizes the device of server network interface card multiplexing, method and system, at least has and has as follows Benefit effect:
1, realize in the device of server network interface card multiplexing, method and system what the embodiment of the present invention provided, the shape of network interface card State is controlled pin and is connected with the GPIO interface of South Bridge chip by logic circuit, and level pull-up unit connects with the GPIO of South Bridge chip Mouth is connected;On the server after electricity, level pull-up unit can control South Bridge chip and send electricity from GPIO interface to logic circuit Ordinary mail number level height so that logic circuit according to receive state from level signal to network interface card control pin transmission can Make the state control signal that network interface card is in running order.So, on the server after electricity, no matter whether server starts shooting, level Pull-up unit can make network interface card in running order, it is ensured that when the reuse management function of network interface card is when server shuts down It also is able to normally use such that it is able to by the reuse management function of network interface card, server is carried out remote on-off management.
2, the embodiment of the present invention provide realize in the device of server network interface card multiplexing, method and system, pass through network interface card Reuse management function, it is not necessary to the remote on-off module being separately provided other just can carry out remote on-off pipe to server Reason, utilizes the reuse management function of existing network interface card to refresh the BIOS/firmware of server or switching on and shutting down to server are carried out Management, reduces the cost remotely managed server.
3, realizing in the device of server network interface card multiplexing, method and system what the embodiment of the present invention provided, level pulls up Unit can be realized by pull-up resistor and the first mainboard accessory power supply, the power supply phase of the first mainboard accessory power supply and server Even, no matter whether server starts shooting, as long as server powers on, pull-up resistor just can be carried out by the so first mainboard accessory power supply Power supply, it is not necessary to be individually for pull-up resistor and the power supply of continued power is set;The level of South Bridge chip output is controlled by pull-up resistor The level height of signal, simple in construction, it is easy to accomplish.
4, realize in the device of server network interface card multiplexing, method and system, according to formula what the embodiment of the present invention provided One can determine the resistance needed for pull-up resistor accurately, it is ensured that GPIO interface can export the same of the level signal of high level Time, it is possible to prevent the excessive situation causing South Bridge chip to damage of voltage at pull down resistor two ends from occurring, it is ensured that server hardware Safety.
It should be noted that in this article, the relational terms of such as first and second etc is used merely to an entity Or operation separates with another entity or operating space, and not necessarily require or imply existence between these entities or operation The relation of any this reality or order.And, term " includes ", " comprising " or its any other variant are intended to non- Comprising of exclusiveness, so that include that the process of a series of key element, method, article or equipment not only include those key elements, But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment Some key elements.In the case of there is no more restriction, statement the key element " including a 〃 " and limiting, do not arrange Except there is also other same factor in including the process of described key element, method, article or equipment.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in the storage medium of embodied on computer readable, this program Upon execution, perform to include the step of said method embodiment;And aforesaid storage medium includes: ROM, RAM, magnetic disc or light In the various medium that can store program code such as dish.
Last it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate the skill of the present invention Art scheme, is not intended to limit protection scope of the present invention.All made within the spirit and principles in the present invention any amendment, Equivalent, improvement etc., be all contained in protection scope of the present invention.

Claims (10)

1. the device realizing server network interface card multiplexing, it is characterised in that including: South Bridge chip, level pull-up unit and patrol Collect circuit;
One end of described logic circuit exports GPIO interface with the universal input of described South Bridge chip and is connected, the other end and outside The state of network interface card controls pin and is connected;Described level pull-up unit is connected with described GPIO interface;
Described level pull-up unit, level height to the level signal that described South Bridge chip exports after electricity on the server It is controlled;
Described South Bridge chip, for the control according to described level pull-up unit, by described GPIO interface to described logic electricity Road transmission level signal;
Described logic circuit, for the level signal sent according to described South Bridge chip, controls pin to the state of described network interface card Send state control signal, so that described network interface card is in running order.
Device the most according to claim 1, it is characterised in that
Described level pull-up unit includes: the first mainboard accessory power supply and pull-up resistor;
Described South Bridge chip includes: described GPIO interface and pull down resistor;
Described one end of first mainboard accessory power supply is connected with the power supply of described server, the other end and the one of described pull-up resistor End is connected;The other end of described pull-up resistor is connected with one end of described GPIO interface;The other end of described GPIO interface and institute The one end stating pull down resistor is connected;The other end ground connection of described pull down resistor;
Wherein, it is high level that the resistance of described pull-up resistor can control the described level signal of described South Bridge chip output, with Described logic circuit is made to export, according to the described level signal of high level, the described shape that described network interface card can be made in running order State control signal.
Device the most according to claim 2, it is characterised in that
Described logic circuit includes: the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor;
Described one end of second mainboard accessory power supply is connected with the power supply of described server, the other end and the one of described load resistance End is connected;The other end of described load resistance is connected with the grid of described metal-oxide-semiconductor;The source electrode of described metal-oxide-semiconductor connects with described GPIO Mouth is connected, and the drain electrode of described metal-oxide-semiconductor controls pin with the state of described network interface card and is connected;
Described metal-oxide-semiconductor, for the described level signal at the high level being received the output of described South Bridge chip by described source electrode After, controlled the described state control signal of pin output low level to the state of described network interface card by described drain electrode, so that described Network interface card is in running order.
Device the most according to claim 3, it is characterised in that
The resistance of described pull-up resistor and the resistance of described pull down resistor, the output voltage of described first mainboard accessory power supply and The relation shown in equation below one is met between the minimum input high level of source electrode on described metal-oxide-semiconductor,
Described formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, described R1For the resistance of described pull-up resistor, described R2For the resistance of described pull down resistor, described U1For described The output voltage values of one mainboard accessory power supply, described U0For the minimum input high level of source electrode on described metal-oxide-semiconductor.
5. one kind utilizes arbitrary described device realizing server network interface card multiplexing in claim 1 to 4 to realize server network interface card again Method, it is characterised in that including:
On the server after electricity by described level pull-up unit to the level of the level signal that described South Bridge chip exports height It is controlled;
Utilize described South Bridge chip, according to the control of described level pull-up unit, by described GPIO interface to described logic electricity Road transmission level signal;
The level signal sent according to described South Bridge chip, controls pin by described logic circuit to the state of outside network interface card Send state control signal, so that described network interface card is in running order.
Method the most according to claim 5, it is characterised in that when described level pull-up unit includes the first mainboard auxiliary electricity When source and pull-up resistor,
Described by described level pull-up unit, the level of the level signal that described South Bridge chip exports height is controlled bag Include:
By arranging the resistance of described pull-up resistor, the described level signal controlling the output of described South Bridge chip is high level, with Described logic circuit is made to export, according to the described level signal of high level, the described shape that described network interface card can be made in running order State control signal.
Method the most according to claim 6, it is characterised in that when described logic circuit include the second mainboard accessory power supply, When load resistance and metal-oxide-semiconductor,
Described control pin by described logic circuit to the state of outside network interface card and send state control signal and include:
The described level signal of the high level of described South Bridge chip output is received, by described MOS by the source electrode of described metal-oxide-semiconductor The drain electrode of pipe controls the described state control signal of pin output low level to the state of described network interface card.
Method the most according to claim 7, it is characterised in that
The described resistance arranging described pull-up resistor includes:
Resistance according to described pull-up resistor and the resistance of described pull down resistor, the output voltage of described first mainboard accessory power supply And relation between the minimum input high level of source electrode on described metal-oxide-semiconductor, determine the resistance of described pull-up resistor, wherein, institute State the resistance of pull-up resistor and the resistance of described pull down resistor, the output voltage of described first mainboard accessory power supply and described On metal-oxide-semiconductor shown in relation equation below one between the minimum input high level of source electrode,
Described formula one is:
R 1 ≤ ( U 1 - U 0 ) · R 2 U 0
Wherein, described R1For the resistance of described pull-up resistor, described R2For the resistance of described pull down resistor, described U1For described The output voltage values of one mainboard accessory power supply, described U0For the minimum input high level of source electrode on described metal-oxide-semiconductor.
9. the system realizing server network interface card multiplexing, it is characterised in that including: arbitrary institute in network interface card and Claims 1-4 State the device realizing server network interface card multiplexing;
Described network interface card, receives, for controlling pin by described state, the shape that the described device realizing server network interface card multiplexing sends State control signal, and in running order under the control of described state control signal.
System the most according to claim 9, it is characterised in that farther include: baseboard management controller;
Described baseboard management controller is connected with described network interface card;
Described network interface card, is instructed for being received the server admin of outside input by connected netting twine, and by described server pipe Reason instruction is sent to described baseboard management controller;
Described baseboard management controller, for the server admin instruction sent according to described network interface card, is carried out place server Management.
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