WO2015154588A1

WO2015154588A1 - Serial port information transmission method, single board device and common single board

Info

Publication number: WO2015154588A1
Application number: PCT/CN2015/072792
Authority: WO
Inventors: 杨明杰; 石峰
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-08-19
Filing date: 2015-02-11
Publication date: 2015-10-15
Also published as: CN105471602A

Abstract

A serial port information transmission method, a single board device and a common single board. The single board device at least comprises a lower computer module and a central processing unit. The method comprises: receiving, by a lower computer module, a first message of an IPMI format carrying serial port information and sent by an upper computer module through an electromechanical management channel; converting, by the lower computer module, the first message into a second message of a general serial port message format carrying the serial port information; and sending, by the lower computer module, the second message to a central processing unit through a second serial port, so that the central processing unit executes corresponding processing according to the serial port information in the second message. The embodiments of the present invention can control the transmission of central processing unit serial port information about all slave nodes at an electromechanical management control node using the existing electromechanical management control method and channel.

Description

Serial port information transmission method, single board device, and public board

Technical field

The present invention relates to the field of framed telecommunication equipment with electromechanical management, and in particular, to a serial port information transmission method, a single board device, and a public board.

Background technique

A traditional serial telecommunications device, such as a box-type WDM device or a switching device, needs to provide a serial port for inputting incoming and outgoing serial information for outputting events, alarms, input commands, and debugging commands. However, in the design and manufacture of a single-board device, it is necessary to consider the integration of the single-chip chip layout and the design of the panel. Therefore, the serial port interface of the panel may not be provided, and the interface drawn inside the board may not provide a standard interface, or in the production list. This interface is not soldered when the board device is used. In addition, for security reasons, the serial port information cannot be exposed to ordinary users after the device is installed. This causes a certain amount of trouble for the project installer and the device maintenance personnel. You cannot use the serial port to log in to the board to collect the status information of the board.

If the existing serial port channel is used to debug and control the single-board device, the maintenance personnel can log in to a specific single-board device for operation. Therefore, it cannot be used in most engineering site environments.

Existing telecom frame devices are required to comply with standards, namely the Advanced Telecom Computing Architecture (ATCA) standard or the microcomputer micro ATCA standard. The above standards require that the device can manage the electromechanical components of the boards in each slot. The key components on the board are shown in Figure 1.

The service board/electromechanical management lower unit is responsible for managing various monitoring sensors and electromechanical management parts on the board; the central processing unit CPU runs the board software program. Generally, there are two serial ports on the CPU. In order to manage the boards, one of the serial lines needs to be pulled out. The other serial port can be suspended and not connected during design. The management and communication mode of the electromechanical management can be a standard Intelligent Platform Management Interface (IPMI) mode or a manufacturer-defined communication mode. As shown in Figure 2, the control node is on the public board and the slave node is in the On the respective boards, through the control module on the common board, and the electromechanical management channel to the slave section on the lower computer Point to control.

In the present invention, the above-mentioned related electromechanical management control method and channel are utilized, and the control of the central processing unit of all slave nodes is controlled at the control node of the electromechanical management.

Summary of the invention

The embodiment of the invention provides a serial port information transmission method, a single board device and a common single board, so as to utilize the existing electromechanical management control method and channel, and control the serial port information of the central processing unit of all the slave nodes in the control node of the electromechanical management. transfer.

In order to solve the above technical problem, the embodiment of the present invention provides a serial port information transmission method, which is used for a single board device, where the single board device includes at least a lower computer module and a central processing unit, wherein the lower computer module receives a public board. The upper computer module transmits the electromechanical management instruction message of the IPMI format of the intelligent platform management interface delivered by the electromechanical management channel; the central processor is respectively connected with the first serial port and the second serial port, and the first serial port is led out, The lower computer module and the second serial port are connected by a universal serial data bus;

The method includes:

The lower computer module receives a first message in an IPMI format that carries the serial port information sent by the upper computer module through the electromechanical management channel;

The lower computer module converts the first message into a second message of a universal serial port message format carrying the serial port information;

The lower computer module sends the second message to the central processor through the second serial port, so that the central processor performs corresponding processing according to the serial port information in the second message.

The serial port information transmission method, wherein the serial port information is a serial port switching instruction information or a serial port input information.

In the above-mentioned serial port information transmission method, when the serial port information is the serial port switching instruction information, the central processor performs corresponding processing according to the serial port information in the second message, including:

The central processor determines a type of the serial port switching instruction carried in the second message, And controlling the second serial port to be turned on or off according to the judgment result.

The serial port information transmission method, wherein the central processor determines the type of the serial port switching instruction carried in the second message, and controls the opening or closing of the second serial port according to the determination result, including:

Determining, by the central processor, whether the type of the serial port switching instruction is an open serial port type, and obtaining the determination result;

When the judgment result indicates that the type of the serial port switching instruction is to open the serial port, copy the output information of the first serial port to the second serial port, and when the type of the serial port switching instruction is to close the serial port, then close The second serial port.

The serial port information transmission method, wherein, when the serial port information is a serial port input information, the lower computer module sends the second message to the central processor through the second serial port, so that the central processing unit Performing corresponding processing according to the serial port information in the second message includes:

After the second serial port is opened, the lower computer module sends the second message to the central processor through the second serial port, so that the central processor is configured according to the second message. The serial port input information is processed accordingly.

The above-mentioned serial port information transmission method, wherein the method further includes:

The lower computer module receives a third message of a universal serial message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

The lower computer module converts the third message into a fourth message in an IPMI format that carries serial port output information;

The lower computer module sends the fourth message to the upper computer module through the electromechanical management channel, and the upper computer module converts the serial port output information in the fourth message into a corresponding output message format of the user terminal. After the output.

In order to solve the above technical problem, the embodiment of the present invention further provides a serial port information transmission method, which is used for a public board, where the public board is provided with at least a host computer module, wherein the upper computer module passes through an electromechanical management channel. The lower-level machine module on the single-board device sends an electromechanical management instruction message in the IPMI format of the intelligent platform management interface, and the method includes:

The upper computer module sends at least the first board device identifier and the serial port information according to the user The serial port command, the first message of the IPMI format carrying the serial port information is sent to the first single board device of the plurality of single board devices through the electromechanical management channel, so that the first single board device is The first lower computer module performs the following operations:

After receiving the first message, converting the first message into a second message of a universal serial port message format carrying the serial port information;

Sending, by the second serial port, the second message to the first central processing unit of the first single-board device, so that the first central processing unit performs corresponding processing according to the serial port information in the second message; The second serial port and the first lower computer module are connected by a universal serial data bus.

The host computer module receives a fourth message in an IPMI format that carries the serial port output information sent by the second lower-level device module on the second single-board device of the plurality of boards, where the fourth message is the After the second central processor receives the third message in the universal serial message format of the serial port output information sent by the second serial port, the second central processing unit converts the third message to be carried. The serial port outputs the information in the IPMI format message;

The upper computer module converts the serial port output information in the fourth message into a corresponding output message format of the user terminal, and outputs the format.

In order to solve the above problem, the embodiment of the present invention further provides a single board device, where the single board device includes at least a lower computer module and a central processing unit, wherein the lower computer module includes a first receiving submodule, and is configured to receive a common The upper computer module of the board passes the electromechanical management instruction message of the IPMI format of the intelligent platform management interface delivered by the electromechanical management channel; the central processor is respectively connected with the first serial port and the second serial port, and the central processor is led out The first serial port receives the serial port information, and the lower computer module in the single board device is connected to the second serial port through a universal serial data bus;

The lower computer module further includes:

a second receiving submodule, configured to receive a first message in an IPMI format that carries the serial port information sent by the upper computer module through the electromechanical management channel;

The first conversion submodule is configured to convert the first message into a pass carrying the serial port information The second message in the serial message format;

The first sending submodule is configured to send the second message to the central processor by using the second serial port, so that the central processor performs corresponding processing according to the serial port information in the second message.

The single-board device, wherein the serial port information is serial port switching instruction information or serial port input information.

The single board device, wherein the central processing unit comprises:

The determining sub-module is configured to determine, when the serial port information is the serial port switching instruction information, the type of the serial port switching instruction carried in the second message, and obtain a determination result;

And a control submodule configured to control the second serial port to be turned on or off according to the determination result.

The single board device, wherein the determining submodule is configured to:

Determining whether the type of the serial port switching instruction is to open a serial port, and obtaining the determination result;

The control submodule is set to:

And when the determining result indicates that the type of the serial port switching instruction is to open the serial port type, copying the output information of the first serial port to the second serial port, when the determining result indicates that the type of the serial port switching instruction is When the serial port is closed, the second serial port is closed.

In the above-mentioned single-board device, the first sending sub-module is configured to: when the serial port information is a serial port input information, after the second serial port is opened, the second serial port is used to A message is sent to the central processor, such that the central processor performs a corresponding process according to the serial port input information in the second message.

The single board device, wherein the lower computer module further includes:

a third receiving submodule, configured to receive a third message of a universal serial port message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

a second conversion submodule, configured to convert the third message into a fourth message in an IPMI format that carries serial port output information;

a second sending submodule, configured to send the fourth message to the upper computer module by using the electromechanical management channel, where the upper computer module converts the serial output information in the fourth message into The corresponding output message format of the user terminal is output.

In order to solve the above technical problem, the embodiment of the present invention further provides a public board, where the public board is provided with at least a host computer module, wherein the upper computer module includes a sending sub-module for The lower-level device module of the plurality of single-board devices sends an electromechanical management instruction message of the IPMI format of the intelligent platform management interface, where the upper-level machine module further includes:

The third sending sub-module is configured to send the first single-board device in the plurality of single-board devices through the electromechanical management channel according to a serial port command that is sent by the user and includes at least a first board device identifier and serial port information. Sending a first message in the IPMI format that carries the serial port information, so that the first lower computer module on the first single board device performs the following operations:

The public board of the above, wherein the upper computer module further includes:

a fourth receiving submodule, configured to receive a fourth message in an IPMI format that carries the serial port output information sent by the second lower computer module on any one of the plurality of boards, where the fourth message is The message is that the second lower-level computer module receives the third message of the universal serial port message format that carries the serial port output information sent by the second central processing unit of the second single-board device through the second serial port, The three messages are converted into an IPMI format message carrying the serial port output information;

The third conversion submodule is configured to convert the serial port output information in the fourth message into a corresponding output message format of the user terminal, and output the same.

The embodiment of the invention further provides a computer program and a storage medium thereof, the computer program comprising program instructions, when the program instruction is executed by the single board device, the device can perform the method for transmitting the serial port information; the storage medium is stored The computer program.

The embodiment of the invention further provides a computer program and a storage medium thereof, the computer program comprising program instructions, when the program instruction is executed by a common single board device, enabling the device to implement the above A serial port information transfer method, the storage medium storing a storage medium of the computer program.

In the embodiment of the present invention, the control node of the electromechanical management, that is, the public board, uses the existing electromechanical management control scheme and the electromechanical management channel to send the first message of the IPMI format carrying the serial port information to the slave node, that is, the single message. The lower computer module on the board device converts the first message into a second message in the universal serial message format. The second serial port is connected to the central processing unit of the single-board device, and the central processing unit receives the serial port information sent by the control node, The purpose of controlling the transfer of the central processor serial port information of all slave nodes on the control node.

BRIEF abstract

1 is a schematic diagram of key components of a single board device in the prior art;

2 is a schematic diagram of a mechanical connection of an electromechanical management bus of a chassis in the prior art;

FIG. 3 is a schematic flowchart of a method for transmitting serial port information on a single board device according to an embodiment of the present disclosure;

4 is a schematic diagram of connection of serial port information transmission according to an embodiment of the present invention;

FIG. 5 is a schematic flowchart of opening and closing a serial port according to an embodiment of the present disclosure;

FIG. 6 is a schematic flowchart of performing serial port information input from a public board to a single board device according to an embodiment of the present disclosure;

FIG. 7 is a schematic flowchart of performing serial port information output from a single board device to a public board according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of a single board device module according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of a public single board module according to an embodiment of the present invention.

Preferred embodiment of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other. In addition, although the logical order is shown in the flowchart, in some cases, it may be different The steps shown or described are performed in the order herein.

The embodiment of the present invention provides a serial port information transmission method, which is used for a single board device. The single board device includes at least a lower computer module and a central processing unit CPU, wherein the lower computer module receives an upper computer module on a public board. The electromechanical management instruction message of the IPMI format of the intelligent platform management interface delivered by the electromechanical management channel; the central processor is respectively connected to the first serial port and the second serial port, and the first serial port is extracted, and the lower computer module is The second serial port is connected by a universal serial data bus;

The method is as shown in FIG. 3, and includes:

Step 31: The lower computer module receives a first message in an IPMI format that carries the serial port information sent by the upper computer module through the electromechanical management channel;

Step 32: The lower computer module converts the first message into a second message of a universal serial message format carrying the serial port information.

Step 33: The lower computer module sends the second message to the central processor by using the second serial port, so that the central processor performs corresponding processing according to the serial port information in the second message.

In the embodiment of the present invention, on the basis of the related architecture of electromechanical management, the second serial port and the lower computer module that are suspended are connected through a universal serial data bus, as shown in FIG. 4 . The host computer module determines, according to a serial port command input by the user that at least the first board device identifier and the serial port information, to send specific serial port information to which lower-level module. In the embodiment of the present invention, the host computer module fills the serial port information into the first message of the IPMI format and sends the message to the lower computer. The lower-level device module can receive the electromechanical management command message in the IPMI format. In the embodiment of the present invention, any manner of filling the serial port information into the first message according to the IPMI format may be adopted.

Further, after receiving the first message, the lower computer module parses out the serial port information therein, and converts the serial port information into a second message of the universal serial port message format that can be identified by the central processing unit, and passes the second message. The serial port is sent to the central processing unit, so that the central processing unit performs corresponding processing according to the serial port information in the second message. Through the above process, the purpose of controlling the transmission of the central processor serial port information of all the slave nodes on the control node is achieved.

In the above method for serial port information transmission, preferably, the serial port information may be serial port switching instruction information or serial port input information.

When the serial port information is the serial port switching instruction information, the central processor performs corresponding processing according to the serial port information in the second message, specifically:

The central processor determines the type of the serial port switching instruction carried in the second message, and controls the second serial port to be turned on or off according to the determination result.

Further, the central processor determines the type of the serial port switching instruction carried in the second message, and controls whether the second serial port is opened or closed according to the determination result:

When the result of the determination indicates that the type of the serial port switching instruction is to open the serial port type, the output information of the first serial port is copied to the second serial port, otherwise the second serial port is closed.

In an actual application, as shown in FIG. 4, the module of the serial port switching control may be added to the central processor, and when the second serial port needs to be opened, the output information of the first serial port is copied to the second serial port; Otherwise stop the output of the second serial port.

The following describes the process of sending serial port switching instruction information to the slave node (single board device) by the electromechanical control node (common board) in conjunction with FIG. 4 and FIG.

The following modules are identical to the related art in FIG. 4:

The device 41 is an electromechanical management host computer module, which is generally installed on a common board of the chassis, and the board itself has serial port debugging, network port debugging, or other methods such as connecting a network tube to perform human-computer interaction functions;

The electromechanical management channel provided by the frame of the device 42 can provide the communication function of the upper computer and the lower computer. The device module includes an IPMI module on the upper computer, an electromechanical management bus channel and an IPMI interface on the lower computer;

The device 43 is an electromechanical management lower computer module on the service board, and can process the management command of the upper computer;

In addition, compared with the related art, the following modules are newly added in the embodiment of the present invention:

The device 44 is universal for the central processing unit CPU and the electromechanical management module lower unit connected to the service board. Serial data bus UART bus for communication and command interaction between CPU and electromechanical management of the lower computer;

The device 45 is a serial port switching control module on the central processing unit of the service board, and is responsible for controlling the output of the first serial port and the second serial port.

Correspondingly, the process of opening or closing the second serial port specifically includes:

Step 51: When the serial information of the service board provided by the electromechanical management channel needs to be used, the device 41 can be configured.

Step 52: The device 41 processes the human-machine command of the user (the human-machine command here is a serial port command input by the user including at least the first board device identifier and the serial port switching instruction information), and the command is filled into the IPMI communication format. The first message is sent to the device 43 through the device 42;

Step 53: After receiving the first message, the device 43 parses the serial port switching instruction information from the IPMI format, encapsulates it into a universal serial port message, sends the message to the device 45 through the device 44, and the device 45 starts to listen to the serial port input by the device 44. information;

Step 54, after receiving the serial port switching instruction information, the device 45 performs control to determine the type of the serial port switching instruction information. If the type is open serial port type, step 55 is performed, otherwise step 56 is performed;

Step 55, the device 45 copies the output of the first serial port to the second serial port;

In step 56, the device 45 turns off the output of the second serial port.

When the serial port information is the serial port input information, the lower computer module sends the second message to the central processor through the second serial port, so that the central processor is configured according to the second message. The corresponding processing of the serial port information is specifically:

After the second serial port is opened, the public board can send serial port input information to the central processing unit of the single-board device, so that the central processing unit performs corresponding processing.

The process of sending the serial port input information to the slave node (single board device) by the electromechanical control node (common board) is described below with reference to FIG. 4 and FIG.

Step 61: Send serial port input information to the designated lower computer module through the man-machine interface on the device 41;

Step 62, the device 41 fills the serial port input information into the IPMI format message, and sends it to the device 43 through the device 42;

Step 63, the device 43 processes the received first message in the IPMI format containing the serial port input information, extracts the serial port input information in the first message, and encapsulates the second message in the general serial port message format, and sends the message to the device 45;

In step 64, the device 45 passes the general serial port input information to the central processing unit for corresponding processing.

The above-mentioned serial port information transmission method, wherein preferably, the method further includes:

The lower computer module receives a third message of a universal serial port message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

The lower computer module sends the fourth message to the upper computer module through the electromechanical management channel, and the upper computer module converts the serial port output information in the fourth message into a corresponding output message format of the user terminal. Then output to the user terminal. For example, when a user logs in to the board/server using telnet, the output message is converted to the telnet message format output. When the user logs in using the serial port mode, the output message is converted into the format output of the serial message. That is, the user uses the method to log in to the upper computer, converts the message into a corresponding message format output, and finally outputs it to the client used by the user, and the message format type depends on the client login mode used by the user.

In the embodiment of the present invention, the serial port information can be sent from the public board to the single board device, and the serial port information can be sent from the single board device to the public board. The premise that the board sends the serial port information to the public board is that the second serial port is in the open state. The specific process is as shown in Figure 7.

Step 71, when the device 43 detects the serial port output information, the serial port switching control module 45 first determines;

Step 72, the device 45 determines whether the second serial port output is in an open state, if it is in an open state, the process proceeds to step 74 to continue processing, and if the state is off, the process proceeds to step 73 to continue processing;

Step 73: If the current second serial port output state is off, the message is ignored and the process ends. deal with;

Step 74, if the current second serial port output state is the open state, the serial port message is directly sent to the electromechanical management lower position machine (device 43);

Step 75, the device 43 fills the serial port message into the IPMI format message, and sends the message to the device 41 through the device 42.

Step 76: After receiving the IPMI message sent by the lower computer and carrying the serial port output information, the device 41 extracts the serial port output information, converts the output message format, and outputs the format to the user terminal.

According to the above method provided by the embodiment of the present invention, the serial port input and output message of the central processing unit CPU is transmitted through the electromechanical management communication channel, and the communication message format conversion is performed at the key node (lower computer module), thereby realizing the Management of the serial port device CPU] serial port.

If the existing serial port is used to debug the service board, not all single-board serial lines can be connected to the panel, so it cannot be used in most engineering environments. The method provided by the embodiment of the invention can cut the serial port bus into the message transmission channel of the electromechanical management, and control and debug the serial port of the CPU of all the slave nodes in the control node of the electromechanical management, and also the backup of the existing serial port mode. And protection channels.

The embodiment of the present invention further provides a method for transmitting a serial port information, which is used for a public board, where the public board is provided with at least a host computer module, wherein the upper computer module passes through an electromechanical management channel to a plurality of single board devices. The lower computer module sends an electromechanical management instruction message of the intelligent platform management interface IPMI format, and the method includes:

The upper computer module sends a carrying place to the first single board device of the plurality of single board devices through the electromechanical management channel according to a serial port command that is input by the user and includes at least a first board device identifier and a serial port information. The first message in the IPMI format of the serial port information is such that the first lower computer module on the first single board device performs the following operations:

Sending, by the second serial port, the second message to the first central processing unit of the first single-board device, so that the first central processing unit performs corresponding processing according to the serial port information in the second message; The second serial port and the first lower computer module are connected through a universal serial data bus. Pick up.

The upper computer module receives the fourth IPMI format that carries the serial port output information sent by the second lower computer module on any one of the plurality of boards (including the first single board device) a message, wherein the fourth message is a third serial communication message format of the second lower-level computer module that receives the output information of the serial port that is sent by the second central processing unit of the second single-board device through the second serial port After the message, converting the third message into an IPMI format message carrying the serial port output information;

The embodiment of the present invention further provides a single board device, where the single board device includes at least a lower computer module and a central processing unit, and further includes a storage device, wherein the lower computer module includes a first receiving submodule, and is suitable for receiving a common The upper computer module of the board passes the electromechanical management instruction message of the IPMI format of the intelligent platform management interface delivered by the electromechanical management channel; the central processor is respectively connected with the first serial port and the second serial port, and the central processor is led out The first serial port receives the serial port information, and the lower computer module in the single board device is connected to the second serial port through a universal serial data bus;

The lower computer module further includes:

a first conversion submodule, configured to convert the first message into a second message of a universal serial message format carrying the serial port information;

In the above-mentioned single-board device, when the serial port information is serial port switching instruction information, the middle The central processor includes:

The determining sub-module is configured to determine a type of the serial port switching instruction carried in the second message, and obtain a determination result;

The control submodule is adapted to control the opening or closing of the second serial port according to the determination result.

The single board device, wherein the determining submodule is specifically:

Determining whether the type of the serial port switching instruction is to open a serial port type, and obtaining the determination result;

The control submodule is specifically:

In the above-mentioned single-board device, when the serial port information is a serial port input information, the first sending sub-module is specifically:

After the second serial port is opened, the second message is sent to the central processor through the second serial port, so that the central processor performs corresponding according to the serial port input information in the second message. deal with.

The single board device, wherein the lower computer module further includes:

The third receiving sub-module is configured to receive a third message of a universal serial port message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

a second sending submodule, configured to send the fourth message to the upper computer module by using the electromechanical management channel, so that the upper computer module converts the serial port output information in the fourth message into an output message format And output.

The embodiment of the present invention further provides a public board, where the public board includes a processor and a storage device, and at least a host computer module is disposed, wherein the upper computer module includes a sending sub-module for using an electromechanical management channel. And sending an electromechanical management instruction message of the IPMI format of the intelligent platform management interface to the lower-level module on the plurality of single-board devices, where the upper-level machine module further includes:

The third sending sub-module is configured to send the first single-board device in the plurality of single-board devices through the electromechanical management channel according to the serial port command that is sent by the user and includes at least the first board device identifier and the serial port information. Sending a first message in the IPMI format that carries the serial port information, so that the first lower computer module on the first single board device performs the following operations:

The fourth receiving sub-module is configured to receive a fourth message in an IPMI format that carries the serial port output information sent by the second lower-level device module on the second single-board device of the plurality of boards, where the fourth message is The second lower-level machine module receives the third message after receiving the third message in the universal serial port message format of the serial port output information sent by the second serial port by the second central processing unit of the second single-board device. Converted to an IPMI format message carrying the serial port output information;

The third conversion submodule is adapted to convert the serial port output information in the fourth message into a corresponding output message format of the user terminal, and output the same.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the invention is not limited to any specific combination of hardware and software.

The devices/function modules/functional units in the above embodiments may be implemented by using a general-purpose computing device, which may be concentrated on a single computing device or distributed among multiple computing devices. On the network.

When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Variations or substitutions are readily conceivable within the scope of the present invention by those skilled in the art and are within the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Industrial applicability

According to the above method provided by the embodiment of the present invention, the serial port input and output message of the central processing unit CPU is transmitted through the electromechanical management communication channel, and the communication message format conversion is performed at the key node (lower computer module), thereby realizing the operations of the electromechanical control node to the chassis. Control of the CPU serial port of the board device.

Claims

A serial port information transmission method is used for a single-board device, where the single-board device includes at least a lower-level machine module and a central processing unit, wherein the lower-level machine module receives an upper-level machine module on a common board and is delivered through an electromechanical management channel. An intelligent platform management interface IPMI format electromechanical management instruction message; the central processor is respectively connected to the first serial port and the second serial port, and the first serial port is led out, wherein the lower computer module and the second serial port Connected via a universal serial data bus;

The method includes:

The lower computer module receives a first message in an IPMI format that carries the serial port information sent by the upper computer module through the electromechanical management channel;

The lower computer module converts the first message into a second message of a universal serial port message format carrying the serial port information;

The lower computer module sends the second message to the central processor through the second serial port, so that the central processor performs corresponding processing according to the serial port information in the second message.
The method of claim 1, wherein the serial port information is serial port switching instruction information or serial port input information.
The method of claim 2, wherein when the serial port information is the serial port switching instruction information, the central processor performs corresponding processing according to the serial port information in the second message, including:

The central processor determines the type of the serial port switching instruction carried in the second message, and controls the second serial port to be turned on or off according to the determination result.
The method of claim 3, wherein the central processor determines the type of the serial port switching instruction carried in the second message, and controls the opening or closing of the second serial port according to the determination result, including:

Determining, by the central processor, whether the type of the serial port switching instruction is an open serial port type, and obtaining the determination result;

When the judgment result indicates that the type of the serial port switching instruction is to open the serial port, copy the output information of the first serial port to the second serial port, and when the type of the serial port switching instruction is to close the serial port, then close The second serial port.
The method of claim 4, wherein when the serial port information is a serial port input information, the lower computer module sends the second message to the central processor through the second serial port, so that the central Performing, by the processor, the corresponding processing according to the serial port information in the second message includes:

After the second serial port is opened, the lower computer module sends the second message to the central processor through the second serial port, so that the central processor is configured according to the second message. The serial port input information is processed accordingly.
The method of any of claims 1-5, wherein the method further comprises:

The lower computer module receives a third message of a universal serial message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

The lower computer module converts the third message into a fourth message in an IPMI format that carries serial port output information;

The lower computer module sends the fourth message to the upper computer module through the electromechanical management channel, and the upper computer module converts the serial port output information in the fourth message into a corresponding output message format of the user terminal. After the output.
A serial port information transmission method is used for a public board. The public board is provided with at least a host computer module, wherein the upper computer module sends an intelligent platform to a lower computer module on a plurality of single board devices through an electromechanical management channel. An electromechanical management instruction message of the management interface IPMI format, the method comprising:

The upper computer module sends a carrying place to the first single board device of the plurality of single board devices through the electromechanical management channel according to the serial port command that is sent by the user and includes at least the first board device identifier and the serial port information. The first message in the IPMI format of the serial port information is such that the first lower computer module on the first single board device performs the following operations:

After receiving the first message, converting the first message into a second message of a universal serial port message format carrying the serial port information;

Sending, by the second serial port, the second message to the first central processing unit of the first single-board device, so that the first central processing unit performs corresponding processing according to the serial port information in the second message; The second serial port and the first lower computer module are connected by a universal serial data bus.
The serial port information transmission method according to claim 7, wherein the method further comprises:

The host computer module receives a fourth message in an IPMI format that carries the serial port output information sent by the second lower-level device module on the second single-board device of the plurality of boards, where the fourth message is the After the second central processor receives the third message in the universal serial message format of the serial port output information sent by the second serial port, the second central processing unit converts the third message to be carried. The serial port outputs the information in the IPMI format message;

The upper computer module converts the serial port output information in the fourth message into a corresponding output message format of the user terminal, and outputs the format.
A single board device, where the single board device includes at least a lower computer module and a central processing unit, wherein the lower computer module includes a first receiving submodule, and is configured to receive an upper computer module on a common board through an electromechanical management channel. The intelligent platform management interface sends an electronic and electrical management command message of the IPMI format; the central processor is respectively connected to the first serial port and the second serial port, and the central processor receives the serial port information by using the first serial port that is extracted, wherein The lower computer module in the single board device is connected to the second serial port through a universal serial data bus;

The lower computer module further includes:

a second receiving submodule, configured to receive a first message in an IPMI format that carries the serial port information sent by the upper computer module through the electromechanical management channel;

The first conversion submodule is configured to convert the first message into a second message of a universal serial message format carrying the serial port information;

The first sending submodule is configured to send the second message to the central processor by using the second serial port, so that the central processor performs corresponding processing according to the serial port information in the second message.
The single board device of claim 9, wherein the serial port information is serial port switching instruction information or serial port input information.
The single board device of claim 10, wherein the central processor comprises:

The determining sub-module is configured to determine, when the serial port information is the serial port switching instruction information, the type of the serial port switching instruction carried in the second message, and obtain a determination result;

And a control submodule configured to control the second serial port to be turned on or off according to the determination result.
The single board device of claim 11, wherein the determining submodule is set to:

Determining whether the type of the serial port switching instruction is to open a serial port, and obtaining the determination result;

The control submodule is set to:

And when the determining result indicates that the type of the serial port switching instruction is to open the serial port, copying the output information of the first serial port to the second serial port, and when the determining result indicates that the type of the serial port switching instruction is off When the serial port is used, the second serial port is closed.
The single-board device of claim 12, wherein the first sending sub-module is configured to: when the serial port information is a serial port input information, after the second serial port is opened, pass the second serial port Sending the second message to the central processor, so that the central processor performs corresponding processing according to the serial port input information in the second message.
The single board device according to any one of claims 9 to 13, wherein the lower computer module further comprises:

a third receiving submodule, configured to receive a third message of a universal serial port message format that is sent by the central processing unit and is sent by the second serial port and carries a serial port output information;

a second conversion submodule, configured to convert the third message into a fourth message in an IPMI format that carries serial port output information;

a second sending submodule, configured to send the fourth message to the upper computer module by using the electromechanical management channel, where the upper computer module converts the serial port output information in the fourth message into a user terminal Output the corresponding message format and output.
A public board is provided with at least a host computer module, wherein the upper computer module includes a sending sub-module, and is configured to send intelligence to a lower-level computer module on a plurality of single-board devices through an electromechanical management channel. The platform management interface IPMI format electromechanical management instruction message, wherein the upper computer module further comprises:

The third sending sub-module is configured to send the first single-board device in the plurality of single-board devices through the electromechanical management channel according to a serial port command that is sent by the user and includes at least a first board device identifier and serial port information. Sending a first message in the IPMI format that carries the serial port information, so that the first lower computer module on the first single board device performs the following operations:

After receiving the first message, converting the first message to carrying the serial port information. The second message of the universal serial message format;

Sending, by the second serial port, the second message to the first central processing unit of the first single-board device, so that the first central processing unit performs corresponding processing according to the serial port information in the second message; The second serial port and the first lower computer module are connected by a universal serial data bus.
The public veneer of claim 15, wherein the host computer module further comprises:

a fourth receiving submodule, configured to receive a fourth message in an IPMI format that carries the serial port output information sent by the second lower computer module on any one of the plurality of boards, where the fourth message is The message is that the second lower-level computer module receives the third message of the universal serial port message format that carries the serial port output information sent by the second central processing unit of the second single-board device through the second serial port, The three messages are converted into an IPMI format message carrying the serial port output information;

The third conversion submodule is configured to convert the serial port output information in the fourth message into a corresponding output message format of the user terminal, and output the same.
A computer program comprising program instructions which, when executed by a single board device, cause the apparatus to perform the method of any of claims 1-7.
A storage medium carrying the computer program of claim 17.
A computer program comprising program instructions which, when executed by a public single board device, cause the apparatus to perform the method of any of claims 7-8.
A storage medium carrying the computer program of claim 19.