CN106294223B - It is a kind of realize server network interface card multiplexing device, method and system - Google Patents
It is a kind of realize server network interface card multiplexing device, method and system Download PDFInfo
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- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/124—Program 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
- G06F13/126—Program 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
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Abstract
The present invention provides a kind of devices for realizing the multiplexing of server network interface card, method and system, which includes: South Bridge chip, level pull-up unit and logic circuit；One end of the logic circuit is connected with the universal input of South Bridge chip output GPIO interface, and the other end is connected with the state of external network interface card control pin；The level pull-up unit is connected with the GPIO interface；The level pull-up unit, for controlling after electricity on the server the level height of the level signal of South Bridge chip output；The South Bridge chip, for the control according to the level pull-up unit, by the GPIO interface to the logic circuit transmission level signal；The state control pin of the logic circuit, the level signal for being sent according to the South Bridge chip, Xiang Suoshu network interface card sends state control signal, so that the network interface card is in running order.This programme can carry out remote on-off management to server by the reuse management function of network interface card.
Description
Technical field
The present invention relates to field of computer technology, in particular to a kind of device for realizing the multiplexing of server network interface card, method and
System.
Background technique
A kind of computer of the server as high-performance, high reliability provides reliable data operation service, net for user
Card is the important component in server system, is mainly used for the data between transmission server or between server and client,
It is that server realizes that itself function is essential to realize exchanging for data between server and other servers or client
Component.Network interface card also has the function of reuse management other than having the function of transmitting data, by the reuse management function of network interface card,
Remote on-off management can be carried out to server.
Currently, when realizing Server remote switching on and shutting down management needing that remote on-off mould is separately provided on the server
Block, to carry out remote on-off control to server.
Due to the connection of current network interface card, network interface card is in disabled status, thus nothing under server off-mode
Method uses the reuse management function of network interface card, and remote on-off could be carried out to server by needing to be separately provided remote on-off module
Management, thus cause the waste of resource.
Summary of the invention
The embodiment of the invention provides a kind of devices for realizing the multiplexing of server network interface card, method and system, can pass through net
The reuse management function of card carries out remote on-off management to server.
The embodiment of the invention provides a kind of devices for realizing the multiplexing of server network interface card, comprising: South Bridge chip, level pull-up
Unit and logic circuit；
The universal input output GPIO interface of one end of the logic circuit and the South Bridge chip is connected, the other end with outside
The state control pin of the network interface card in portion is connected；The level pull-up unit is connected with the GPIO interface；
The level pull-up unit, the level of the level signal for being exported after electricity on the server to the South Bridge chip
Height is controlled；
The South Bridge chip is patrolled by the GPIO interface to described for the control according to the level pull-up unit
Collect circuit transmission level signal；
The logic circuit, the level signal for being sent according to the South Bridge chip, the state control of Xiang Suoshu network interface card
Pin sends state control signal, so that the network interface card is in running order.
Preferably,
The level pull-up unit includes: the first mainboard accessory power supply and pull-up resistor；
The South Bridge chip includes: the GPIO interface and pull down resistor；
One end of the first mainboard accessory power supply is connected with the power supply of the server, the other end and the pull-up resistor
One end be connected；The other end of the pull-up resistor is connected with one end of the GPIO interface；The other end of the GPIO interface
It is connected with one end of the pull down resistor；The other end of the pull down resistor is grounded；
Wherein, the resistance value of the pull-up resistor can control the level signal of the South Bridge chip output as high electricity
It is flat, so that the logic circuit exports the institute that the network interface card can be made in running order according to the level signal of high level
State state control signal.
Preferably,
The logic circuit includes: the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor；
One end of the second mainboard accessory power supply is connected with the power supply of the server, the other end and the load resistance
One end be connected；The other end of the load resistance is connected with the grid of the metal-oxide-semiconductor；The source electrode of the metal-oxide-semiconductor with it is described
GPIO interface is connected, and the drain electrode of the metal-oxide-semiconductor is connected with the state of network interface card control pin；
The metal-oxide-semiconductor, for the level in the high level for receiving the South Bridge chip output by the source electrode
After signal, the low level state control signal of pin output is controlled to the state of the network interface card by described drain, so that
The network interface card is in running order.
Preferably,
The output voltage of the resistance value of the pull-up resistor and the resistance value of the pull down resistor, the first mainboard accessory power supply
And meet relationship shown in following formula one on the metal-oxide-semiconductor between the minimum input high level of source electrode,
The formula one are as follows:
Wherein, the R1For the resistance value of the pull-up resistor, the R2For the resistance value of the pull down resistor, the U1For institute
State the output voltage values of the first mainboard accessory power supply, the U0For the minimum input high level of source electrode on the metal-oxide-semiconductor.
Any one realization server network interface card provided in an embodiment of the present invention is utilized the embodiment of the invention also provides a kind of
The method that the device of multiplexing realizes the multiplexing of server network interface card, comprising:
The level for the level signal that the South Bridge chip is exported by the level pull-up unit after electricity on the server
Height is controlled；
Using the South Bridge chip, according to the control of the level pull-up unit, patrolled by the GPIO interface to described
Collect circuit transmission level signal；
According to the level signal that the South Bridge chip is sent, controlled by the logic circuit to the state of external network interface card
Pin sends state control signal, so that the network interface card is in running order.
Preferably, when the level pull-up unit includes the first mainboard accessory power supply and pull-up resistor,
It is described to be controlled by level height of the level pull-up unit to the level signal that the South Bridge chip exports
System includes:
By the way that the resistance value of the pull-up resistor is arranged, the level signal of the South Bridge chip output is controlled as high electricity
It is flat, so that the logic circuit exports the institute that the network interface card can be made in running order according to the level signal of high level
State state control signal.
Preferably, when the logic circuit includes the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor,
It is described to include: to the state control pin transmission state control signal of external network interface card by the logic circuit
The level signal that the high level of the South Bridge chip output is received by the source electrode of the metal-oxide-semiconductor, passes through institute
The drain electrode for stating metal-oxide-semiconductor exports the low level state control signal to the state of network interface card control pin.
Preferably,
The resistance value of the setting pull-up resistor includes:
According to the output of the resistance value of the pull-up resistor and the resistance value, the first mainboard accessory power supply of the pull down resistor
Relationship on voltage and the metal-oxide-semiconductor between the minimum input high level of source electrode, determines the resistance value of the pull-up resistor,
In, the resistance value of the resistance value of the pull-up resistor and the pull down resistor, the output voltage of the first mainboard accessory power supply and
Shown in the following formula one of relationship on the metal-oxide-semiconductor between the minimum input high level of source electrode,
The formula one are as follows:
Wherein, the R1For the resistance value of the pull-up resistor, the R2For the resistance value of the pull down resistor, the U1For institute
State the output voltage values of the first mainboard accessory power supply, the U0For the minimum input high level of source electrode on the metal-oxide-semiconductor.
The embodiment of the invention also provides a kind of systems for realizing the multiplexing of server network interface card, comprising: network interface card and the present invention are real
The device of any one realization server network interface card multiplexing of example offer is provided；
The network interface card, for controlling the device transmission that pin receives the realization server network interface card multiplexing by the state
State control signal, and it is in running order under the control of the state control signal.
Preferably, the system of realization server network interface card multiplexing further comprises: baseboard management controller；
The baseboard management controller is connected with the network interface card；
The network interface card, for receiving externally input server admin instruction by connected cable, and by the service
Device management instruction is sent to the baseboard management controller；
The baseboard management controller, the server admin instruction for being sent according to the network interface card, to place server
It is managed.
The embodiment of the invention provides a kind of device for realizing the multiplexing of server network interface card, method and system, the states of network interface card
Control pin is connected by logic circuit with the GPIO interface of South Bridge chip, the GPIO interface of level pull-up unit and 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
Signal level height, thus make logic circuit according to receive level signal to the state of network interface card control pin send can make
The in running order state control signal of network interface card.In this way, no matter whether server is switched on, on level on the server after electricity
Draw unit that network interface card can be made in running order, when guaranteeing that the reuse management function of network interface card is in the state of server shutdown
Can normal use, so as to carry out remote on-off management to server by the reuse management function of network interface card.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of schematic device for realizing the multiplexing of server network interface card provided by one embodiment of the present invention；
Fig. 2 is a kind of schematic device for realizing the multiplexing of server network interface card that another embodiment of the present invention provides；
Fig. 3 is a kind of schematic device for realizing the multiplexing of server network interface card that another embodiment of the invention provides；
Fig. 4 is a kind of method flow diagram for realizing the multiplexing of server network interface card provided by one embodiment of the present invention；
Fig. 5 is a kind of system schematic for realizing the multiplexing of server network interface card provided by one embodiment of the present invention；
Fig. 6 is a kind of system schematic for realizing the multiplexing of server network interface card that another embodiment of the present invention provides；
Fig. 7 is a kind of method flow diagram for realizing the multiplexing of server network interface card that another embodiment of the present invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of devices for realizing the multiplexing of server network interface card, comprising: south bridge core
Piece 101, level pull-up unit 102 and logic circuit 103；
One end of the logic circuit 103 is connected with the universal input of the South Bridge chip 101 output GPIO interface, another
It holds and is connected with the state of external network interface card control pin；The level pull-up unit 102 is connected with the GPIO interface；
The level height of the level pull-up unit 102, the level signal for exporting to the South Bridge chip 101 carries out
Control；
The South Bridge chip 101, for the control according to the level pull-up unit 102, by the GPIO interface to
The 103 transmission level signal of logic circuit；
The logic circuit 103, the level signal for being sent according to the South Bridge chip 101, the shape of Xiang Suoshu network interface card
State controls pin and sends state control signal, so that the network interface card is in running order.
The embodiment of the invention provides a kind of device for realizing the multiplexing of server network interface card, the state control pin of network interface card 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；It is servicing
After device powers on, level pull-up unit can control South Bridge chip from GPIO interface to the level of logic circuit transmission level signal
Just, thus make logic circuit according to receive level signal to the state of network interface card control pin transmission network interface card can be made to be in work
Make the state control signal of state.In this way, no matter whether server is switched on, and level pull-up unit can on the server after electricity
Enough make network interface card in running order, guarantees also can normally make when the reuse management function of network interface card is in the state of server shutdown
With so as to carry out remote on-off management to server by the reuse management function of network interface card.
In an embodiment of the invention, as shown in Fig. 2, level pull-up unit 102 includes the first mainboard accessory power supply
U1 and pull-up resistor R1, South Bridge chip 101 include 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 of the other end and pull-up resistor R1
It is connected；The other end of pull-up resistor R1 is connected with one end of GPIO interface 1011；The other end and drop-down electricity of GPIO interface 1011
R2 is hindered to be connected；The other end of pull down resistor R2 is grounded；
The resistance value of pull-up resistor R1 can control the level letter that South Bridge chip 101 exports high level from GPIO interface 1011
Number, after logic circuit 103 receives the level signal of the high level, it can make at network interface card to the control pin transmission of the state of network interface card
In the state control signal of working condition.
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, the first mainboard accessory power supply U1 can power to pull-up resistor R1；It, can by controlling the resistance value size of pull-up resistor R1
South Bridge chip 101 is set to issue the level signal of high level by GPIO interface 1011, to make logic circuit 103 according to high level
Level signal send network interface card can be made in running order state control signal, thus on the server electricity after make network interface card one
It is straight in running order, remotely to be managed by the realization of the reuse management function of network interface card server.
In an embodiment of the invention, as shown in 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 of the other end and load resistance R3
It is connected；The other end of load resistance R3 is connected with the grid G of metal-oxide-semiconductor M1；The source S of MOS pipe M1 and 1011 phase of GPIO interface
Even, the drain D of metal-oxide-semiconductor M1 is connected with the state of network interface card 304 control pin 3041；
The source S of metal-oxide-semiconductor M1 passes through the electricity with high level that sends of GPIO interface 1011 receiving South Bridge chip 101
After ordinary mail number, pin 3041 is controlled to the state of network interface card 304 by drain D and sends low level state control signal, so that net
It is in running order to block 304.
The source electrode G of metal-oxide-semiconductor M1 is connected by load resistance R3 with 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 is switched on, 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
The level signal arrived is high level, and based on the feature of metal-oxide-semiconductor M1, metal-oxide-semiconductor M1 will export low level state control letter from drain D
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
The reuse management function of state, network interface card 304 can be used, so as to carry out long-range BIOS refreshing to server by network interface card 304
And switching on and shutting down management.
In an embodiment of the invention, the resistance value of pull-up resistor and the resistance value of pull down resistor, the first mainboard accessory power supply
Output voltage and metal-oxide-semiconductor on source electrode minimum input high level it is related, specifically, the resistance value and pull down resistor of pull-up resistor
Resistance value, the first mainboard accessory power supply output voltage and MOS pipe on source electrode minimum input high level between meet it is as follows
Relationship shown in formula one,
Formula one are as follows:
Wherein, R1For the resistance value of pull-up resistor, R2For the resistance value of pull down resistor, U1For the output of the first mainboard accessory power supply
Voltage value, U0For the minimum input high level of source electrode on metal-oxide-semiconductor.
Since the both 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 value of pull-up resistor, the potential of GPIO interface can be improved, the potential at GPIO interface is greater than
When the minimum output high level of metal-oxide-semiconductor source electrode, the level that GPIO interface is sent to metal-oxide-semiconductor source electrode is high level, in this way from MOS
The state control signal of pipe drain electrode output is low level, so as to keep network interface card in running order.
As shown in figure 4, one embodiment of the invention provides a kind of utilization any one reality provided in an embodiment of the present invention
The method for showing the device of server network interface card multiplexing to realize the multiplexing of server network interface card, this method may comprise steps of:
Step 401: the level that the South Bridge chip exports being believed by the level pull-up unit after electricity on the server
Number level height controlled；
Step 402: the GPIO interface being passed through according to the control of the level pull-up unit using the South Bridge chip
To the logic circuit transmission level signal；
Step 403: the level signal sent according to the South Bridge chip, by the logic circuit to external network interface card
State controls pin and sends state control signal, so that the network interface card is in running order.
The embodiment of the invention provides a kind of methods for realizing the multiplexing of server network interface card to pass through electricity on the server after electricity
The level height of the level signal of flat pull-up unit control South Bridge chip output, answers South Bridge chip by GPIO interface output phase
Level signal, according to South Bridge chip output level signal level height, by logic circuit to the state of network interface card control
Pin sends the state control level signal that network interface card can be made in running order.In this way, pass through the control of level pull-up unit,
Server powers on rear network interface card and is constantly in working condition, so as to realize 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 the resistance value of setting pull-up resistor, the level signal high level for exporting South Bridge chip, the level signal of high level
When acting on logic circuit, logic circuit can export the state control signal for keeping network interface card in running order.
Since pull-up resistor and pull down resistor are series relationship, by the resistance value for changing pull-up resistor, thus it is possible to vary pull-up
The partial pressure of resistance and pull down resistor as a result, to change the potential of the GPIO interface between pull-up resistor and pull down resistor,
After potential at GPIO interface is greater than certain value, it is high level that GPIO interface, which is exported to the level signal of logic circuit, thus
Triggering logic circuit generates the state control signal that network interface card can be made in running order, guarantees that server powers on rear network interface card and is in
Working condition.
In an embodiment of the invention, when logic circuit includes the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor
When, 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 be high level when, metal-oxide-semiconductor drain electrode output point comment state control signal；The state of network interface card controls pin
High level cut-off makes network interface card be in work shape after the state control pin of network interface card receives low level state control signal
State.To keep network interface card in running order after server powers on, so as to the reuse management function using network interface card to service
Device is managed.
It in an embodiment of the invention, can be electric according to the resistance value of pull down resistor, the output of the first mainboard accessory power supply
The minimum input high level of source electrode, is determined the resistance value of pull-up resistor in pressure and metal-oxide-semiconductor, specifically, the resistance of pull-up resistor
Value and the resistance value of pull down resistor, the first mainboard accessory power supply output voltage and metal-oxide-semiconductor on source electrode minimum input high level it
Between have following formula one shown in relationship,
Formula one are as follows:
Wherein, R1For the resistance value of pull-up resistor, R2For the resistance value of pull down resistor, U1For the output of the first mainboard accessory power supply
Voltage value, U0For the minimum input high level of source electrode on metal-oxide-semiconductor.
Source electrode has certain level threshold on metal-oxide-semiconductor, when the level of source electrode input is greater than the threshold value, relative to MOS
The level signal inputted for the source electrode of pipe is high level, which 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 inside South Bridge chip can not change, so passing through
The prevention for changing pull-up resistor can be such that the potential between pull-up resistor and pull down resistor increases, so that the electricity of GPIO interface output
Ordinary mail number is high level.Since pull-up resistor and pull down resistor are series relationship, and pull-up resistor is directly assisted with the first mainboard
Power supply is connected, and pull down resistor is directly connected with ground wire, when the resistance value of pull-up resistor reduces, can make the voltage at pull down resistor both ends
Increase, even if the potential of GPIO interface position between pull-up resistor and pull down resistor increases, according to relationship shown in formula one,
When pull-up resistor prevention be less than certain value after, can make GPIO interface export level signal relative to metal-oxide-semiconductor source electrode and
Speech is high level.
As shown in figure 5, one embodiment of the invention provides a kind of system for realizing the multiplexing of server network interface card, the system packet
It includes: network interface card 501 and the device 502 of any one realization server network interface card multiplexing provided in an embodiment of the present invention；
Network interface card 501 controls pin by state and receives the state control signal that the device 502 of server network interface card multiplexing is sent,
It is in running order under the control of state control signal.
In an embodiment of the invention, as shown in fig. 6, the system for realizing the multiplexing of server network interface card further includes having substrate pipe
Manage controller 603；
Baseboard management controller 603 is connected with network interface card 501；
Network interface card 501 receives externally input server admin instruction, and the server that will be received by connected cable
Management instruction is sent to baseboard management controller 603；
Baseboard management controller 603 is instructed according to the server admin that network interface card 501 is sent, and carries out pipe to the server at place
Reason.
It is multiple below with reference to the device and realization server network interface card shown in fig. 6 of realization server network interface card multiplexing shown in Fig. 3
System is described in further detail the method for realization server network interface card multiplexing provided in an embodiment of the present invention, such as Fig. 7 institute
Show, this method may comprise steps of:
Step 701: the level signal that South Bridge chip exports high level is controlled by level pull-up unit.
In an embodiment of the invention, as shown in figure 3, on the server after electricity, in level pull-up unit 102 the
One mainboard auxiliary unit U1 starts to power to pull-up resistor R1 and pull down resistor R2, and pull-up resistor R1 and pull down resistor R2 are constituted and gone here and there
Join circuit, under the action of pull-up resistor R1 resistance value, South Bridge chip 101 is exported by GPIO interface 1011 to logic circuit 103
The level signal of high level.Since South Bridge chip 101 is integrated chip, the resistance value of internal pull down resistor R2 is to determine value, institute
To pass through the resistance value of setting pull-up resistor R1, the level signal high level signal that GPIO interface can be made to export, wherein pulling up
The prevention of resistance R1 should meet relationship shown in following formula one,
Formula one are as follows:
Wherein, the R1For the resistance value of the pull-up resistor, the R2For the resistance value of the pull down resistor, the U1For institute
State the output voltage values of the first mainboard accessory power supply, the U0For the minimum input high level of source electrode on the metal-oxide-semiconductor.
For example, the output voltage of the first mainboard accessory power supply U1 is 3.3V, the minimum input high level of source electrode is on metal-oxide-semiconductor
The resistance value of 2.4V, pull down resistor R2 are 10K Ω, then the relationship according to shown in formula one, the resistance value of pull-up resistor R1 should be less than
3.75K Ω, for example can be 100 Ω.Under the control of resistance R1, South Bridge chip 101 exports high electricity by GPIO interface 1011
Flat level signal.
Step 702: low level state control signal is exported by logic circuit.
In an embodiment of the invention, as shown in figure 3, including metal-oxide-semiconductor M1, load resistance R3 in logic circuit 103
And the second mainboard accessory power supply U2, on the server after electricity, the second mainboard accessory power supply U2 is by load resistance R3 to metal-oxide-semiconductor M1
Grid G input grid signal, metal-oxide-semiconductor M1 by source S receive GPIO interface output high level level signal；It is based on
The characteristic of metal-oxide-semiconductor, when metal-oxide-semiconductor source S input be high level signal when, the drain D of metal-oxide-semiconductor will export low level signal,
Therefore after the source S of metal-oxide-semiconductor M1 receives the level signal of the high level of GPIO interface output, the drain D of metal-oxide-semiconductor M1 will be defeated
Low level state control signal out.
Wherein, the second mainboard accessory power supply U2 is connected with the power supply of server, and output voltage can be 3.3V.
Step 703: network interface card being triggered by low level state control signal, keeps network interface card in running order.
In an embodiment of the invention, as shown in figure 3, in logic circuit 103 in the drain D of metal-oxide-semiconductor M1 and network interface card 304
State control pin 3041 be connected；State, which controls pin 3041, has the specific of high level cut-off, when the drain D of metal-oxide-semiconductor M1
When exporting low level state control signal, low level state control signal triggering network interface card 304 is in running order, at this time net
The reuse management function of card 304 is available.
Step 704: by the reuse management function of network interface card, server remotely being managed.
In an embodiment of the invention, as shown in fig. 6, when the reuse management function of network interface card 501 is in available mode,
Server admin instruction is sent to network interface card 501 by cable, network interface card 501 is after receiving server admin instruction, by server
Management instruction is sent to baseboard management controller 603, baseboard management controller 603 according to server admin instruct to server into
The corresponding management of row.Wherein, server admin instruction include the BIOS/firmware memory of server master board is refreshed, to server into
Row power-on operation and power-off operation etc. is carried out to server.
The device of realization server network interface card multiplexing provided in an embodiment of the present invention, method and system, at least have has as follows
Beneficial effect:
1, in the device of realization server network interface card multiplexing provided in an embodiment of the present invention, method and system, the shape of network interface card
State control pin is connected by logic circuit with the GPIO interface of South Bridge chip, and the GPIO of level pull-up unit and South Bridge chip connects
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, thus make logic circuit according to receive level signal to the state of network interface card control pin send can
Make the state control signal that network interface card is in running order.In this way, no matter whether server is switched on, level on the server after electricity
Pull-up unit can make network interface card in running order, when guaranteeing that the reuse management function of network interface card is in the state of server shutdown
Also can normal use, so as to carry out remote on-off management to server by the reuse management function of network interface card.
2, in the device of realization server network interface card multiplexing provided in an embodiment of the present invention, method and system, pass through network interface card
Reuse management function, without be separately provided other remote on-off modules can to server carry out remote on-off pipe
Reason, the BIOS firmware of server refresh using the reuse management function of existing network interface card or to the switching on and shutting down of server into
Row management, reduces the cost remotely managed server.
3, in the device of realization server network interface card multiplexing provided in an embodiment of the present invention, method and system, level pull-up
Unit can pass through pull-up resistor and the realization of the first mainboard accessory power supply, the power supply phase of the first mainboard accessory power supply and server
Even, no matter whether server is switched on, as long as server powers on so the first mainboard accessory power supply and carries out to pull-up resistor
Power supply, without being individually for the power supply of pull-up resistor setting continued power；The level of South Bridge chip output is controlled by pull-up resistor
The level height of signal, has the advantages of simple structure and easy realization.
4, in the device of realization server network interface card multiplexing provided in an embodiment of the present invention, method and system, according to formula
One accurately can determine pull-up resistor needed for resistance value, guarantee GPIO interface can export high level level signal it is same
When, the voltage at pull down resistor both ends excessive the case where causing South Bridge chip to damage can be prevented, ensure that server hardware
Safety.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation
Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-
It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including a 〃 ", is not arranged
Except there is also other identical factors in the process, method, article or apparatus that includes the element.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
In the various media that can store program code such as disk.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (9)
1. a kind of device for realizing the multiplexing of server network interface card characterized by comprising South Bridge chip, level pull-up unit and patrol
Collect circuit；
One end of the logic circuit is connected with the universal input of South Bridge chip output GPIO interface, the other end and outside
The state control pin of network interface card is connected；The level pull-up unit is connected with the GPIO interface；
The level pull-up unit, the level height of the level signal for being exported after electricity on the server to the South Bridge chip
It is controlled；
The South Bridge chip, it is electric to the logic by the GPIO interface for the control according to the level pull-up unit
Road transmission level signal；
The state of the logic circuit, the level signal for being sent according to the South Bridge chip, Xiang Suoshu network interface card controls pin
State control signal is sent, so that the network interface card is in running order；
The level pull-up unit includes: the first mainboard accessory power supply and pull-up resistor；
The South Bridge chip includes: the GPIO interface and pull down resistor；
One end of the first mainboard accessory power supply is connected with the power supply of the server, and the one of the other end and the pull-up resistor
End is connected；The other end of the pull-up resistor is connected with one end of the GPIO interface；The other end of the GPIO interface and institute
The one end for stating pull down resistor is connected；The other end of the pull down resistor is grounded；
Wherein, the level signal that the resistance value of the pull-up resistor can control the South Bridge chip output is high level, with
The logic circuit is set to export the shape that the network interface card can be made in running order according to the level signal of high level
State controls signal.
2. the apparatus according to claim 1, which is characterized in that
The logic circuit includes: the second mainboard accessory power supply, load resistance and metal-oxide-semiconductor；
One end of the second mainboard accessory power supply is connected with the power supply of the server, and the one of the other end and the load resistance
End is connected；The other end of the load resistance is connected with the grid of the metal-oxide-semiconductor；The source electrode of the metal-oxide-semiconductor connects with the GPIO
Mouth is connected, and the drain electrode of the metal-oxide-semiconductor is connected with the state of network interface card control pin；
The metal-oxide-semiconductor, for the level signal in the high level for receiving the South Bridge chip output by the source electrode
Afterwards, the low level state control signal of pin output is controlled to the state of the network interface card by described drain, so that described
Network interface card is in running order.
3. the apparatus of claim 2, which is characterized in that
The resistance value of the resistance value of the pull-up resistor and the pull down resistor, the output voltage of the first mainboard accessory power supply and
Meet relationship shown in following formula one on the metal-oxide-semiconductor between the minimum input high level of source electrode,
The formula one are as follows:
Wherein, the R1For the resistance value of the pull-up resistor, the R2For the resistance value of the pull down resistor, the U1It is described
The output voltage values of one mainboard accessory power supply, the U0For the minimum input high level of source electrode on the metal-oxide-semiconductor.
4. a kind of realize that server network interface card is multiple using the device for realizing the multiplexing of server network interface card any in claims 1 to 33
Method characterized by comprising
The level height for the level signal that the South Bridge chip is exported by the level pull-up unit after electricity on the server
It is controlled；
It is electric to the logic by the GPIO interface according to the control of the level pull-up unit using the South Bridge chip
Road transmission level signal；
According to the level signal that the South Bridge chip is sent, pin is controlled to the state of external network interface card by the logic circuit
State control signal is sent, so that the network interface card is in running order.
5. according to the method described in claim 4, it is characterized in that, when the level pull-up unit includes the first mainboard auxiliary electricity
When source and pull-up resistor,
It is described that control packet is carried out by level height of the level pull-up unit to the level signal that the South Bridge chip exports
It includes:
By the way that the resistance value of the pull-up resistor is arranged, the level signal for controlling the South Bridge chip output is high level, with
The logic circuit is set to export the shape that the network interface card can be made in running order according to the level signal of high level
State controls signal.
6. according to the method described in claim 5, it is characterized in that, when the logic circuit include the second mainboard accessory power supply,
When load resistance and metal-oxide-semiconductor,
It is described to include: to the state control pin transmission state control signal of external network interface card by the logic circuit
The level signal that the high level of the South Bridge chip output is received by the source electrode of the metal-oxide-semiconductor, passes through the MOS
The drain electrode of pipe exports the low level state control signal to the state of network interface card control pin.
7. according to the method described in claim 6, it is characterized in that,
The resistance value of the setting pull-up resistor includes:
According to the resistance value of the pull-up resistor and the resistance value of pull down resistor, the first mainboard accessory power supply output voltage and
Relationship on the metal-oxide-semiconductor between the minimum input high level of source electrode, determines the resistance value of the pull-up resistor, wherein on described
The output voltage and the metal-oxide-semiconductor of the resistance value of pull-up resistor and the resistance value of the pull down resistor, the first mainboard accessory power supply
Shown in the following formula one of relationship between the minimum input high level of upper source electrode,
The formula one are as follows:
Wherein, the R1For the resistance value of the pull-up resistor, the R2For the resistance value of the pull down resistor, the U1It is described
The output voltage values of one mainboard accessory power supply, the U0For the minimum input high level of source electrode on the metal-oxide-semiconductor.
8. a kind of system for realizing the multiplexing of server network interface card characterized by comprising any institute in network interface card and claims 1 to 3
State the device for realizing the multiplexing of server network interface card；
The network interface card receives the shape that the device of the realization server network interface card multiplexing is sent for controlling pin by the state
State controls signal, and in running order under the control of the state control signal.
9. system according to claim 8, which is characterized in that further comprise: baseboard management controller；
The baseboard management controller is connected with the network interface card；
The network interface card, for receiving externally input server admin instruction by connected cable, and by the server pipe
Reason instruction is sent to the baseboard management controller；
The baseboard management controller, the server admin instruction for being sent according to the network interface card, carries out place server
Management.
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| CN107888222B (en) * | 2017-11-16 | 2020-08-25 | 苏州浪潮智能科技有限公司 | Circuit structure and method for optimizing NCSI signal quality |
| CN108683331A (en) * | 2018-05-03 | 2018-10-19 | 郑州云海信息技术有限公司 | A kind of regulating system and method for server switch power source output voltage |
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| CN1869879A (en) * | 2005-05-24 | 2006-11-29 | 乐金电子（昆山）电脑有限公司 | Radio local network power supply control device and method of portable computer |
| US20080320181A1 (en) * | 2007-06-21 | 2008-12-25 | Seamicro Corp. | Hardware-Based Virtualization of BIOS, Disks, Network-Interfaces, & Consoles Using a Direct Interconnect Fabric |
| CN101426132A (en) * | 2007-10-30 | 2009-05-06 | 英业达股份有限公司 | Embedded system and remote control service apparatus |
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