CN110046119A - Serial interface management method, system and serial ports structure and storage medium mostly between control between more controls - Google Patents
Serial interface management method, system and serial ports structure and storage medium mostly between control between more controls Download PDFInfo
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- CN110046119A CN110046119A CN201910294511.1A CN201910294511A CN110046119A CN 110046119 A CN110046119 A CN 110046119A CN 201910294511 A CN201910294511 A CN 201910294511A CN 110046119 A CN110046119 A CN 110046119A
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- 238000007726 management method Methods 0.000 title claims abstract description 42
- 238000003860 storage Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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Abstract
Serial ports structure and computer readable storage medium between serial interface management method, system and one kind are controlled more between controlling this application discloses one kind more, serial ports structure includes BMC, Switch, CPLD and serial port module between more controls；Each CPLD is connected with corresponding serial port module；Different BMC is connected by communication link；Different CPLD is connected by communication link；Each BMC exports rs 232 serial interface signal to corresponding CPLD by corresponding Switch；Each BMC exports rs 232 serial interface signal to other CPLD directly or by corresponding Switch.Serial ports structure between more controls provided by the present application, pass through the information exchange of BMC and CPLD inside CPLD information exchange between BMC information exchange between more controlling, more controls, controller, it realizes the function of being switched to other controller serial ports from Single Controller serial ports, and then improves the reliability of system entirety.
Description
Technical field
This application involves field of computer technology, serial interface management method between more being controlled more specifically to one kind, system and
Serial ports structure and a kind of computer readable storage medium between the more controls of one kind.
Background technique
Current storage system or server system generally utilize BMC, and (Chinese name: baseboard management controller, English are complete
Claim: Baseboard Management Controller) rs 232 serial interface signal is externally exported, with increasing for controller, the pipe of serial ports
Reason also more becomes cumbersome.Currently used method be by rs 232 serial interface signal via CPLD (Chinese name: Complex Programmable Logic Devices,
Full name in English: Complex Programmable Logic Device) summarize after unified externally output, the external world passes through CPLD's
External serial ports is switched to different serial ports by serial ports switching command.But this mode can not be from single control under mostly control environment
Device serial ports is switched to other controller serial ports, and using functional redundancy as the storage system field of reliability standard, this method without
Method guarantees the reliability of serial interface management, and then influences the reliability of machine system.
Therefore, how to realize under mostly control environment from Single Controller serial ports and be switched to other controller serial ports, improve string
The reliability of mouth management is those skilled in the art's technical issues that need to address.
Summary of the invention
The application be designed to provide one kind control more between serial interface management method, system and much a kind of control serial ports structure and
A kind of computer readable storage medium realizes from Single Controller serial ports under mostly control environment and is switched to other controller strings
Mouthful, improve the reliability of serial interface management.
To achieve the above object, this application provides serial interface management structures between one kind mostly control, including BMC, Switch, CPLD
And serial port module；Each CPLD is connected with the corresponding serial port module；The different BMC passes through communication link phase
Even；The different CPLD is connected by communication link；
Each BMC exports rs 232 serial interface signal to the corresponding CPLD by the corresponding Switch；
Each BMC, which exports the serial ports to other CPLD directly or by the corresponding Switch, to be believed
Number.
Wherein, the rs 232 serial interface signal includes system rs 232 serial interface signal and BMC debug rs 232 serial interface signal.
Wherein, the communication link includes I2C or UART.
Wherein, further includes:
It is connected with the corresponding serial port module, the instruction mould of the serial ports switching state for showing the serial port module
Block.
Wherein, further includes:
It is connected with the corresponding serial port module, the rs 232 serial interface signal for exporting the serial port module is converted to wireless communication
Number wireless module.
To achieve the above object, this application provides serial interface management method between one kind mostly control, it is applied to as between above-mentioned more controls
Serial ports structure, comprising:
CPLD receives the switching command for the target serial ports that serial port module is sent, and determines the corresponding target of the target serial ports
BMC；
The switching command is sent to the target BMC by CPLD, so that the target BMC is by the string of the target serial ports
Message number is redirected in the CPLD.
Wherein, the switching command is sent to the target BMC, so that the target BMC is by the target serial ports
Rs 232 serial interface signal is redirected in the CPLD, comprising:
The switching command is sent to the target BMC by the corresponding BMC of the CPLD, so as to the target BMC
The rs 232 serial interface signal of the target serial ports is directly redirected in the CPLD.
Wherein, the switching command is sent to the target BMC, so that the target BMC is by the target serial ports
Rs 232 serial interface signal is redirected in the CPLD, comprising:
The switching command is sent to the target BMC by the corresponding target CPLD of the target BMC, so as to described
The rs 232 serial interface signal of the target serial ports is redirected in the CPLD by target BMC by the corresponding Switch of the target BMC.
To achieve the above object, this application provides serial interface management system between one kind mostly control, it is applied to as between above-mentioned more controls
Serial ports structure, comprising:
Determining module receives the switching command for the target serial ports that serial port module is sent for CPLD, determines the target strings
The corresponding target BMC of mouth；
The switching command is sent to the target BMC for CPLD by sending module, so that the target BMC is by institute
The rs 232 serial interface signal for stating target serial ports is redirected in the CPLD.
To achieve the above object, this application provides a kind of computer readable storage medium, the computer-readable storages
It is stored with computer program on medium, is realized when the computer program is executed by processor such as serial interface management side between above-mentioned more controls
The step of method.
By above scheme it is found that serial interface management structure between much a kind of control provided by the present application, including BMC, Switch,
CPLD and serial port module；Each CPLD is connected with the corresponding serial port module；The different BMC pass through communication link
It is connected；The different CPLD is connected by communication link；Each BMC passes through the corresponding Switch to corresponding institute
State CPLD output rs 232 serial interface signal；Each BMC is exported directly or by the corresponding Switch to other CPLD
The rs 232 serial interface signal.
Serial ports structure between more control provided by the present application, by CPLD information exchange between BMC information exchange, more controls between more controlling,
The information exchange of BMC and CPLD inside controller, realizes the function that other controller serial ports are switched to from Single Controller serial ports,
And realize more controls are enhanced to the redundancy of serial interface management between serial interface management reliability, and then improve system it is whole can
By property.Serial ports structure and one kind are computer-readable between serial interface management system and a kind of more controls between controlling disclosed herein as well is one kind more
Storage medium is equally able to achieve above-mentioned technical effect.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, 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 only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.Attached drawing is and to constitute specification for providing further understanding of the disclosure
A part, be used to explain the disclosure together with following specific embodiment, but do not constitute the limitation to the disclosure.Attached
In figure:
Fig. 1 is according to serial ports structure chart between the more controls of one kind shown in an exemplary embodiment；
Fig. 2 is the flow chart according to serial interface management method between the more controls of one kind shown in an exemplary embodiment；
Fig. 3 is the structure chart according to serial interface management system between the more controls of one kind shown in an exemplary embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses serial ports structure between one kind mostly control, including BMC, Switch, CPLD and serial port module；Often
A CPLD is connected with the corresponding serial port module；The different BMC is connected by communication link；Different is described
CPLD is connected by communication link；
Each BMC exports rs 232 serial interface signal to the corresponding CPLD by the corresponding Switch；
Each BMC, which exports the serial ports to other CPLD directly or by the corresponding Switch, to be believed
Number.
For controlling serial ports structure more and include two controllers, (double-head arrow is communication link, single line in figure as shown in Figure 1
For rs 232 serial interface signal), in Single Controller, including BMC100, Switch200, CPLD300 and serial port module 400, BMC is used for
Rs 232 serial interface signal is exported, rs 232 serial interface signal herein may include system rs 232 serial interface signal and BMC debug rs 232 serial interface signal.BMC passes through solution
Analysis system LPC signal output system Serial Port Information exports BMC debug information by itself BMC debug serial ports.CPLD is used for
Summarize the rs 232 serial interface signal in this controller and carries out serial ports switching.Switch is used to receive the instruction of the CPLD in this controller,
Control the outbound course of rs 232 serial interface signal in this controller.Serial port module is used to carry out the information exchange of serial ports with external equipment.
For different controllers, it is connected between BMC by communication link, is connected between CPLD by communication link, this
The communication link at place may include I2C or UART etc., and the present embodiment is without specifically limiting.
As shown in Figure 1, serial port module 1 obtains the Serial Port Information method of other controllers BMC2 are as follows:
CPLD1 receives the switching command for the target serial ports that serial port module 1 is sent, and determines the corresponding target of the target serial ports
BMC is BMC2；Switching command is sent to BMC2 by CPLD1, and the rs 232 serial interface signal of target serial ports is redirected in CPLD1 by BMC2.
A kind of specific method are as follows: CPLD1 receives the target serial ports that serial ports is switched to BMC2 that serial port module 1 is sent
Instruction 1, and be stored in own register, BMC1 obtains CPLD1 serial ports by BMC-CPLD communication link and switches register
In information and be stored in own register, BMC2 by control between BMC-BMC communication link obtain BMC1 serial ports switching posts
Then information and parsing in storage are redirected by serial ports inside BMC, BMC2 system serial ports are directly directed in CPLD1,
Serial port module 1 is the target serial ports on BMC2 at this time.
Another specific method are as follows: CPLD1 receives the target strings that serial ports is switched to BMC2 that serial port module 1 is sent
The instruction 2 of mouth, and be stored in own register, serial ports redirects inside BMC, and BMC2 system serial ports is directly directed to SW2
In, CPLD2 obtains the information in CPLD1 serial ports switching register by CPLD-CPLD communication link between more controlling, and passes through SW2's
BMC2 system serial ports is switched on CPLD1 by control, and serial port module 1 is the target serial ports on BMC2 at this time.
As a preferred implementation manner, as shown in Figure 1, serial ports structure between more control provided in this embodiment further include: with
The corresponding serial port module is connected, the indicating module 500 of the serial ports switching state for showing the serial port module.Specifically
, indicating module is located on board, is directly controlled by serial port module, externally indicates the serial ports switching shape of current serial port module
State.
Serial ports structure between more control provided in this embodiment as a preferred implementation manner, further include: with it is corresponding described
Serial port module is connected, and the rs 232 serial interface signal for exporting the serial port module is converted to the wireless module 600 of wireless signal.Specifically
, serial port module signal can be converted into the wireless signals such as wifi by wireless module, and not having to entity Serial Port Line can be to institute in more controls
There are system serial ports and BMC debug serial ports to carry out information exchange.
Serial ports structure between more control provided by the embodiments of the present application passes through CPLD information between BMC information exchange, more controls between more controlling
The information exchange of BMC and CPLD inside interaction, controller, realizes from Single Controller serial ports and is switched to other controller serial ports
Function, and realize the redundancy to serial interface management, the reliability of serial interface management between more controls is enhanced, and then improve system entirety
Reliability.
The embodiment of the present application discloses serial interface management method between one kind mostly control, realizes under mostly control environment from single control
Device serial ports is switched to other controller serial ports, improves the reliability of serial interface management.
Referring to fig. 2, the flow chart of serial interface management method, such as Fig. 2 between one kind shown according to an exemplary embodiment is controlled more
It is shown, comprising:
S101:CPLD receives the switching command for the target serial ports that serial port module is sent, and determines that the target serial ports is corresponding
Target BMC；
The switching command is sent to the target BMC by S102:CPLD, so that the target BMC is by the target strings
The rs 232 serial interface signal of mouth is redirected in the CPLD.
This step may include: that the switching command is corresponding by the CPLD as a preferred implementation manner,
BMC is sent to the target BMC, so as to the target BMC rs 232 serial interface signal of the target serial ports is directly redirected to it is described
In CPLD.
This step may include: that the switching command is corresponding by the target BMC as a preferred implementation manner,
Target CPLD be sent to the target BMC, so as to the target BMC by the rs 232 serial interface signal of the target serial ports pass through the mesh
The corresponding Switch of mark BMC is redirected in the CPLD.
Serial interface management method between more controls provided by the embodiments of the present application, CPLD receive the target serial ports that serial port module is sent
Switching command, determines the corresponding target BMC of the target serial ports, and switching command is sent to target BMC, and target BMC is by mesh
The rs 232 serial interface signal of mark serial ports is redirected in CPLD.Pass through CPLD information exchange, control between BMC information exchange between more controlling, more controls
The information exchange of BMC and CPLD inside device realizes the function that other controller serial ports are switched to from Single Controller serial ports, and real
Now to the redundancy of serial interface management, the reliability of serial interface management between more controls is enhanced, and then improve the reliability of system entirety.
Serial interface management system the more controls of one kind provided by the embodiments of the present application is introduced below, one kind described below
Serial interface management method can be cross-referenced between serial interface management system and a kind of above-described more controls between more controls.
Referring to Fig. 3, the structure chart of serial interface management system, such as Fig. 3 between the more controls of one kind shown according to an exemplary embodiment
It is shown, comprising:
Determining module 301 receives the switching command for the target serial ports that serial port module is sent for CPLD, determines the target
The corresponding target BMC of serial ports；
The switching command is sent to the target BMC for CPLD by sending module 302, so that the target BMC will
The rs 232 serial interface signal of the target serial ports is redirected in the CPLD.
Serial interface management system between more controls provided by the embodiments of the present application, CPLD receive the target serial ports that serial port module is sent
Switching command, determines the corresponding target BMC of the target serial ports, and switching command is sent to target BMC, and target BMC is by mesh
The rs 232 serial interface signal of mark serial ports is redirected in CPLD.Pass through CPLD information exchange, control between BMC information exchange between more controlling, more controls
The information exchange of BMC and CPLD inside device realizes the function that other controller serial ports are switched to from Single Controller serial ports, and real
Now to the redundancy of serial interface management, the reliability of serial interface management between more controls is enhanced, and then improve the reliability of system entirety.
On the basis of the above embodiments, the sending module 302 specially will be described as a preferred implementation manner,
Switching command is sent to the target BMC by the corresponding BMC of the CPLD, so that the target BMC is by the target serial ports
Rs 232 serial interface signal be directly redirected to the module in the CPLD.
On the basis of the above embodiments, the sending module 302 specially will be described as a preferred implementation manner,
Switching command is sent to the target BMC by the corresponding target CPLD of the target BMC, so that the target BMC will be described
The rs 232 serial interface signal of target serial ports is redirected to the module in the CPLD by the corresponding Switch of the target BMC.
About the system in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction is additionally provided, it should
The step of serial interface management method between above-mentioned more control is realized when program instruction is executed by processor.For example, the computer-readable storage
Medium can be the memory for including program instruction, and above procedure instruction can be executed by processor to complete to go here and there between above-mentioned more controls
Mouth management method.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also
Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application
It is interior.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. serial ports structure between a kind of more controls, which is characterized in that including BMC, Switch, CPLD and serial port module；It is each described
CPLD is connected with the corresponding serial port module；The different BMC is connected by communication link；The different CPLD pass through
Communication link is connected；
Each BMC exports rs 232 serial interface signal to the corresponding CPLD by the corresponding Switch；
Each BMC exports the rs 232 serial interface signal to other CPLD directly or by the corresponding Switch.
2. serial ports structure between more controls according to claim 1, which is characterized in that the rs 232 serial interface signal includes system rs 232 serial interface signal
With BMC debug rs 232 serial interface signal.
3. serial ports structure between more controls according to claim 1, which is characterized in that the communication link includes I2C or UART.
4. serial ports structure between more controls according to claim 1, which is characterized in that further include:
It is connected with the corresponding serial port module, the indicating module of the serial ports switching state for showing the serial port module.
5. serial ports structure between more controls according to claim 1, which is characterized in that further include:
It is connected with the corresponding serial port module, the rs 232 serial interface signal for exporting the serial port module is converted to wireless signal
Wireless module.
6. a kind of serial interface management method between more controls, which is characterized in that gone here and there applied between controls more as described in claim any one of 1-5
Mouth structure, comprising:
CPLD receives the switching command for the target serial ports that serial port module is sent, and determines the corresponding target BMC of the target serial ports；
The switching command is sent to the target BMC by CPLD, so that the target BMC believes the serial ports of the target serial ports
It number is redirected in the CPLD.
7. serial interface management method between more controls according to claim 6, which is characterized in that be sent to the switching command described
Target BMC, so that the rs 232 serial interface signal of the target serial ports is redirected in the CPLD by the target BMC, comprising:
The switching command is sent to the target BMC by the corresponding BMC of the CPLD, so that the target BMC is by institute
The rs 232 serial interface signal for stating target serial ports is directly redirected in the CPLD.
8. serial interface management method between more controls according to claim 6, which is characterized in that be sent to the switching command described
Target BMC, so that the rs 232 serial interface signal of the target serial ports is redirected in the CPLD by the target BMC, comprising:
The switching command is sent to the target BMC by the corresponding target CPLD of the target BMC, so as to the target
The rs 232 serial interface signal of the target serial ports is redirected in the CPLD by BMC by the corresponding Switch of the target BMC.
9. serial interface management system between a kind of more controls, which is characterized in that gone here and there applied between controls more as described in claim any one of 1-5
Mouth structure, comprising:
Determining module receives the switching command for the target serial ports that serial port module is sent for CPLD, determines the target serial ports pair
The target BMC answered；
The switching command is sent to the target BMC for CPLD by sending module, so that the target BMC is by the mesh
The rs 232 serial interface signal of mark serial ports is redirected in the CPLD.
10. a kind of computer readable storage medium, which is characterized in that be stored on the computer readable storage medium between more controls
Serial interface management program is realized as described in any one of claim 6 to 8 when serial interface management program is executed by processor between more controls
Between more controls the step of serial interface management method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910294511.1A CN110046119A (en) | 2019-04-12 | 2019-04-12 | Serial interface management method, system and serial ports structure and storage medium mostly between control between more controls |
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| CN201910294511.1A CN110046119A (en) | 2019-04-12 | 2019-04-12 | Serial interface management method, system and serial ports structure and storage medium mostly between control between more controls |
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| CN201910294511.1A Pending CN110046119A (en) | 2019-04-12 | 2019-04-12 | Serial interface management method, system and serial ports structure and storage medium mostly between control between more controls |
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| CN110908953A (en) * | 2019-11-25 | 2020-03-24 | 山东超越数控电子股份有限公司 | Processor interconnection system and method |
| CN110941582A (en) * | 2019-11-08 | 2020-03-31 | 浪潮(北京)电子信息产业有限公司 | USB bus structure of BMC chip and communication method thereof |
| WO2021082417A1 (en) * | 2019-10-30 | 2021-05-06 | 苏州浪潮智能科技有限公司 | Method and system for controlling internal serial port access of multi-node device |
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Application publication date: 20190723 |
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