CN114860317A

CN114860317A - Core board control method and device, carrier board, core board, server and medium

Info

Publication number: CN114860317A
Application number: CN202210572964.8A
Authority: CN
Inventors: 蒋君华
Original assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Current assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-05

Abstract

The disclosure provides a core board control method, a core board control device, a carrier board, a core board, a server and a medium, and relates to the technical field of computers, in particular to the ARM cluster server technology. The method is applied to an ARM cluster server, the ARM cluster server comprises a carrier plate and at least two core boards connected to the carrier plate, wherein any one core board is used as a master control core board, any other core board is used as a controlled core board, the method is executed by a control module of the carrier plate, and the method comprises the following steps: acquiring a control preparation instruction sent by a master control core board, and determining a controlled core board according to the control preparation instruction; establishing a control environment between a master control core board and a controlled core board; the control environment is used for the master control core board to control the controlled core board. Above-mentioned technical scheme has improved the control efficiency to nuclear core plate.

Description

Core board control method and device, carrier board, core board, server and medium

Technical Field

The present disclosure relates to the field of computer technology, and more particularly, to chip control technology.

Background

An ARM (RISC microprocessor) cluster generally includes a main board, a carrier board, and a core board. The carrier board is connected to the plurality of core boards through connection terminals, and one or more carrier boards are connected to the main board through connection terminals. The core board is typically controlled by the motherboard. The core board has a plurality of operating modes, which are usually default to a slave mode, also called device (device) mode, so that the core board can be controlled by the motherboard. When any system of the core board is damaged or replaced, the system can be repaired or replaced only by brushing.

The prior art generally performs a brushing operation on a core board to be brushed through a host computer. When the core board System is damaged or needs to be replaced, the System on Chip (SoC) on the main board can perform a series of operations to perform a refresh recovery on the core board switched to the refresh mode.

However, the instruction path and the data transmission path for controlling the core board by the motherboard are complicated, and the transmission path is long, so that the core board is controlled with low efficiency.

Disclosure of Invention

The disclosure provides a core board control method, a core board control device, a carrier board, a core board, a server and a medium, so as to improve the control efficiency of the core board.

According to an aspect of the present disclosure, there is provided a core board control method applied to an ARM cluster server, where the ARM cluster server includes an ARM cluster server carrier board and at least two core boards connected to the carrier board, where any one of the core boards is used as a master core board, and any another one of the core boards is used as a controlled core board, and the method is executed by a control module of the carrier board, and the method includes:

acquiring a control preparation instruction sent by a master control core board, and determining a controlled core board according to the control preparation instruction;

establishing a control environment between the master control core board and the controlled core board; wherein, the control environment is used for the master control core board to control the controlled core board.

According to another aspect of the present disclosure, there is further provided a core board control method applied to an ARM cluster server, where the ARM cluster server includes a carrier board and at least two core boards connected to the carrier board, where any one of the core boards is used as a master core board, and any other one of the core boards is used as a slave core board, and the method is executed by any one of the core boards, and the method includes:

if the local computer is determined to be the master control core board, sending a control preparation instruction to a control module of a carrier board where the local computer is located; the control preparation instruction comprises an address of a controlled core board, and is used for indicating the control module to determine the controlled core board according to the control preparation instruction and establishing a control environment between the master control core board and the controlled core board;

and controlling the controlled core board based on the control environment.

According to another aspect of the present disclosure, there is further provided a core board control device configured in a carrier board of an ARM cluster server, the ARM cluster server carrier board and at least two core boards connected to the carrier board, wherein any one core board is used as a master control core board, and any another core board is used as a controlled core board, the device includes:

the instruction acquisition module is used for acquiring a control preparation instruction sent by the master control core board and determining the controlled core board according to the control preparation instruction;

the environment establishing module is used for establishing a control environment between the master control core board and the controlled core board; wherein, the control environment is used for the master control core board to control the controlled core board.

According to another aspect of the present disclosure, there is further provided a core board control device configured in a core board of an ARM cluster server, where the ARM cluster server includes a carrier board and at least two core boards connected to the carrier board, where any one of the core boards is used as a master core board, and any another one of the core boards is used as a controlled core board, the device includes:

the instruction sending module is used for sending a control preparation instruction to the control module of the carrier plate where the local computer is located if the local computer is determined to be the master control core board; the control preparation instruction comprises an address of a controlled core board, and is used for indicating the control module to determine the controlled core board according to the control preparation instruction and establishing a control environment between the master control core board and the controlled core board;

and the core board control module is used for controlling the controlled core board based on the control environment.

According to another aspect of the present disclosure, there is also provided a carrier board of an ARM cluster server, including:

at least one control module; and

a memory communicatively coupled to the at least one control module;

the plurality of connecting terminals are used for inserting the core board and/or the main board;

the communication switch is connected with the control module of the carrier plate and the core board and/or the main board and is used for being closed under the control of the control module to form a data through channel; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one control module, the instructions being executable by the at least one control module to enable the at least one control module to perform any one of the core board control methods provided by the embodiments of the disclosure.

According to another aspect of the present disclosure, there is also provided a core board of an ARM cluster server, including:

at least one processor; and

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one control module to perform any one of the core board control methods provided by the embodiments of the present disclosure.

According to another aspect of the present disclosure, there is also provided a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform any one of the core board control methods provided by the embodiments of the present disclosure.

According to another aspect of the present disclosure, there is also provided an ARM cluster server, including a motherboard, at least one carrier board connected to the motherboard, and at least two core boards connected to the carrier board; wherein:

an instruction transmission channel and a data transmission channel are connected between the main board and the control module of the carrier plate;

the carrier board is provided with a plurality of connecting terminals and is connected to the control module of the carrier board through an instruction transmission channel and a data transmission channel;

and a communication switch is arranged between the data transmission channels, is connected with the control module of the carrier plate or the mainboard and is used for being closed under the control of the control module so as to form a data direct connection channel.

According to the technology of this disclosure, the control efficiency to nuclear core plate has been improved.

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.

Drawings

The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:

fig. 1A is a schematic structural diagram of a carrier board of an ARM cluster server according to an embodiment of the present disclosure;

fig. 1B is a schematic diagram of a core board control method according to an embodiment of the present disclosure;

fig. 2A is a schematic diagram of another core board control method according to an embodiment of the present disclosure;

fig. 2B is a schematic structural diagram of a motherboard of an ARM cluster server according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a core board control method according to an embodiment of the present disclosure;

fig. 4A is a schematic structural diagram of a core board of an ARM cluster server according to an embodiment of the present disclosure;

fig. 4B is a schematic diagram of a core board control method according to an embodiment of the disclosure;

fig. 5 is a schematic structural diagram of a core board control device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a core board control device according to an embodiment of the present disclosure;

fig. 7 is a block diagram of a carrier board of an ARM cluster server for implementing the core board control method according to the embodiment of the present disclosure;

fig. 8 is a block diagram of a core board of an ARM cluster server for implementing the core board control method according to the embodiment of the present disclosure;

fig. 9 is a block diagram of an ARM cluster server for implementing the core board control method according to the embodiment of the present disclosure.

Detailed Description

Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

In this embodiment, the ARM cluster server may include a motherboard, at least one carrier board connected to the motherboard, and at least two core boards connected to the carrier board. Fig. 1A is a schematic structural diagram of a carrier board of an ARM cluster server. The carrier board can be connected with the core board through a connecting core board terminal arranged on the carrier board; the connecting main board terminal is connected with the main board through the connecting main board terminal arranged on the carrier board. The carrier board and each core board, and the core boards can communicate through an I2C bus protocol/address, so that the transmission of commands between the boards is realized. The carrier plate and the mainboard CAN be subjected to electric signal conversion through the CAN transceiver, and data transmission is performed after the conversion. The MCU (Micro Control Unit ) in the carrier board can be used as a Control module for controlling the POWER-on and/or POWER-off of each core board, and specifically, the MCU can Control the POWER-on and POWER-off of each core board through a POWER ENABLE line (POWER _ ENABLE).

At least one communicating switch can be arranged in the carrier plate, one end of the communicating switch is connected with the MCU of the carrier plate through a USB control channel, and the other end of the communicating switch is connected with the core board connecting terminal and/or the main board connecting terminal through a USB transmission channel and is used for controlling to open a data direct connecting channel between the core board and/or the main board. And the communicating switch is connected with the communicating switch through a USB transmission channel and used for establishing a data direct connection channel between the core board and the core board. The carrier board may also control the operating mode of the core board through a mode control line USB _ CTRL, for example, the core board is switched from a default slave mode to a master mode.

Fig. 1B is a schematic diagram of a core board control method according to an embodiment of the present disclosure, where the embodiment of the present disclosure is applicable to a case of controlling a core board. The method can be executed by a core board control device, the device can be realized by adopting a hardware and/or software mode, and the device can be configured in a carrier board of an ARM cluster server. Referring to fig. 1B, the method may be executed by a control module of a carrier board, and specifically includes the following steps:

s110, a control preparation instruction sent by the master control core board is obtained, and the controlled core board is determined according to the control preparation instruction.

The master control core board may be a core board for controlling other core boards to perform a series of operations; the controlled core board may be a core board that is controlled by the master core board to perform operations. For example, the master core board may control the controlled core board to perform operations such as software refresh (e.g., flashing) or software debugging.

The control preparation instruction may be an instruction issued by the master core board after the master core board has completed preparation for controlling the controlled core board.

It is to be understood that the determination instruction to the master core board may be a manual instruction, that is, a person skilled in the art selects the master core board manually and switches the master core board from the slave mode to the master mode. It should be noted that, when the core board normally operates in the slave mode and controls the controlled core board as the master core board, the operating mode of the core board needs to be switched from the slave mode to the master mode. The control preparation instruction may be an instruction for completing preparation sent to the carrier board by the master core board after switching to the host mode.

The control preparation instruction may include information of the controlled core board, for example, address information or identification information of the controlled core board, that is, the carrier board may determine the controlled core board according to the control preparation instruction.

For example, a master core board for controlling the controlled core board may be determined by a related technician according to a position of the controlled core board, and the master core board is controlled to perform a preparation operation before the control, for example, switching a self operation mode and switching an operation mode from a slave mode to a master mode. After the preparation work is finished, sending a control preparation instruction to the carrier plate; and after the control module of the carrier plate acquires the control preparation instruction sent by the core board, determining the controlled core board according to the information of the controlled core board carried in the control preparation instruction.

S120, establishing a control environment between the master control core board and the controlled core board; the control environment is used for the master control core board to control the controlled core board.

Wherein the control environment may include at least one of: the instruction directly connects the channel between the master control core board and the controlled core board; the data between the master control core board and the controlled core board are directly connected with the channel; a controlled mode of the controlled core board.

The instruction direct connection channel may be a channel for performing signal transceiving or instruction transmission between the master core board and the controlled core board, for example, the instruction direct connection channel between the master core board and the controlled core board may be established through an I2C (two-wire serial bus) bus protocol/address.

The data direct connection channel may be a channel for performing data transmission between the master control core board and the controlled core board. For example, the connection switch connected to the master control core board and the connection switch connected to the controlled core board may be opened under the control of the carrier board, so as to complete the establishment of the data direct connection channel between the master control core board and the controlled core board. The data direct connection channel may be a serial communication bus.

The controlled mode of the controlled core board may be a working mode of the controlled core board in a controlled state. The working mode of the controlled core board in the normal state may be a slave mode, and when the controlled core board is in the controlled state, the working mode may be switched from the slave mode to the controlled mode. The controlled core board can be determined according to different control requirements, such as a flash mode or a debugging mode, so that the controlled core board can be controlled by the master core board in the mode.

Illustratively, the control of the master control core board on the controlled core board can be realized by controlling the working mode of the controlled core board and establishing a data direct connection channel between the master control core board and the controlled core board.

In an optional embodiment, the establishing a control environment between the master core board and the controlled core board comprises: and controlling a communication switch between data transmission channels of the connecting terminals according to the connecting terminals of the master control core board and the controlled core board on the carrier board respectively so as to establish a data direct connection channel between the master control core board and the controlled core board.

The connecting switch is connected with the connecting terminal connected with the core board and used for controlling the opening of a data direct connection channel between the core board and the core board. The communication switch can be an analog switch arranged on the carrier plate.

For example, after the controlled core board is established, the carrier board may control the working mode of the controlled core board to be the controlled mode; controlling to open a communicating switch connected with the controlled core board and a communicating switch connected with the host core board so as to establish a data direct connection channel between the master control core board and the controlled core board; and the master control core board controls the controlled core board through the data straight communication channel.

This optional embodiment is through according to main control core plate and the respective connecting terminal on the support plate of controlled core plate, the intercommunication switch between control connecting terminal's the data transmission channel has realized linking the establishment of passageway directly to the data between main control core plate and the controlled core plate to link the nimble control of passageway directly to the data between the core plate to realized follow-up main control core plate and linked the control of passageway to controlled core plate based on data.

It should be noted that before the control environment between the master control core board and the controlled core board is established, the control module of the carrier board may also control the master control core board and the controlled core board to be powered off, the control environment between the master control core board and the controlled core board is established in a powered off state, and the master control core board and the controlled core board are powered on after the master control core board completes the control of the controlled core board.

In an optional embodiment, the established control environment between the master control core board and the controlled core board may be used for the master control core board to perform software refreshing or software debugging on the controlled core board.

According to the scheme of the embodiment of the disclosure, the position of the controlled core board is determined by acquiring the control preparation instruction sent by the main control core board and determining the controlled core board according to the control preparation instruction; through establishing the control environment between the core board of main control and the core board of quilt accuse, based on the control environment, realized the control of main control core board to the core board of quilt accuse, need not to realize the control to core board by the mainboard through more complicated data transmission route, but can directly realize core board by the support plate to core board's control, shortened data transmission route and reduced the use of peripheral chip, improved the control efficiency to core board when having simplified control circuit.

Fig. 2A is a schematic diagram of another core board control method provided according to an embodiment of the present disclosure, where this embodiment is an embodiment of the foregoing embodiment, specifically, an ARM cluster server further includes a main board, where the main board is connected to at least two carrier boards, and establishing a control environment between a master control core board and a controlled core board includes: if the controlled core board and the master control core board are not on the same carrier board, controlling a communication switch between a data transmission channel of a connecting terminal of the master control core board and a data transmission terminal of the mainboard to establish a data direct connection channel between the master control core board and the mainboard; and initiating a communication request to the mainboard to request the mainboard to determine the carrier plate where the controlled core board is located, and controlling a communication switch on the mainboard and a communication switch of the carrier plate where the controlled core board is located to establish a direct data connection channel crossing the carrier plate between the master control board and the controlled core board. Referring to fig. 2A, the method specifically includes:

s210, a control preparation instruction sent by the master control core board is obtained, and the controlled core board is determined according to the control preparation instruction.

If the controlled core board and the master control core board are on the same carrier board, controlling a communication switch between data transmission channels of the connection terminals according to the connection terminals of the master control core board and the controlled core board on the same carrier board respectively to establish a data direct connection channel between the master control core board and the controlled core board, so that the master control core board controls the controlled core board.

And S220, if the controlled core board and the main control core board are not on the same carrier board, controlling a communication switch between a data transmission channel of a connecting terminal of the main control core board and a data transmission terminal of the mainboard to establish a direct data connection channel between the main control core board and the mainboard.

The carrier board is provided with a communication switch for establishing a data transmission channel between the connection motherboard and the core board, which may be a schematic structural diagram of the carrier board of an ARM cluster server shown in fig. 1A. The communication switch connected with the main board terminal is arranged in the carrier plate, and the other end of the communication switch is connected with other communication switches connected with the core board terminal, so that a data direct connection channel between the core board connected with the carrier plate and the main board connected with the carrier plate is established.

For example, if the controlled core board and the master control core board are not on the same carrier board, the connection switch of the connection terminal of the master control core board is controlled to be turned on to establish a data transmission channel with the master control core board, and meanwhile, the connection switch of the connection terminal of the master board is turned on to establish a direct data connection channel between the master control core board and the master board.

And S230, initiating a communication request to the mainboard to request the mainboard to determine the carrier plate where the controlled core board is located, and controlling a communication switch on the mainboard and a communication switch of the carrier plate where the controlled core board is located to establish a direct data connection channel crossing the carrier plate between the master control core board and the controlled core board.

The communication request may be a request for establishing a data transmission channel between the controlled core board and the master control core board; the connectivity request may include address information of the controlled core board.

For example, the carrier board control module may send a connection request to the motherboard through the CAN bus, as shown in fig. 2B, which is a schematic structural diagram of the motherboard of the ARM cluster server. After the main board receives a connection request sent by the carrier board, the carrier board where the controlled core board is located is determined according to address information of the controlled core board carried in the connection request. The communication switch connected with the main board on the carrier plate is controlled to be opened, and the communication switch of the controlled core board is controlled to be opened by the main board, so that a data direct connection channel crossing the carrier plate between the main control core board and the controlled core board is established. Specifically, the motherboard may further send a control request to the carrier board where the controlled core board is located, so that the data transmission channel of the controlled core board controlled by the carrier board where the controlled core board is located is communicated with the data transmission channel of the motherboard connection terminal through the communication switch.

In an optional embodiment, initiating a connectivity request to the motherboard comprises: a communication request is sent through the field bus broadcast of the control module; the connection request includes an address of the controlled core board, and the address is used for the main board to identify a connection position of the controlled core board.

For example, the carrier board may send the connection request through a field bus broadcast of the control module, and the main board acquires the connection request when monitoring the connection request. The communication request comprises the address of the controlled core board, the mainboard determines the address of the carrier board where the controlled core board is located according to the address of the controlled core board, and therefore the connection position of the controlled core board is determined, and a data direct connection channel crossing the carrier board between the main control core board and the controlled core board is established.

In this optional embodiment, the determination of the position of the carrier board to which the controlled core board belongs by the motherboard is implemented by sending the connection request through the field bus broadcast of the control module, so that the establishment of the data direct connection channel between the main control core board and the controlled core board across the carrier board is implemented.

According to the scheme of the embodiment of the invention, a data direct connection channel between a main control core board and a mainboard is established by controlling a communication switch between a data transmission channel of a connecting terminal of the main control core board and a mainboard data transmission terminal; initiate the intercommunication request to the mainboard, confirm the carrier plate that is controlled core plate place with the request mainboard, and the intercommunication switch on the control mainboard and the intercommunication switch of the carrier plate that is controlled core plate place, with the data that sets up the main control and be controlled between the core plate and stride the carrier plate directly link the passageway, realized when core plate and main control core plate are not on the same carrier plate, directly link the establishment of passageway to the data of main control and controlled core plate, thereby realized the control to core plate. Meanwhile, the data transmission path is shortened, the use of peripheral chips is reduced, the control circuit is simplified, and the control efficiency of the core board is improved.

Fig. 3 is a schematic diagram of another core board control method provided according to an embodiment of the present disclosure, where this embodiment is an embodiment of the foregoing embodiment, specifically, when a control end instruction sent by the master control core board is acquired, the control environment is cancelled. Before the control environment between the master control core board and the controlled core board is established, the method further comprises the following steps: the controlled core board is controlled to be powered off; correspondingly, after the control environment between the master control core board and the controlled core board is established, the method further comprises the following steps: performing power-on control on the controlled core board; correspondingly, before the control environment is cancelled, the method further comprises the following steps: the controlled core board is controlled to be powered off; after the control environment is withdrawn, the method further comprises the following steps: and powering off the controlled core board. Referring to fig. 3, the method specifically includes:

s310, a control preparation instruction sent by the master control core board is obtained, and the controlled core board is determined according to the control preparation instruction.

And S320, powering off the controlled core board.

For example, the carrier board may be disposed with at least one power supply management unit, respectively connected to the connection terminals, for supplying power to the core board plugged in the connection terminals in an enabled state.

For example, after determining the controlled core board, the control module of the carrier board may control an enable state of a power supply management unit connected to the controlled core board to control the controlled core board to be in a power-off state.

S330, establishing a control environment between the master control core board and the controlled core board.

And S340, performing power-on control on the controlled core board so that the master control core board can control the controlled core board.

Illustratively, a control environment between the master control core board and the controlled core board is established in a power-off state, and after the establishment of the control environment is completed, the controlled core board is subjected to power-on control, so that the master control core board controls the controlled core board in a power-on state.

And S350, when a control ending instruction sent by the main control core board is obtained, the controlled core board is powered off and controlled, and the control environment is cancelled.

The control ending instruction may be an ending instruction sent by the master core board after the master core board completes control of the controlled core board.

Exemplarily, the master control core board sends a control ending instruction to the carrier board after completing the control operation on the controlled core board; and after the carrier board acquires the control ending instruction of the master control core board, the controlled core board is subjected to power-off control, and the control environment is cancelled. Specifically, the removing the control environment may include disconnecting a data direct connection channel between the master control core board and the controlled core board, and converting the controlled mode of the controlled core board into the slave mode.

If the controlled core board and the main control core board are not on the same carrier board, the control environment is cancelled, wherein the control environment is cancelled to control a connection switch between a data transmission channel of a connection terminal of the main control core board and a mainboard data transmission terminal to be disconnected, so that a data direct connection channel between the main control core board and the mainboard is disconnected; and controlling to disconnect the connecting switch on the main board and the connecting switch of the carrier board where the controlled core board is located so as to disconnect a data direct connection channel crossing the carrier board between the main control core board and the controlled core board.

And S360, performing power-on control on the controlled core board.

And after the control environment is cancelled, performing power-on control on the controlled core board to start the controlled core board which completes software refreshing or software debugging.

According to the scheme of the embodiment of the disclosure, before the control environment between the master control core board and the controlled core board is established, the controlled core board is subjected to power-off control; and after the control environment is established, performing power-on control on the controlled core board, before the control environment is cancelled, performing power-off control on the controlled core board, and after the control environment is cancelled, performing power-on control on the controlled core board. According to the scheme, the control environment is cancelled when the control ending instruction sent by the main control core board is obtained, so that the influence of the constructed control environment on other core boards which normally work is avoided. Through establishing the control environment under the state of cutting off the power supply, be controlled by core plate execution control operation by main control core plate under the state of cutting off the power supply to accomplish the control operation of main control core plate to being controlled core plate, cut off the power supply state through control core plate, realized main control core plate to being controlled core plate's control, improved the control efficiency to core plate.

In this embodiment, the ARM cluster server may include a motherboard, at least one carrier board connected to the motherboard, and at least one core board connected to the carrier board. Fig. 4A is a schematic structural diagram of a core board of an ARM cluster server. Among them, PMU (Power Management Unit) can be used to control the Power of the core board. Wherein the core board may be connected with the carrier board through connection carrier board terminals disposed in the core board. The core board and the carrier board can communicate through an I2C bus protocol/address, so that information among the boards can be received and transmitted; data receiving and transmitting between the core board and the carrier board are realized through the USB data transmission bus; mode switching of the core board by the carrier board is achieved through the mode control bus USB _ CTRL, and the mode switching can be conducted from a slave mode to a controlled mode or a host mode. The core board may implement control over the core board through an SoC (System on Chip) disposed in the core board, for example, control to detect whether terminals of a connection carrier board are plugged into the carrier board, or control to receive and transmit instructions and/or data.

Fig. 4B is a schematic diagram of a core board control method according to an embodiment of the present disclosure, where the embodiment of the present disclosure is applicable to a case of controlling a core board. The method can be executed by a core board control device, the device can be realized by adopting a hardware and/or software mode, and the device can be configured in a core board of an ARM cluster server. Referring to fig. 4B, the method specifically includes the following:

s410, if the local machine is determined to be the master control core board, sending a control preparation instruction to a control module of a carrier board where the local machine is located; the control preparation instruction comprises an address of the controlled core board, and is used for instructing the control module to determine the controlled core board according to the control preparation instruction and establishing a control environment between the master control core board and the controlled core board.

The master control core board may be a core board for controlling other core boards to perform a series of operations; the controlled core board may be a core board that is controlled by the master core board to perform operations. For example, the master core board may control the controlled core board to perform operations such as software refreshing or software debugging. The control preparation instruction may be an instruction issued by the master core board after the master core board has completed preparation for controlling the controlled core board.

ARM cluster server still includes the mainboard, and the mainboard is connected with two at least support plates. The controlling environment may include establishing an instruction direct connection channel between the master control core board and the controlled core board; establishing a data direct connection channel between a master control core board and a controlled core board; the data direct connection channel is communicated through a communication switch arranged between the data transmission channels of the carrier plate and the main board; and controlling the controlled mode of the controlled core board.

The data direct connection channel may be a channel for performing data transmission between the master control core board and the controlled core board. For example, a connection switch connected to the master control core board and a connection switch connected to the controlled core board may be controlled by the carrier board, so as to complete establishment of a data direct connection channel between the master control core board and the controlled core board. The data direct connection channel may be a serial communication bus.

The controlled mode of the controlled core board may be a working mode of the controlled core board in a controlled state. The working mode of the controlled core board in the normal state may be a slave mode, and when the controlled core board is in the controlled state, the working mode may be switched from the slave mode to the controlled mode.

For example, the core board may respond to a manual instruction of a relevant person, and the core board is used as a master control core board; and switching the working mode of the local board to a host mode carrier board and sending a control preparation instruction to the carrier board, wherein the control preparation instruction comprises the address of the controlled core board. After the carrier board establishes the controlled core board according to the control preparation instruction, the working mode of the controlled core board can be controlled to be the controlled mode; controlling to open a communication switch connected with a controlled core board and a communication switch connected with a host core board so as to establish a data direct connection channel between the master control core board and the controlled core board; and the master control core board controls the controlled core board through the data straight communication channel.

For example, if the master control core board and the controlled core board are not on the same carrier board, the connection switch between the data transmission channel of the connection terminal of the master control core board and the data transmission terminal of the motherboard is controlled to establish a direct data connection channel between the master control core board and the motherboard. The method comprises the steps that a communication request is initiated to a mainboard by a control module of the carrier plate to request the mainboard to determine the carrier plate where a controlled core plate is located, and a communication switch on the mainboard and a communication switch of the carrier plate where the controlled core plate is located are controlled to establish a data direct connection channel crossing the carrier plate between a master control core plate and the controlled core plate, so that a control environment between the master control core plate and the controlled core plate is established.

And S420, controlling the controlled core board based on the control environment.

After the control environment is established, the master control core board controls the controlled core board based on the control environment.

In an optional embodiment, after controlling the controlled core board, the method further includes: and sending a control ending instruction to the control module to inform the control module to cancel the control environment.

This optional embodiment sends the control end instruction to the control module to notify the control module to cancel the control environment, thereby avoiding the influence of the constructed control environment on other core boards which normally work, and facilitating the subsequent control on other controlled core boards not to be influenced.

In a specific embodiment, when the core board needs to perform a software update or a software debug, the core board may be determined as the controlled core board. And related personnel select a master control core board for controlling the controlled core board and switch the master control core board from a slave mode to a master mode. The master control core board sends a control preparation instruction to a control module of a carrier board where the master control core board is located; and after the carrier board acquires the control preparation instruction sent by the master control core board, determining the controlled core board according to the control preparation instruction. And powering off and controlling the controlled core board.

If the controlled core board and the master control core board are on the same carrier board, the carrier board controls to open the connection switch connected with the controlled core board and the connection switch connected with the master control core board, and therefore the data direct connection channel of the master control core board and the data direct connection channel of the controlled core board are established.

If the controlled core board and the master control core board are not in the same carrier board, the carrier board controls a communication switch between a data transmission channel of a connecting terminal of the master control core board and a data transmission terminal of the mainboard to establish a direct data connection channel between the master control core board and the mainboard; the method comprises the steps that a communication request is sent to a mainboard by the aid of the mainboard, the mainboard determines a carrier plate where a controlled core board is located, and a communication switch on the mainboard and a communication switch of the carrier plate where the controlled core board is located are controlled, so that a data direct connection channel crossing the carrier plate between a master control unit and the controlled core board is established.

And switching the controlled core board to a controlled mode, and performing power-on control on the controlled core board so as to control the controlled core board by the main control core board in a power-on state. After the control is finished, the controlled core board is powered off, the control environment is cancelled, namely, a data direct connection channel between the controlled core board and the master control core board is disconnected, and meanwhile, the controlled core board is switched to a slave mode to power on the controlled core board.

The control preparation instruction is sent to the control module of the carrier board where the local computer is located, so that the carrier board control module is instructed to determine the controlled core board according to the control preparation instruction, and a control environment between the master control core board and the controlled core board is established; based on the control environment, the control of the master control core board on the controlled core board is realized, the control of the core board through a more complex data transmission path by the mainboard is not needed, the control of the core board on the core board can be directly realized by the carrier plate, the data transmission path is shortened, the use of a peripheral chip is reduced, the control circuit is simplified, and the control efficiency of the core board is improved.

Fig. 5 is a schematic diagram of a core board control device according to an embodiment of the present disclosure, where the embodiment is applicable to a situation of controlling a core board, and the device is configured in a carrier board of an ARM cluster server, so that the core board control method according to any embodiment of the present disclosure can be implemented. Referring to fig. 5, the core board control device 500 specifically includes the following:

the instruction obtaining module 501 is configured to obtain a control preparation instruction sent by a master control core board, and determine a controlled core board according to the control preparation instruction;

an environment establishing module 502, configured to establish a control environment between the master core board and the controlled core board; wherein, the control environment is used for the master control core board to control the controlled core board.

In an optional embodiment, the core board control apparatus 500 further includes:

and the environment cancelling module is used for cancelling the control environment when a control ending instruction sent by the main control core board is obtained.

In an alternative embodiment, the control environment includes at least one of:

the instruction direct connection channel is arranged between the master control core board and the controlled core board;

the data between the master control core board and the controlled core board is directly connected with a channel;

a controlled mode of the controlled core board.

In an alternative embodiment, the environment establishing module 502 includes:

and the direct connection channel establishing unit is used for controlling a communication switch between data transmission channels of the connecting terminals according to the connecting terminals of the master control core board and the controlled core board on the carrier board respectively so as to establish a data direct connection channel between the master control core board and the controlled core board.

In an optional implementation manner, the ARM cluster server further includes a main board, where the main board is connected to at least two carrier boards, and then the environment establishing module 502 includes:

the communication switch control unit is used for controlling a communication switch between a data transmission channel of a connecting terminal of the main control core board and a mainboard data transmission terminal to establish a data direct connection channel between the main control core board and the mainboard if the controlled core board and the main control core board are not on the same carrier board;

and the communication request sending unit initiates a communication request to the mainboard to request the mainboard to determine the carrier plate where the controlled core board is located, and controls the communication switch on the mainboard and the communication switch of the carrier plate where the controlled core board is located to establish a direct data connection channel between the master control board and the controlled core board across the carrier plate.

In an optional implementation manner, the connection request sending unit includes:

the communication request sending subunit is used for sending a communication request through field bus broadcasting of the control module; the connection request includes an address of a controlled core board, and the address is used for the main board to identify a connection position of the controlled core board.

In an optional embodiment, the data direct connection channel is a serial communication bus, and the communication switch is an analog switch disposed on the carrier board.

In an optional embodiment, the control environment is configured to allow the master core board to perform software refreshing or software debugging on the controlled core board.

In an optional embodiment, the core board control device 500 further includes:

the first power-down control module is used for performing power-down control on the controlled core board before a control environment between the master control core board and the controlled core board is established;

correspondingly, the core board control device 500 further includes:

the first power-on control module is used for performing power-on control on the controlled core board after a control environment between the master control core board and the controlled core board is established;

correspondingly, the core board control device 500 further includes:

the second power-off control module is used for performing power-off control on the controlled core board before the control environment is cancelled;

correspondingly, the core board control device 500 further includes:

and the second power-on control module is used for performing power-on control on the controlled core board after the control environment is cancelled.

The core board control device provided in the technical solution of the embodiment of the present disclosure may execute the core board control method provided in any embodiment of the present disclosure, and has functional modules and advantageous effects corresponding to the execution of the core board control method.

Fig. 6 is a schematic diagram of a core board control device according to an embodiment of the present disclosure, where this embodiment is applicable to a case of controlling a core board, and the device is configured in a core board of an ARM cluster server, and can implement a core board control method according to any embodiment of the present disclosure. Referring to fig. 6, the core board control device 600 specifically includes the following:

the instruction sending module 601 is configured to send a control preparation instruction to a control module of a carrier where the local computer is located if the local computer is determined to be the master control core board; the control preparation instruction comprises an address of a controlled core board, and is used for indicating the control module to determine the controlled core board according to the control preparation instruction and establishing a control environment between the master control core board and the controlled core board;

a core board control module 602, configured to control the controlled core board based on the control environment.

In an optional embodiment, the core board control apparatus 600 includes:

and the ending instruction sending module is used for sending a control ending instruction to the control module after the controlled core board is controlled so as to inform the control module to cancel the control environment.

In an alternative embodiment, the control environment includes at least one of:

the data between the master control core board and the controlled core board is directly connected with a channel; the data direct connection channel is communicated through a communication switch arranged between the data transmission channels of the carrier plate and the main board; the ARM cluster server also comprises a mainboard, wherein the mainboard is connected with at least two carrier plates;

a controlled mode of the controlled core board.

In the technical scheme of the disclosure, the collection, storage, use, processing, transmission, provision, disclosure and the like of the personal information of the related user all conform to the regulations of related laws and regulations, and do not violate the good custom of the public order.

According to an embodiment of the present disclosure, the present disclosure further provides a carrier board of an ARM cluster server, such as a structural block diagram of the carrier board of the ARM cluster server shown in fig. 7. The carrier board 700 of the ARM cluster server includes at least one control module 701; and a memory 702 communicatively coupled to at least one control module 701. A plurality of connection terminals 703 for inserting the main board and/or the at least one core board; and the at least one communication switch 704 is connected with the control module 701 of the carrier board and the core board and/or the main board and is used for being closed under the control of the control module 701 to form a data through channel.

The control module 701 may adopt an MCU; the connection terminal 703 may be used to plug in a motherboard and at least one core board, etc. according to actual requirements.

The communication switch 704 is used for controlling establishment of a data direct connection channel between the core boards on the same carrier board and controlling establishment of a data direct connection channel between the core boards on different carrier boards.

The memory 702 stores instructions executable by the at least one control module 701, and the instructions are executed by the at least one control module 701, so that the at least one control module 701 can execute any core board control method executed by the carrier board according to the above embodiments of the present disclosure.

One or more power supply management units may be further disposed on the carrier board, and the power supply management units are respectively connected to the connection terminals 703 and used for supplying power to the core board plugged into the connection terminals 703 in an enabled state.

According to an embodiment of the present disclosure, the present disclosure further provides a core board of an ARM cluster server, such as a structural block diagram of the core board of the ARM cluster server shown in fig. 8. ARM cluster server's core plate 800 includes: at least one processor 801; and a memory 802 communicatively coupled to the at least one processor.

The processor 801 may be an MCU microcontroller or an SoC system-on-chip. The memory 802 stores instructions executable by the at least one processor 801, and is capable of being executed by the at least one processor 801, so that the at least one processor 801 can execute any core board control method executed by the core board according to the above embodiment of the disclosure.

The core board 800 of the ARM cluster server may further include a connection carrier board terminal for connecting a carrier board.

According to an embodiment of the present disclosure, the present disclosure further provides an ARM cluster server, such as a structural block diagram of the ARM cluster server shown in fig. 9. The ARM cluster server 900 comprises a main board 901, at least one carrier board 902 connected to the main board 901 and at least one core board 903 connected to the carrier board, wherein the main board 901 is provided by the embodiment of the disclosure.

An instruction transmission channel and a data transmission channel are connected between the main board 901 and the control module 9021 of the carrier board 902; the carrier plate 902 is provided with a plurality of connection terminals 9022, which are connected to the control module 9021 of the carrier plate 902 through an instruction transmission channel and a data transmission channel;

a communication switch 9023 is arranged between the data transmission channels, and the communication switch 9023 is connected to the control module 9021 of the carrier plate 902 or the motherboard 901, and is configured to be closed under the control of the control module 9021 to form a data direct connection channel.

Program code for implementing the methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowchart and/or block diagram to be performed. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.

The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), Wide Area Network (WAN) blockchain networks, and the internet.

The computer system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome. The server may also be a server of a distributed system, or a combined server.

It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in this disclosure may be performed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions provided by this disclosure can be achieved, which are not limited herein.

The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. A core board control method is applied to an ARM cluster server, an ARM cluster server carrier board and at least two core boards connected to the carrier board, wherein any one core board is used as a master control core board, and any other core board is used as a controlled core board, the method is executed by a control module of the carrier board, and the method comprises the following steps:

2. The method of claim 1, further comprising:

and when a control ending instruction sent by the main control core board is obtained, the control environment is cancelled.

3. The method of claim 1, wherein the control environment comprises at least one of:

a controlled mode of the controlled core board.

4. The method of claim 3, wherein establishing a control environment between the master core board and a controlled core board comprises:

and controlling a communication switch between data transmission channels of the connecting terminals according to the connecting terminals of the master control core board and the controlled core board on the carrier board respectively so as to establish a data direct connection channel between the master control core board and the controlled core board.

5. The method of claim 3, wherein the ARM cluster server further comprises a motherboard, and the motherboard is connected to at least two carrier boards, and then establishing the control environment between the master core board and the controlled core board comprises:

if the controlled core board and the master control core board are not on the same carrier board, controlling a communication switch between a data transmission channel of a connecting terminal of the master control core board and a data transmission terminal of the mainboard to establish a data direct connection channel between the master control core board and the mainboard;

and initiating a communication request to the mainboard to request the mainboard to determine the carrier plate where the controlled core board is located, and controlling a communication switch on the mainboard and a communication switch of the carrier plate where the controlled core board is located to establish a data direct connection channel between the master control core board and the controlled core board across the carrier plate.

6. The method of claim 5, wherein initiating a connectivity request to a motherboard comprises:

sending a communication request through the field bus broadcast of the control module; the connection request includes an address of a controlled core board, and the address is used for the main board to identify a connection position of the controlled core board.

7. The method of any one of claims 3-6, wherein the data-direct channel is a serial communication bus and the connectivity switch is an analog switch disposed on the carrier board.

8. The method of claim 1, wherein the control environment is used for the master core board to perform software refreshing or software debugging on the controlled core board.

9. The method of claim 2, before establishing the control environment between the master core board and the controlled core board, further comprising: the controlled core board is subjected to power-off control;

correspondingly, after the control environment between the master control core board and the controlled core board is established, the method further includes: performing power-on control on the controlled core board;

correspondingly, before revoking the control environment, the method further comprises: the controlled core board is subjected to power-off control;

after the control environment is withdrawn, the method further comprises the following steps: and carrying out power-on control on the controlled core board.

10. A core board control method is applied to an ARM cluster server, the ARM cluster server comprises a carrier board and at least two core boards connected to the carrier board, wherein any one core board is used as a master control core board, any other core board is used as a controlled core board, the method is executed by any one core board, and the method comprises the following steps:

and controlling the controlled core board based on the control environment.

11. The method of claim 10, after controlling the controlled core board, further comprising:

and sending a control ending instruction to the control module to inform the control module to cancel the control environment.

12. The method of claim 10, wherein the control environment comprises at least one of:

a controlled mode of the controlled core board.

13. The method of claim 10, wherein the control environment is used for the master core board to perform software refresh or software debug on the controlled core board.

14. The utility model provides a nuclear core plate controlling means, disposes in ARM cluster server's support plate, ARM cluster server support plate to and connect two at least nuclear core plates on the support plate, wherein arbitrary one nuclear core plate is as main control nuclear core plate, and arbitrary another nuclear core plate is as being controlled nuclear core plate, the device includes:

15. The utility model provides a nuclear core plate controlling means, disposes in ARM cluster server's nuclear core plate, ARM cluster server support plate to and connect two at least nuclear core plates on the support plate, wherein arbitrary one nuclear core plate is as main control nuclear core plate, and arbitrary another nuclear core plate is as being controlled nuclear core plate, the device includes:

16. A carrier plate of an ARM cluster server comprises:

at least one control module; and

a memory communicatively coupled to the at least one control module;

the memory stores instructions executable by the at least one control module to enable the at least one control module to perform the core board control method of any one of claims 1-9.

17. A core board for an ARM cluster server, comprising:

at least one processor; and

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the core board control method of any one of claims 10-13.

18. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the core board control method according to any one of claims 1-9 or 10-13.

19. An ARM cluster server comprises a mainboard, at least one carrier board connected to the mainboard, and at least two core boards connected to the carrier board; wherein:

and a communication switch is arranged between the data transmission channels, is connected with the control module of the carrier plate or the mainboard and is used for being closed under the control of the control module to form a data direct connection channel.