CN108848182B - Updating method of BMC firmware, related equipment and system - Google Patents
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Abstract
The application discloses a method for updating BMC firmware, which comprises the steps that a master BMC receives a mirror image file sent by a network terminal; the master BMC sends the image file to the slave BMC by using a UART interface; the slave BMC updates the firmware based on the image file; and the slave BMC feeds back the updating progress to the master BMC according to the preset time until the updating is finished. The updating method realizes the online updating of each BMC firmware in the server, effectively reduces the complexity and cost of hardware design, and further reduces the operation difficulty and maintenance cost of users. The application also discloses a BMC management device, a BMC monitoring device and a BMC firmware updating system, which have the beneficial effects.
Description
Technical Field
The application relates to the technical field of servers, in particular to a BMC firmware updating method and a BMC management device, a BMC monitoring device and a BMC firmware updating system.
Background
A BMC (Board manager controller) is a substrate management system on a server, and is used to implement important functions of asset information display, hardware monitoring, heat dissipation regulation, system configuration, remote monitoring, log collection, fault diagnosis, system maintenance, and the like of the server. Due to the complexity of the server function or the need of multiplexing other product hardware, when the server is designed, two BMC chips are required to be installed to realize the monitoring management function of the whole server system, wherein one master BMC is used for the basic server monitoring management function, and the other one is used as a slave BMC, which is only used for monitoring some devices and only has partial simple functions of the master BMC, and meanwhile, the slave BMC also has a network interface and a web page for a user to access, which is different from the master BMC.
However, as the server technology develops, the function requirements of the BMC for the user gradually increase, and thus, the firmware of the BMC needs to be updated to meet the needs of the user. In the prior art, the update of the BMC firmware can be realized through a network interface, however, the method is only suitable for updating the firmware of the master BMC accessing the network, and cannot realize online update of the slave BMC firmware not accessing the network. When the firmware of the slave BMC needs to be updated, the slave BMC needs to enter a laboratory to access a network cable for realizing, the method is complex in operation and correspondingly high in maintenance cost.
Therefore, how to implement online update of each BMC firmware in the server, effectively reduce complexity and cost of hardware design, and further reduce operation difficulty and maintenance cost of a user is a problem to be solved by those skilled in the art.
Disclosure of Invention
The method for updating the BMC firmware realizes online updating of each BMC firmware in the server, effectively reduces complexity and cost of hardware design, and further reduces operation difficulty and maintenance cost of a user; another object of the present application is to provide a BMC management device, a BMC monitoring device, and a BMC firmware update system, all of which have the above advantages.
In order to solve the above technical problem, the present application provides a method for updating BMC firmware, including:
the master BMC receives a mirror image file sent by a network terminal;
the master BMC sends the image file to the slave BMC by using a UART interface;
the slave BMC updates the firmware based on the image file;
and the slave BMC feeds back the updating progress to the master BMC according to the preset time until the updating is finished.
Preferably, the sending, by the master BMC, the image file to the slave BMC using a UART interface includes:
the master BMC sends a transmission instruction based on the UART interface to the slave BMC;
the slave BMC responds to the transmission instruction and starts a transmission mode;
and under the transmission mode, the master BMC sends the image file to the slave BMC.
Preferably, after the master BMC sends the image file to the slave BMC by using the UART interface, the method further includes:
and the slave BMC stores the mirror image file to a self memory directory.
Preferably, the updating the firmware by the slave BMC based on the image file includes:
the master BMC sends an updating instruction based on the UART interface to the slave BMC;
the slave BMC responds to the updating instruction and starts an updating mode;
and in the updating mode, the slave BMC updates the firmware based on the image file.
Preferably, in the update mode, the performing, by the slave BMC, firmware update based on the image file includes:
in the update mode, the slave BMC moves the image file from the memory directory to an update directory;
and the slave BMC updates the firmware of the slave BMC in the update directory based on the image file.
Preferably, before the slave BMC updates the firmware in the update directory based on the image file, the method further includes:
the master BMC sends a checking instruction based on the UART interface to the slave BMC;
and the slave BMC responds to the checking instruction and checks the image file in the update directory.
Preferably, the feeding back the update progress to the master BMC by the slave BMC according to a predetermined time until the update is completed includes:
the master BMC sends a progress acquisition request instruction based on the UART interface to the slave BMC according to the preset time;
and the slave BMC responds to the progress acquisition request instruction and feeds back the updating progress to the master BMC until the updating is finished.
In order to solve the above technical problem, the present application provides a BMC management device, including:
a first memory for storing a first computer program;
and the first processor is used for executing the first computer program, receiving the image file sent by the network terminal, sending the image file to the BMC monitoring device by utilizing a UART interface, so that the BMC monitoring device updates the firmware based on the image file, and feeds back the updating progress according to preset time until the updating is finished.
In order to solve the above technical problem, the present application provides a BMC monitoring device, including:
a second memory for storing a second computer program;
the second processor is used for executing the second computer program and receiving the image file sent by the BMC management device by utilizing the UART interface; updating firmware based on the image file; and feeding back the updating progress to the BMC management equipment according to the preset time until the updating is finished.
In order to solve the technical problem, the present application provides an update system of a BMC firmware, including a BMC management device and a BMC monitoring device.
The updating method of the BMC firmware comprises the steps that a main BMC receives a mirror image file sent by a network terminal; the master BMC sends the image file to the slave BMC by using a UART interface; the slave BMC updates the firmware based on the image file; and the slave BMC feeds back the updating progress to the master BMC according to the preset time until the updating is finished.
Therefore, according to the update method of the BMC firmware provided by the application, after the master BMC receives the image file of the BMC firmware sent by the network terminal, the image file can be transmitted from the master BMC to the slave BMC to be updated based on a UART (Universal Asynchronous Receiver/Transmitter) interface, so that online update of each BMC firmware in the server is achieved, complexity of hardware design is effectively reduced, the system is simplified, hardware design cost is effectively reduced, and operation difficulty and maintenance cost of a user are further reduced.
The update system of the BMC management device, the BMC monitoring device and the BMC firmware provided by the application has the beneficial effects and is not repeated herein.
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 schematic flowchart illustrating a method for updating BMC firmware provided in the present application;
fig. 2 is a schematic flowchart of a method for transmitting an image file according to the present application;
FIG. 3 is a flowchart illustrating a method for updating firmware based on an image file according to the present application;
fig. 4 is a schematic flow chart of an update progress feedback method provided in the present application;
fig. 5 is a schematic diagram of a BMC management device provided in the present application;
FIG. 6 is a schematic diagram of a BMC monitoring device provided herein;
fig. 7 is a schematic diagram of a system for updating BMC firmware provided in the present application.
Detailed Description
The core of the application is to provide an updating method of BMC firmware, the updating method realizes online updating of each BMC firmware in a server, effectively reduces complexity and cost of hardware design, and further reduces operation difficulty and maintenance cost of a user; another core of the present application is to provide a system for updating a BMC management device, a BMC monitoring device, and a BMC firmware, which also has the above beneficial effects.
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.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for updating BMC firmware provided in the present application, where the method for updating BMC firmware includes:
s1: the master BMC receives a mirror image file sent by a network terminal;
specifically, the master BMC is an access network interface, and is a BMC management device for implementing a monitoring and management function on the entire server system, and since the master BMC may be connected to the network end, when firmware update needs to be performed on the master BMC, the master BMC may directly receive an image file sent by the network end through the network interface, and update the firmware of the master BMC based on the image file. When the firmware of the slave BMC in the server needs to be updated, the master BMC can receive the image file sent by the network terminal first, so as to further update the firmware of the slave BMC.
S2: the master BMC sends the image file to the slave BMC by using a UART interface;
specifically, after receiving the image file sent by the network terminal, the master BMC may send the image file to the slave BMC for subsequent firmware update based on the UART interface. The UART interface is a universal serial data bus, can be used for realizing the connection between the master BMC and the slave BMC so as to carry out asynchronous communication, can carry out bidirectional communication, and can realize full-duplex transmission and reception. In an embedded design, the UART may be used for host and accessory communications, such as between a car stereo and an external AP, and PC communications may include communications with a supervisory debugger and other devices, such as an EEPROM.
Optionally, referring to fig. 2, fig. 2 is a schematic flowchart of a method for transmitting an image file provided in the present application, where the sending, by the master BMC, the image file to the slave BMC by using the UART interface may include:
s201: the master BMC sends a transmission instruction based on a UART interface to the slave BMC;
s202: the slave BMC responds to the transmission instruction and starts a transmission mode;
s203: in the transmission mode, the master BMC sends the image file to the slave BMC.
Specifically, when the master BMC sends the image file to the slave BMC, since the slave BMC does not access the network, the master BMC may send a transmission instruction based on the UART interface to the slave BMC first, so that the slave BMC responds to the transmission instruction to start the transmission mode.
Optionally, after the master BMC sends the image file to the slave BMC by using the UART interface, the method may further include: and saving the mirror image file to the memory directory of the BMC.
Specifically, after receiving the image file, the slave BMC may store the image file in its own memory directory to implement a backup function, and meanwhile, may also be convenient to call the image file to implement subsequent firmware update processing.
S3: updating the firmware based on the image file from the BMC;
specifically, after receiving the image file, the slave BMC may update the firmware of the slave BMC based on the image file. The image file is a single file made of a specific series of files according to a certain format, is similar to a rar or ZIP compression package, can be identified by specific software and can be directly recorded on an optical disc, and therefore firmware updating can be achieved from the BMC based on the corresponding image file.
Optionally, referring to fig. 3, fig. 3 is a schematic flowchart of a method for updating firmware according to an image file provided in the present application, where the updating of the firmware from the BMC based on the image file may include:
s301: the master BMC sends an update instruction based on a UART interface to the slave BMC;
s302: the slave BMC responds to the updating instruction and starts an updating mode;
s303: and in the updating mode, the slave BMC updates the firmware based on the image file.
Specifically, similar to the transmission process of the image file, when the slave BMC updates the firmware based on the image file, the master BMC may first send an update instruction based on the UART interface to the slave BMC, so that the slave BMC responds to the update instruction to start the update mode, and further, the slave BMC may update the firmware based on the image file in the update mode.
Optionally, in the update mode, the updating the firmware from the BMC based on the image file may include: under the updating mode, the mirror image file is moved from the memory directory to the updating directory from the BMC; and updating the self firmware in the updating directory from the BMC based on the image file.
Specifically, after entering the update mode from the BMC, the image file in the memory directory of the BMC may be moved to the update directory, so as to update the firmware of the BMC in the update directory based on the image file.
S4: and the slave BMC feeds back the updating progress to the master BMC according to the preset time until the updating is finished.
Specifically, during the updating process of the firmware of the slave BMC, the slave BMC may send the update progress information to the master BMC at intervals of a predetermined time to feed back the progress of updating the firmware until the updating is finished, thereby completing the updating operation of the firmware of the whole slave BMC. The preset time can be set by a user according to actual conditions, and the preset time is not limited uniquely by the application.
Preferably, referring to fig. 4, fig. 4 is a flowchart illustrating a method for feeding back an update progress provided by the present application, where the feeding back the update progress to the master BMC according to a predetermined time until the update is finished may include:
s401: the master BMC sends a progress acquisition request instruction based on a UART interface to the slave BMC according to preset time;
s402: and the slave BMC responds to the progress acquisition request instruction and feeds back the updating progress to the master BMC until the updating is finished.
Specifically, similar to the transmission process of the image file, when the slave BMC feeds back the update progress to the master BMC according to the predetermined time, the master BMC may first send a progress acquisition request instruction based on the UART interface to the slave BMC at regular time, that is, send the progress acquisition instruction according to the predetermined time, so that the slave BMC responds to the progress acquisition request instruction and feeds back the update progress to the master BMC until the entire firmware update process is finished.
According to the updating method of the BMC firmware, after the master BMC receives the image file of the BMC firmware sent by the network terminal, the image file can be transmitted from the master BMC to the slave BMC to be updated based on the UART interface, so that online updating of each BMC firmware in the server is achieved, complexity of hardware design is effectively reduced, the system is simplified, meanwhile, hardware design cost is effectively reduced, and operation difficulty and maintenance cost of a user are further reduced.
On the basis of the above-described embodiment:
as a preferred embodiment, before the slave BMC updates the firmware based on the image file in the update directory, the master BMC may further send a calibration instruction based on the UART interface to the slave BMC; and the slave BMC responds to the checking instruction and checks the mirror image file in the updated directory.
Specifically, before updating the firmware based on the image firmware, the slave BMC may check the image firmware to verify the correctness of the image firmware. Firstly, a checking instruction based on a UART interface can be sent to the slave BMC by the master BMC so that the slave BMC can respond to the checking instruction and check the mirror image file in the updating directory of the slave BMC so as to further complete updating of the firmware of the slave BMC, and therefore the correctness of the mirror image file can be ensured.
The following is a specific embodiment of the update method of the BMC firmware provided in the present application, and a specific implementation manner of the update method is as follows:
the master BMC receives the image file sent by the network interrupt through the network interface, stores the image file into a storage directory of the master BMC, such as/var/rom.ima of the master BMC, and establishes session for communicating with the slave BMC through a UART interface so as to realize communication between the master BMC and the slave BMC;
further, the master BMC sends an ipmi command which informs the slave BMC of the transmission of the image file and is based on the UART interface, namely the transmission instruction, after the transmission is successful, the master BMC and the slave BMC start a file transmission module based on the UART interface, namely a transmission mode is started, the transmission of the image file is realized, and the image file is uploaded to a certain storage directory of the slave BMC, such as the slave BMC in/var/rom.ima;
further, the master BMC sends an ipmi command based on a UART interface informing that the slave BMC enters the update mode, and the slave BMC can respond to the command and enter the update mode;
further, after entering the update mode, the image file is moved from the storage directory of the BMC to the update directory, for example, from/var/rom.ima to/mnt/fwupdata tr/rom.ima;
further, the master BMC sends a UART interface-based ipmi command informing that the slave BMC performs mirror image verification, namely the verification command, and the slave BMC can respond to the verification command and perform mirror image verification on the mirror image file in the update directory;
further, after the verification is completed, the master BMC sends an ipmi command based on the UART interface, which informs the start of firmware update, to the slave BMC, namely the update command, and the slave BMC can respond to the update command to update the firmware of the slave BMC;
and finally, the master BMC sends an ipmi command which is based on a UART interface and used for acquiring the updating progress to the slave BMC in a circulating mode, namely the progress acquisition request command, and the slave BMC can respond to the progress acquisition request command to return the updating progress of the firmware of the slave BMC to the master BMC until the whole updating process is finished.
According to the updating method of the BMC firmware provided by the embodiment of the application, after the master BMC receives the image file of the BMC firmware sent by the network terminal, the image file can be transmitted from the master BMC to the slave BMC to be updated based on the UART interface, so that online updating of each BMC firmware in the server is realized, the complexity of hardware design is effectively reduced, the system is simpler, the hardware design cost is effectively reduced, and the operation difficulty and the maintenance cost of a user are further reduced.
To solve the above problem, please refer to fig. 5, fig. 5 is a schematic diagram of a BMC management device according to the present application, where the BMC management device may include:
a first memory 10 for storing a first computer program;
the first processor 11, when executing the first computer program, may implement the following steps:
the method comprises the steps of receiving a mirror image file sent by a network terminal, sending the mirror image file to BMC monitoring equipment by utilizing a UART interface, enabling the BMC monitoring equipment to update firmware based on the mirror image file, and feeding back an updating progress according to preset time until the updating is finished.
Optionally, the first processor 11 may be further configured to send a calibration instruction based on a UART interface to the BMC monitoring device, so that the BMC monitoring device responds to the calibration instruction and calibrates the mirror file in the update directory.
For the description of the BMC management device provided in this application, please refer to the above method embodiment, which is not described herein again.
To solve the above problem, please refer to fig. 6, fig. 6 is a schematic diagram of a BMC monitoring device according to the present application, where the BMC monitoring device may include:
a second memory 20 for storing a second computer program;
the second processor 21, configured to implement the following steps when executing the second computer program:
receiving a mirror image file sent by BMC management equipment by using a UART interface; updating the firmware based on the image file; and feeding back the updating progress to the BMC management equipment according to the preset time until the updating is finished.
Optionally, the second processor 21 may be further configured to receive a calibration instruction based on a UART interface and sent by the BMC management device, and perform calibration on the mirror image file in the update directory in response to the calibration instruction.
For the description of the BMC monitoring device provided in this application, please refer to the above method embodiment, which is not described herein again.
To solve the above problem, please refer to fig. 7, fig. 7 is a schematic diagram of a BMC firmware update system according to the present application, where the update system may include any one of the BMC management devices 1 and any one of the BMC monitoring devices 2.
For the description of the update system of the BMC firmware provided in this application, please refer to the above method embodiment, which is not described herein again.
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.
The update method of the BMC firmware, the BMC management device, the BMC monitoring device, and the update system of the BMC firmware provided in 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 these improvements and modifications also fall into the elements of the protection scope of the claims of the present application.
Claims (9)
1. A method for updating BMC firmware, comprising:
the master BMC receives a mirror image file sent by a network terminal;
the master BMC sends the image file to the slave BMC by using a UART interface;
the slave BMC updates the firmware based on the image file;
the slave BMC feeds back an updating progress to the master BMC according to preset time until the updating is finished;
wherein the master BMC sending the image file to the slave BMC using the UART interface includes:
the master BMC sends a transmission instruction based on the UART interface to the slave BMC;
the slave BMC responds to the transmission instruction and starts a transmission mode;
and under the transmission mode, the master BMC sends the image file to the slave BMC.
2. The update method of claim 1, wherein after the master BMC sends the image file to the slave BMC using a UART interface, further comprising:
and the slave BMC stores the mirror image file to a self memory directory.
3. The update method of claim 2, wherein the slave BMC performing the firmware update based on the image file comprises:
the master BMC sends an updating instruction based on the UART interface to the slave BMC;
the slave BMC responds to the updating instruction and starts an updating mode;
and in the updating mode, the slave BMC updates the firmware based on the image file.
4. The update method of claim 3, wherein in the update mode, the slave BMC performing the firmware update based on the image file comprises:
in the update mode, the slave BMC moves the image file from the memory directory to an update directory;
and the slave BMC updates the firmware of the slave BMC in the update directory based on the image file.
5. The update method of claim 4, wherein prior to the slave BMC performing the firmware update in the update directory based on the image file, further comprising:
the master BMC sends a checking instruction based on the UART interface to the slave BMC;
and the slave BMC responds to the checking instruction and checks the image file in the update directory.
6. The update method of claim 5, wherein the slave BMC feeding back the update progress to the master BMC in a predetermined time until the update is over, comprises:
the master BMC sends a progress acquisition request instruction based on the UART interface to the slave BMC according to the preset time;
and the slave BMC responds to the progress acquisition request instruction and feeds back the updating progress to the master BMC until the updating is finished.
7. A BMC management device, comprising:
a first memory for storing a first computer program;
the first processor is used for executing the first computer program, receiving a mirror image file sent by a network terminal, sending the mirror image file to the BMC monitoring device by utilizing a UART interface, so that the BMC monitoring device updates the firmware based on the mirror image file, and feeds back an updating progress according to preset time until the updating is finished; wherein, the sending the image file to the BMC monitoring device by using the UART interface comprises: transmitting a transmission instruction based on the UART interface to the BMC monitoring equipment; enabling the BMC monitoring equipment to respond to the transmission instruction and start a transmission mode; and sending the image file to the BMC monitoring equipment in the transmission mode.
8. A BMC monitoring device, comprising:
a second memory for storing a second computer program;
the second processor is used for executing the second computer program and receiving the image file sent by the BMC management device by utilizing the UART interface; updating firmware based on the image file; feeding back an updating progress to the BMC management equipment according to preset time until the updating is finished; wherein, the receiving the image file sent by the BMC management device by using the UART interface includes: receiving a transmission instruction based on the UART interface and sent by the BMC management equipment; responding to the transmission instruction, and starting a transmission mode; and receiving the image file sent by the BMC management equipment in the transmission mode.
9. A BMC firmware update system comprising the BMC management device of claim 7 and the BMC monitoring device of claim 8.
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|---|---|---|---|---|
| CN107153558A (en) * | 2017-05-17 | 2017-09-12 | 郑州云海信息技术有限公司 | A kind of principal and subordinate's BMC firmware upgrade methods based on SPI interface |
| CN107193594A (en) * | 2017-05-17 | 2017-09-22 | 郑州云海信息技术有限公司 | A kind of USB interface-based principal and subordinate BMC firmware upgrade methods |
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2018
- 2018-06-28 CN CN201810690647.XA patent/CN108848182B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153558A (en) * | 2017-05-17 | 2017-09-12 | 郑州云海信息技术有限公司 | A kind of principal and subordinate's BMC firmware upgrade methods based on SPI interface |
| CN107193594A (en) * | 2017-05-17 | 2017-09-22 | 郑州云海信息技术有限公司 | A kind of USB interface-based principal and subordinate BMC firmware upgrade methods |
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