CN111858100A - BMC message transmission method and related device - Google Patents
BMC message transmission method and related device Download PDFInfo
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- CN111858100A CN111858100A CN202010738634.2A CN202010738634A CN111858100A CN 111858100 A CN111858100 A CN 111858100A CN 202010738634 A CN202010738634 A CN 202010738634A CN 111858100 A CN111858100 A CN 111858100A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
Abstract
The application discloses a BMC message transmission method, which comprises the following steps: the BIOS generates a first sending identifier according to the first message content; sending the first message content and the first sending identifier to a BMC (baseboard management controller), so that the BMC can generate a first receiving identifier according to the first message content, and sending the first receiving identifier to the BIOS when sending a second message content; judging whether the first sending identifier is the same as the first receiving identifier or not; if so, judging that the message transmission is successful, and realizing the BMC message transmission. By adding the sending identifier and the receiving identifier when data is transmitted between the BIOS and the BMC, the accuracy of the received data is judged, so that the abnormal process of data transmission is controlled, and the accuracy and controllability of data transmission are improved. The application also discloses a BMC message transmission system, a server and a computer readable storage medium, which have the beneficial effects.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a BMC message transmission method, a BMC message transmission system, a server, and a computer-readable storage medium.
Background
With the continuous development of information technology, the demands of various organizations on the server are increasing. In the hardware of the server, the BMC (Baseboard Management Controller) is used as a server hardware Management Controller, which brings great convenience to the Management of the server hardware and software, and greatly improves both the function and the performance.
In the prior art, usually, a BIOS (Basic Input Output System) and a BMC communicate with each other through an IPMI (Intelligent Platform Management Interface) command interaction manner, and the BIOS actively sends different IPMI commands to the BMC at each stage of startup to acquire or transmit messages, but the BMC cannot actively send messages to the BIOS. On the basis, in the communication process of the server BIOS and the BMC, because both parties are not reliably transmitted, the transmitted information may be blocked and not transmitted due to the problem of one party, and particularly, the information is lost in the middle. At this time, the BMC cannot notify the BIOS of the transmission problem, which makes debug difficult. That is, the BMC has a problem during the transmission process, and there is no way to process the subsequent message, and the BMC cannot inform the current status of the BIOS, thereby causing the subsequent problem, and because the message of the BMC cannot be sent, the corresponding debug operation cannot be performed, thereby causing difficulty in maintenance and repair during the information transmission process.
Therefore, how to control the exception of the BMC message transmission process is a key issue that those skilled in the art are interested in.
Disclosure of Invention
The purpose of the application is to provide a BMC message transmission method, a BMC message transmission system, a server and a computer readable storage medium, wherein the sending identifier and the receiving identifier are added when data is transmitted between a BIOS and a BMC, so that the accuracy of the received data is judged, the abnormal process of data transmission is controlled, and the accuracy and controllability of the data transmission are improved.
In order to solve the above technical problem, the present application provides a BMC message transmission method, including:
the BIOS generates a first sending identifier according to the first message content;
sending the first message content and the first sending identifier to a BMC (baseboard management controller), so that the BMC can generate a first receiving identifier according to the first message content, and sending the first receiving identifier to the BIOS when sending a second message content;
judging whether the first sending identifier is the same as the first receiving identifier or not;
if so, judging that the message transmission is successful, and realizing the BMC message transmission.
Optionally, the method further includes:
when the BMC generates the first receiving identification, judging whether the received first sending identification is the same as the first receiving identification;
if yes, generating second message content according to the first message content, and sending the second message content to the BIOS;
if not, sending a transmission error message.
Optionally, the method further includes:
when the BIOS judges that the first sending identification is different from the first receiving identification, the BISO executes an error recording operation;
and executing message retransmission operation on the BMC.
Optionally, the generating, by the BIOS, the first sending identifier according to the first message content includes:
the BIOS acquires a sending serial number of a current sending message;
and generating the first sending identification by using the length of the first message content and the sending sequence number.
The present application further provides a BMC message transmission system, including:
the first identification module is used for generating a first sending identification according to the first message content;
the first sending module is used for sending the first message content and the first sending identifier to the BMC so that the BMC can generate a first receiving identifier according to the first message content, and the first receiving identifier is sent to the BIOS when second message content is sent;
the first judging module is used for judging whether the first sending identifier is the same as the first receiving identifier or not;
and the first judging module is used for judging that the message transmission is successful when the first sending identifier is the same as the first receiving identifier, so that the BMC message transmission is realized.
Optionally, the method further includes:
the second judging module is used for judging whether the received first sending identifier is the same as the first receiving identifier or not when the first receiving identifier is generated;
a second identification module, configured to generate a second message content according to the first message content when the first sending identification is the same as the first receiving identification, and send the second message content to the BIOS;
and the second judging module is used for sending a transmission error message when the first sending identifier is different from the first receiving identifier.
Optionally, the method further includes:
the error recording module is used for executing error recording operation when the first sending identifier is judged to be different from the first receiving identifier;
and the message retransmission module is used for executing message retransmission operation on the BMC.
Optionally, the first identification module includes:
a sequence number obtaining unit, configured to obtain a sending sequence number of a currently sent message;
and the identifier generating unit is used for generating the first sending identifier by using the length of the first message content and the sending sequence number.
The present application further provides a server, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the BMC message transmission method as described above when executing the computer program.
The present application also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the BMC message transmission method as described above.
The application provides a BMC message transmission method, which comprises the following steps: the BIOS generates a first sending identifier according to the first message content; sending the first message content and the first sending identifier to a BMC (baseboard management controller), so that the BMC can generate a first receiving identifier according to the first message content, and sending the first receiving identifier to the BIOS when sending a second message content; judging whether the first sending identifier is the same as the first receiving identifier or not; if so, judging that the message transmission is successful, and realizing the BMC message transmission.
The method comprises the steps that a first message content and a first sending identifier are sent to a BMC through a BIOS, so that the BMC generates a first receiving identifier according to the first message content, the first receiving identifier is sent to the BIOS when a second message content is sent, the BIOS can receive the first receiving identifier, and then the first sending identifier and the first receiving identifier are judged so as to determine whether message transmission is successful or not in the process, accuracy judgment of received data is achieved, so that an abnormal process of data transmission is controlled, and accuracy and controllability of data transmission are improved.
The application also provides a BMC message transmission system, a server and a computer readable storage medium, which have the above beneficial effects and are not described herein again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a BMC message transmission method according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a BMC message transmission system according to an embodiment of the present disclosure.
Detailed Description
The core of the application is to provide a BMC message transmission method, a BMC message transmission system, a server and a computer readable storage medium, wherein the sending identifier and the receiving identifier are added when data is transmitted between a BIOS (basic input output System) and a BMC (baseboard management controller), so that the accuracy of the received data is judged, the abnormal process of data transmission is controlled, and the accuracy and the controllability of the data transmission are improved.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the prior art, usually, the communication between the BIOS and the BMC is performed through an IPMI command interaction manner, and the BIOS actively sends different IPMI commands to the BMC at each stage of the start-up to acquire or transmit messages, but the BMC cannot actively send messages to the BIOS. On the basis, in the communication process of the server BIOS and the BMC, because both parties are not reliably transmitted, the transmitted information may be blocked and not transmitted due to the problem of one party, and particularly, the information is lost in the middle. At this time, the BMC cannot notify the BIOS of the transmission problem, which makes debug difficult. That is, the BMC has a problem during the transmission process, and there is no way to process the subsequent message, and the BMC cannot inform the current status of the BIOS, thereby causing the subsequent problem, and because the message of the BMC cannot be sent, the corresponding debug operation cannot be performed, thereby causing difficulty in maintenance and repair during the information transmission process.
Therefore, the application provides a BMC message transmission method, which sends a first message content and a first sending identifier to a BMC through a BIOS, so that the BMC generates a first receiving identifier according to the first message content, and sends the first receiving identifier to the BIOS when sending a second message content, so that the BIOS can receive the first receiving identifier, and then judges the first sending identifier and the first receiving identifier, so as to determine whether the message transmission is successful in the process, and realize the accuracy judgment of received data, so as to control the abnormal process of data transmission and improve the accuracy and controllability of data transmission.
A BMC message transmission method provided by the present application is described below by an embodiment.
Referring to fig. 1, fig. 1 is a flowchart of a BMC message transmission method according to an embodiment of the present disclosure.
In this embodiment, the method may include:
s101, generating a first sending identifier by the BIOS according to the first message content;
the step aims at that the BIOS generates a first sending identifier according to the first message content and stores the first sending identifier in a sending queue of the BIOS. The first sending identifier is unique identification information of the message content being sent by the BIOS at the time. The first transmission identity changes whenever the first message content changes.
Specifically, any method that obtains a unique first transmission identifier may be used as the method for generating the first transmission identifier in this step. The hash calculation may be performed on the first Message content, MD5(Message-Digest Algorithm) value calculation may be performed on the first Message content, or a unique sequence number may be set in the first Message content. It can be seen that, in this embodiment, the manner of obtaining the unique first sending identifier is not unique, and is not specifically limited herein.
Optionally, this step may include:
step 1, BIOS obtains the sending serial number of the current sending message;
and 2, generating a first sending identifier by using the length of the first message content and the sending sequence number.
It can be seen that the present alternative scheme mainly explains how to generate the first transmission identifier. Specifically, in this alternative, the transmission sequence number of the currently transmitted message is first acquired. The sequence number is determined according to the currently used sequence number, and a preset variable is added on the basis of the current sequence number to obtain the sending sequence number. Then, the length of the first message content and the transmission sequence number are used to generate a first transmission identifier. I.e. the length and sequence number of the content of the first message are combined to the first transmission identity. Wherein the length of the first message content is used to determine whether the message content has changed.
S102, sending the first message content and the first sending identifier to the BMC so that the BMC can generate a first receiving identifier according to the first message content, and sending the first receiving identifier to the BIOS when sending the second message content;
on the basis of S101, this step is intended to send the first message content and the corresponding first sending identifier to the BMC. Therefore, the BMC generates a first receiving identifier according to the first message content, and sends the first receiving identifier to the BIOS when sending the second message content.
That is, in this embodiment, after receiving the first message content and the first sending identifier, the BMC generates a corresponding first receiving identifier, and then sends the first receiving identifier to the BIOS along with the second message content. And the second message content is the second message content returned after the BMC processes the first message content.
S103, judging whether the first sending identifier is the same as the first receiving identifier or not; if yes, executing S104; if not, executing S105;
on the basis of S102, this step is directed to the BIOS determining whether the first sending identity and the first receiving identity are the same. That is, it is determined whether the data sent by the BIOS is the same as the data received by the BMC.
S104, judging that the message is successfully transmitted, and realizing BMC message transmission;
on the basis of S103, the step aims to judge that the message transmission is successful and realize BMC message transmission. That is, it is determined at this time that the data received by the BMC is the same as the data sent by the BIOS, indicating that the corresponding message transmission is successful, and thus, the BMC message transmission is realized.
S105, when the BIOS judges that the first sending identifier is different from the first receiving identifier, the BISO executes an error recording operation; and executing message retransmission operation on the BMC.
Based on S103, this step is intended to determine that the message transmission fails, that is, the data received by the BMC is not the same as the data sent by the BIOS. At this time, the location of the data transmission error is determined by the first sending identifier and the first receiving identifier, that is, the data transmission error occurs during the process of sending the data from the BIOS to the BMC.
And executing the message retransmission operation on the BMC means that the first message content is retransmitted to the BMC until the BMC receives correct data.
In addition, after receiving the data sent by the BIOS, the BMC in this embodiment may further include:
step 1, when the BMC generates a first receiving identifier, judging whether the received first sending identifier is the same as the first receiving identifier;
step 2, if yes, generating second message content according to the first message content, and sending the second message content to the BIOS;
and 3, if not, sending a transmission error message.
It can be seen that the embodiment mainly explains when the BMC receives data sent by the BIOS. Specifically, in this alternative, when the BMC generates the first receiving identifier, it is first determined whether the received first sending identifier is the same as the first receiving identifier. That is, the BMC may itself determine whether the received data is accurate. If so, generating second message content according to the first message content, and sending the second message content to the BIOS; if not, sending a transmission error message.
In summary, in this embodiment, the first message content and the first sending identifier are sent to the BMC by the BIOS, so that the BMC generates the first receiving identifier according to the first message content, and sends the first receiving identifier to the BIOS when sending the second message content, so that the BIOS can receive the first receiving identifier, and then judges the first sending identifier and the first receiving identifier, so as to determine whether to successfully transmit the message in the process, and realize the accuracy judgment on the received data, so as to control the abnormal process of data transmission, and improve the accuracy and controllability of data transmission.
A BMC message transmission method provided in the present application is described below with reference to a specific embodiment.
In this embodiment, the method may include:
step 1, respectively initializing a message sending queue and a message receiving queue by a BIOS (basic input output System) and a BMC (baseboard management controller);
step 2, the BIOS sends a first message content carrying a first sending identifier to the BMC in a first stage, and a sending message queue and a receiving message queue of the BMC are in an initialization stage at the moment;
step 3, after the BMC receives the first message content, the first receiving queue of the BMC end is a first sending identifier and the first message content, the first receiving queue is sent to the BIOS along with the second message content of the BMC, and the first sending identifier of the BIOS end and the first receiving identifier of the BMC are compared in size; if the BMC needs to send data to the BIOS, the BMC also needs to carry a second sending identifier;
and 4, after receiving the second message content, the BIOS updates the received message queue, compares the second receiving identifier of the BIOS end with the second sending identifier of the BMC end, and so on.
It can be seen that, in this embodiment, the first message content and the first sending identifier are sent to the BMC by the BIOS, so that the BMC generates the first receiving identifier according to the first message content, and when the second message content is sent, the first receiving identifier is sent to the BIOS, so that the BIOS can receive the first receiving identifier, and then the first sending identifier and the first receiving identifier are determined, so as to determine whether the message is successfully transmitted in the process, so that the accuracy determination of the received data is performed, so that the abnormal process of data transmission is controlled, and the accuracy and controllability of the data transmission are improved.
In the following, a BMC message transmission system provided in an embodiment of the present application is introduced, and a BMC message transmission system described below and a BMC message transmission method described above may be referred to correspondingly.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a BMC message transmission system according to an embodiment of the present disclosure.
In this embodiment, the system may include:
a first identifier module 100, configured to generate a first sending identifier according to a first message content;
the first sending module 200 is configured to send the first message content and the first sending identifier to the BMC, so that the BMC generates a first receiving identifier according to the first message content, and sends the first receiving identifier to the BIOS when sending the second message content;
a first determining module 300, configured to determine whether the first sending identity is the same as the first receiving identity;
the first determining module 400 is configured to determine that the message transmission is successful when the first sending identifier is the same as the first receiving identifier, so as to implement BMC message transmission.
Optionally, the system may further include:
the second judging module is used for judging whether the received first sending identifier is the same as the first receiving identifier or not when the first receiving identifier is generated;
the second identification module is used for generating second message content according to the first message content when the first sending identification is the same as the first receiving identification, and sending the second message content to the BIOS;
and the second judging module is used for sending a transmission error message when the first sending identifier is different from the first receiving identifier.
Optionally, the system may further include:
the error recording module is used for executing error recording operation when the first sending identifier is judged to be different from the first receiving identifier;
and the message retransmission module is used for executing message retransmission operation on the BMC.
Optionally, the first identification module 100 may include:
a sequence number obtaining unit, configured to obtain a sending sequence number of a currently sent message;
and the identification generating unit is used for generating a first sending identification by the length of the first message content and the sending sequence number.
An embodiment of the present application further provides a server, including:
a memory for storing a computer program;
a processor for implementing the steps of the BMC message transmission method according to the above embodiments when executing the computer program.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the BMC message transmission method according to the above embodiment are implemented.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
A BMC message transmission method, a BMC message transmission system, a server, and a computer-readable storage medium provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. A BMC message transmission method is characterized by comprising the following steps:
the BIOS generates a first sending identifier according to the first message content;
sending the first message content and the first sending identifier to a BMC (baseboard management controller), so that the BMC can generate a first receiving identifier according to the first message content, and sending the first receiving identifier to the BIOS when sending a second message content;
judging whether the first sending identifier is the same as the first receiving identifier or not;
if so, judging that the message transmission is successful, and realizing the BMC message transmission.
2. The BMC message transmission method of claim 1, further comprising:
when the BMC generates the first receiving identification, judging whether the received first sending identification is the same as the first receiving identification;
if yes, generating second message content according to the first message content, and sending the second message content to the BIOS;
if not, sending a transmission error message.
3. The BMC message transmission method of claim 1, further comprising:
when the BIOS judges that the first sending identification is different from the first receiving identification, the BISO executes an error recording operation;
and executing message retransmission operation on the BMC.
4. The BMC message transmission method of claim 1, wherein the generating, by the BIOS, the first sending flag according to the first message content comprises:
the BIOS acquires a sending serial number of a current sending message;
and generating the first sending identification by using the length of the first message content and the sending sequence number.
5. A BMC message transmission system, comprising:
the first identification module is used for generating a first sending identification according to the first message content;
the first sending module is used for sending the first message content and the first sending identifier to the BMC so that the BMC can generate a first receiving identifier according to the first message content, and the first receiving identifier is sent to the BIOS when second message content is sent;
the first judging module is used for judging whether the first sending identifier is the same as the first receiving identifier or not;
and the first judging module is used for judging that the message transmission is successful when the first sending identifier is the same as the first receiving identifier, so that the BMC message transmission is realized.
6. The BMC messaging system of claim 1, further comprising:
the second judging module is used for judging whether the received first sending identifier is the same as the first receiving identifier or not when the first receiving identifier is generated;
a second identification module, configured to generate a second message content according to the first message content when the first sending identification is the same as the first receiving identification, and send the second message content to the BIOS;
and the second judging module is used for sending a transmission error message when the first sending identifier is different from the first receiving identifier.
7. The BMC messaging system of claim 1, further comprising:
the error recording module is used for executing error recording operation when the first sending identifier is judged to be different from the first receiving identifier;
and the message retransmission module is used for executing message retransmission operation on the BMC.
8. The BMC messaging system of claim 1, wherein the first identification module comprises:
a sequence number obtaining unit, configured to obtain a sending sequence number of a currently sent message;
and the identifier generating unit is used for generating the first sending identifier by using the length of the first message content and the sending sequence number.
9. A server, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the BMC message transmission method according to any of claims 1 to 4 when executing said computer program.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the BMC message transmission method according to one of claims 1 to 4.
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| CN112579506A (en) * | 2021-01-08 | 2021-03-30 | 中电科技（北京）有限公司 | BIOS and BMC communication method, BIOS, BMC and server |
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