CN109684153B - Server with double firmware storage spaces and firmware updating method thereof - Google Patents
Server with double firmware storage spaces and firmware updating method thereof Download PDFInfo
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- CN109684153B CN109684153B CN201710979335.6A CN201710979335A CN109684153B CN 109684153 B CN109684153 B CN 109684153B CN 201710979335 A CN201710979335 A CN 201710979335A CN 109684153 B CN109684153 B CN 109684153B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
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Abstract
The invention provides a server with double firmware storage spaces and a firmware updating method thereof, wherein the method comprises the following steps: when the selection circuit is electrically connected with the control module in the first storage circuit, the control module of the baseboard management controller obtains a first firmware program stored in the first storage circuit through the selection circuit and executes the first firmware program; when the selection circuit is electrically connected with the updating module in the second storage circuit, the updating module of the baseboard management controller stores a second firmware program in the second storage circuit through the selection circuit according to the firmware updating instruction; the baseboard management controller resets after the second firmware program is stored in the second storage circuit; and after resetting, the control module is electrically connected with the second storage circuit through the selection circuit so as to obtain a second firmware program stored in the second storage circuit and execute the second firmware program.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a server with double firmware storage spaces and a firmware updating method thereof.
[ background of the invention ]
Most servers include a Baseboard Management Controller (BMC), which can execute firmware to monitor and control all hardware units in the server. For example, the server includes a fan unit, and the bmc can monitor the system temperature and control the speed of the fan according to the system temperature, and when the temperature is higher, the bmc controls the fan to have a higher rotation speed, and when the temperature is lower, the bmc controls the fan to have a lower rotation speed. The baseboard management controller has a foot color that is important for the server.
However, the aforesaid firmware may have an update requirement after the server leaves the factory, and the bmc cannot monitor other units of the server simultaneously during the firmware update process, that is, the bmc must suspend the monitoring operation while updating the firmware, and the firmware update operation is time-consuming, and the bmc cannot monitor other elements for a long period of time, which may cause the server to be damaged during the firmware update process.
In view of this, the present invention provides a server with dual firmware storage spaces and a firmware updating method thereof.
[ summary of the invention ]
The technical problem to be solved by the present invention is to provide a server with dual firmware storage spaces and a firmware updating method thereof.
To solve the above technical problem, in an embodiment, a server with dual firmware storage spaces includes a first storage circuit, a second storage circuit, a selection circuit, and a baseboard management controller. The baseboard management controller comprises a control module and an updating module. The first storage circuit includes a first firmware program. The selection circuit is coupled to the first storage circuit and the second storage circuit. The control module obtains a first firmware program from the first storage circuit through the selection circuit when the selection circuit is electrically connected with the control module in the first storage circuit, and executes the first firmware program. The updating module stores a second firmware program in the second storage circuit through the selection circuit according to a firmware updating instruction when the selection circuit is electrically connected with the updating module in the second storage circuit. The substrate management controller resets after the second firmware program is stored in the second storage circuit, the selection circuit is electrically connected with the control module in the second storage circuit and is electrically connected with the updating module in the first storage circuit after the substrate management controller resets, and the control module obtains the second firmware program from the second storage circuit through the selection circuit and executes the second firmware program.
Preferably, the control module controls the selection circuit to electrically connect the control module to the first storage circuit and to electrically connect the update module to the second storage circuit according to a preset first value of a flag after the baseboard management controller is powered on; after the BMC is reset, the control module controls the selection circuit to electrically connect the control module to the second storage circuit and electrically connect the update module to the first storage circuit according to a second value of the flag.
Preferably, the selection circuit includes a first multiplexer and a second multiplexer, and the control module controls the first multiplexer to electrically connect the control module to the first storage circuit and controls the second multiplexer to electrically connect the update module to the second storage circuit according to a preset first value of a flag after the bmc is powered on; after the bmc is reset, the control module controls the second multiplexer to electrically connect the control module to the second storage circuit and controls the first multiplexer to electrically connect the refresh module to the first storage circuit according to a second value of the flag.
Preferably, the control module sets the flag to have a second value according to the firmware update instruction before the bmc is reset.
Preferably, the server further comprises a platform path controller coupled to the bmc, wherein the platform path controller is not reset when the bmc is reset.
Preferably, when the control module executes the second firmware program, the update module stores a third firmware program in the first storage circuit according to another firmware update instruction, and the third firmware program covers the first firmware program.
In one embodiment, a firmware update method includes: a control module of a baseboard management controller obtains a first firmware program stored in a first storage circuit through a selection circuit and executes the first firmware program when the selection circuit is electrically connected with the control module in the first storage circuit; when the selection circuit is electrically connected with the updating module in a second storage circuit, an updating module of the baseboard management controller stores a second firmware program in the second storage circuit through the selection circuit according to a firmware updating instruction; the baseboard management controller resets after the second firmware program is stored in the second storage circuit; and after the baseboard management controller is reset, the control module is electrically connected with the second storage circuit through the selection circuit so as to obtain a second firmware program stored in the second storage circuit and execute the second firmware program.
Preferably, the firmware updating method further comprises: the control module controls the selection circuit to be electrically connected with the control module in a first storage circuit and to be electrically connected with the updating module in a second storage circuit after the baseboard management controller is powered on according to a preset first value of a flag; and the control module controls the selection circuit to be electrically connected with the control module in the second storage circuit and to be electrically connected with the updating module in the first storage circuit according to a second value of the flag after the baseboard management controller is reset.
Preferably, the firmware updating method further comprises: the control module controls a first multiplexer of the selection circuit to be electrically connected with the control module in a first storage circuit and controls a second multiplexer of the selection circuit to be electrically connected with the updating module in a second storage circuit after the substrate management controller is powered on according to a preset first value of a flag; and the control module controls the second multiplexer of the selection circuit to be electrically connected with the control module in the second storage circuit and controls the first multiplexer of the selection circuit to be electrically connected with the updating module in the first storage circuit according to a second value of the flag after the baseboard management controller is reset.
Preferably, before the step of resetting the bmc, the firmware updating method further includes: the control module sets the flag to have a second value according to the firmware update instruction.
Preferably, in the step of resetting the bmc, a platform path controller coupled to the bmc is not reset when the bmc is reset.
Preferably, the firmware updating method further comprises: when the control module executes the second firmware program, the updating module is electrically connected to the first storage circuit through the selection circuit, and the updating module stores a third firmware program in the first storage circuit through the selection circuit according to another firmware updating instruction, wherein the third firmware program covers the first firmware program.
Compared with the prior art, the server with double firmware storage spaces and the firmware updating method thereof have the advantages that the monitoring operation performed by the baseboard management controller is independent from the storage operation of each firmware program, the monitoring operation does not need to be suspended in the process of writing each firmware program into the corresponding storage circuit by the baseboard management controller, and therefore the risk of damage of the server during firmware updating can be reduced. Furthermore, the updated firmware program and the non-updated firmware program are respectively stored in the two storage circuits, and when the updated firmware program is damaged, the baseboard management controller can also execute the non-updated firmware program to have a backup function.
[ description of the drawings ]
FIG. 1 is a flowchart illustrating a firmware update method according to an embodiment of the present invention.
FIG. 2 is a circuit diagram of a server with dual firmware storage spaces according to an embodiment of the present invention.
FIG. 3 is a circuit diagram of the selection circuit of FIG. 2 in a first mode according to an embodiment.
FIG. 4 is a circuit diagram of the selection circuit of FIG. 2 in a second mode according to an embodiment.
[ detailed description ] embodiments
Please refer to fig. 1, which is a flowchart illustrating a firmware update method according to an embodiment of the present invention. FIG. 2 is a circuit diagram of a server with dual firmware storage spaces according to the present invention. Fig. 3 is a circuit diagram of an embodiment of the selection circuit 13 of fig. 2 operating in the first mode. Fig. 4 is a circuit diagram of an embodiment of the selection circuit 13 of fig. 2 operating in the second mode. Referring to fig. 1 to 4, the server includes a baseboard management controller 10, a first storage circuit 11, a second storage circuit 12, and a selection circuit 13. Both storage circuits 11, 12 may be flash memories (flash). The bmc 10 includes a control module 101 and an update module 102. The selection circuit 13 is coupled between the bmc 10 and the first storage circuit 11, and is coupled between the bmc 10 and the second storage circuit 12.
The selection circuit 13 has a first mode and a second mode, the control module 101 determines that a flag has a first value or a second value after the bmc 10 is powered on (step S01), and the control module 101 controls the mode of the selection circuit 13 according to the first value and the second value of the flag (step S02). In detail, when the flag has a first value, for example, "1", the control module 101 controls the selection circuit 13 to have a first mode (step S021), and as shown in fig. 3, the selection circuit 13 having the first mode is electrically connected to the control module 101 and the first storage circuit 11 and is electrically connected to the update module 102 and the second storage circuit 12. When the flag has the second value, for example, "0", the control module 101 controls the selection circuit 13 to have the second mode (step S022), referring to fig. 4, the selection circuit 13 having the second mode is electrically connected to the control module 101 and the second storage circuit 12 and is electrically connected to the update module 102 and the first storage circuit 11.
Thus, the flag can be preset to have a first value, when the flag has the first value, the selection circuit 13 has a first mode according to the first value of the flag, as shown in fig. 3, the control module 101 is electrically connected to the first storage circuit 11 through the selection circuit 13, the first storage circuit 11 stores a firmware program (hereinafter referred to as a first firmware program for convenience of description), the control module 101 obtains the first firmware program from the first storage circuit 11 (step S031), the control module 101 executes the first firmware program to initialize hardware and load a kernel of an operating system, and the control module 101 can monitor each hardware element of the server through an Intelligent Platform Management Interface (IPMI).
Further, when the control module 101 executes the first firmware program, a user of the server may transmit a firmware update request, when the bmc 10 receives an instruction of the firmware update request (i.e., a firmware update instruction), the control module 101 executes a firmware storage operation of the firmware update, the control module 101 controls the update module 102 to load an updated firmware program (hereinafter, referred to as a second firmware program for convenience of description), and the update module 102 sends the second firmware program to the second storage circuit 12 through the selection circuit 13, so that the second firmware program is stored in the second storage circuit 12 (step S041) to complete the firmware storage operation. Also, the control module 101 sets the flag to have the second value after the bmc 10 receives the firmware update command (step S051), so that the flag changes from having the first value to having the second value. The bmc 10 resets the control module 101 after the flag is set and the second firmware program is stored in the second storage circuit 12 (step S06).
The control module 101 re-executes step S01 after the bmc 10 is reset to determine whether the flag has the first value. Since the control module 101 sets the flag to have the second value before the reset, the control module 101 determines that the flag does not have the first value but has the second value (no) when executing step S01, so the control module 101 controls the selection circuit 13 to have the second mode (step S022), referring to fig. 4, the control module 101 is electrically connected to the second storage circuit 12 according to the selection circuit 13 having the second mode, the control module 101 reads the second storage circuit 12, the control module 101 obtains the updated second firmware program from the second storage circuit 12 (step S032), and the control module 101 executes the updated second firmware program to monitor each hardware component of the server in the operating system.
Similarly, when the control module 101 executes the second firmware program, if the user of the server transmits another firmware update request, when the baseboard management controller 10 receives the instruction of the firmware update request, the control module 101 executes another firmware storage operation of the firmware update again, the control module 101 controls the update module 102 to load the updated another firmware program (hereinafter referred to as a third firmware program for convenience of description), and the update module 102 sends the third firmware program to the first storage circuit 11 through the selection circuit 13, so that the third firmware program is stored in the first storage circuit 11 (step S042) to override the older first firmware program in the first storage circuit 11, thereby completing the another firmware storage operation. Also, the control module 101 sets the flag to have the first value after the bmc 10 receives the firmware update command (step S052), so that the flag changes from having the second value to having the first value. The bmc 10 resets the control module 101 after the flag is set and the third firmware program is stored in the first storage circuit 11 (step S06), and the control module 101 starts to execute again from step S01 after the reset, which is not described herein again.
Therefore, in the process that the update module 102 stores the second firmware program in the second storage circuit 12, the control module 101 may continue to execute the first firmware program without being affected, and in the process that the update module 102 stores the third firmware program in the first storage circuit 11, the control module 101 may also continue to execute the second firmware program without being affected, that is, the relationship between the monitoring operation performed by the substrate management controller 10 and the firmware storage operation for firmware update is independent, and the substrate management controller 10 does not need to suspend the monitoring operation in the process that the firmware program is stored in any one of the storage circuits 11 and 12, for example, the substrate management controller 10 may also monitor the system temperature and control the rotation speed of the fan accordingly when the firmware storage operation is performed, thereby reducing the risk of damage of the server when the firmware is updated. Furthermore, the updated and non-updated firmware programs are stored in the two storage circuits 11, 12 respectively, when the updated firmware program is damaged, the baseboard management controller 10 can also execute the non-updated firmware program to have a backup function, and the baseboard management controller 10 can execute the non-updated firmware program to reload the firmware program to be updated to repair the damaged firmware program.
In one embodiment, in step S041 and step S042, when the firmware storing operation of the firmware update performed by the bmc 10 is completed (i.e., the storing operation of the second firmware program in the second storage circuit 12 is completed, or the storing operation of the third firmware program in the first storage circuit 11 is completed), the update module 102 may send a firmware update completion signal, the control module 101 may determine whether the firmware update operation is completed according to whether the firmware update completion signal is received, and when the control module 101 receives the firmware update completion signal, the control module 101 starts to reset (step S06).
In addition, the control module 101 may first determine whether the flag has the first value in step S01, and when the flag does not have the first value, the control module 101 further determines whether the flag has the second value to determine whether the flag has the first value or the second value. Furthermore, when the control module 101 determines that the flag does not have the first value and the second value, the control module 101 may generate an error message.
In one embodiment, the server further includes an Electrically Erasable Programmable Read Only Memory (EEPROM) (hereinafter, abbreviated as the rom 14), the rom 14 may store the flag, and the control module 101 reads the rom 14 to determine that the flag has the first value or the second value when step S01 is executed after the bmc 10 is powered on; when the bmc 10 receives the firmware update command, the control module 101 writes the rom 14 to modify the flag value in the rom 14 in steps S051 and S052. Furthermore, the server may further include another storage circuit 15 (hereinafter referred to as a third storage circuit 15) coupled to the update module 102, for example, when the user transmits the firmware update request when the control module 101 executes the first firmware program, after the firmware update request is received by the bmc 10, the third storage circuit 15 stores the second firmware program, and the update module 102 may load the second firmware program from the third storage circuit 15 when executing step S041. Specifically, the User may directly transmit the updated second firmware program to the bmc 10 through a software tool of the server before transmitting the firmware update request, or transmit the updated second firmware program to the bmc 10 through a remote User Interface (UI) through a network, where the bmc 10 stores the second firmware program in the third storage circuit 15. When the user transmits the firmware update request, the update module 102 of the bmc 10 loads the second firmware program from the third storage circuit 15 to execute step S041.
Furthermore, the server further includes a platform path controller 16 coupled to the bmc 10, when the bmc 10 is reset, the platform path controller 16 is not reset, that is, the platform path controller 16 and other components of the server controlled by the platform path controller 16 are not affected by the reset of the bmc 10, the platform path controller 16 and the other components can continue to run their function instruction sets, such as network connection function, audio playback function, Universal Serial Bus (USB) transmission function, and the like, only the bmc 10 resets alone without affecting the operation of the server. Therefore, during the reset of the bmc 10 and after the bmc 10 is reset, the server can still normally receive the operation command of the user and normally perform the action related to the operation command without resetting the platform path controller 16.
In one embodiment, the selection circuit 13 may include a multiplexer or a switch. Taking the selecting circuit 13 comprising multiplexers as an example, referring to fig. 2 to 4, the selecting circuit 13 may comprise a first multiplexer 131 and a second multiplexer 132, and the bmc 10 comprises two General-purpose input/output (GPIO) pins 103 and 104 coupled to the first multiplexer 131 and the second multiplexer 132, respectively. Accordingly, in step S021, the bmc 10 outputs a first control signal S1 to the first multiplexer 131 through the GPIO pin 103 to control the first multiplexer 131 to electrically connect the control module 101 to the first storage circuit 11, and outputs a second control signal S2 to the second multiplexer 132 through the GPIO pin 104 to control the second multiplexer 132 to electrically connect the update module 102 to the second storage circuit 12, so that the selection circuit 13 has the first mode. In step S022, the bmc 10 outputs the inverted first control signal S1 through the GPIO pin 103 to control the first multiplexer 131 to electrically connect the refresh module 102 to the first storage circuit 11, and outputs the inverted second control signal S2 through the GPIO pin 104 to control the second multiplexer 132 to electrically connect the control module 101 to the second storage circuit 12, so that the selection circuit 13 has the second mode.
In summary, according to the server with dual firmware storage spaces and the firmware updating method thereof of the present invention, the relationship between the monitoring operation performed by the baseboard management controller and the storage operation of each firmware program is independent, and the baseboard management controller does not need to suspend the monitoring operation during writing each firmware program into the corresponding storage circuit, so as to reduce the risk of damage to the server during firmware update. Furthermore, the updated firmware program and the non-updated firmware program are respectively stored in the two storage circuits, when the updated firmware program is damaged, the baseboard management controller can also execute the non-updated firmware program to have a backup function.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A server with dual firmware storage space, comprising:
a first storage circuit including a first firmware program;
a second storage circuit;
a selection circuit coupled to the first storage circuit and the second storage circuit;
a baseboard management controller, comprising:
a control module, which obtains the first firmware program from the first storage circuit via the selection circuit when the selection circuit is electrically connected with the control module in the first storage circuit, and executes the first firmware program;
an updating module, when the selection circuit is electrically connected with the updating module in the second storage circuit, a second firmware program is stored in the second storage circuit through the selection circuit according to a firmware updating instruction, and the control module continues to execute the first firmware program in the process of storing the second firmware program in the updating module;
the substrate management controller resets after the second firmware program is stored in the second storage circuit, the selection circuit is electrically connected with the control module in the second storage circuit and electrically connected with the update module in the first storage circuit after the substrate management controller resets, and the control module obtains the second firmware program from the second storage circuit through the selection circuit and executes the second firmware program.
2. The server with dual firmware storage space according to claim 1, wherein: the control module controls the selection circuit to be electrically connected with the control module to the first storage circuit and to be electrically connected with the updating module to the second storage circuit according to a preset first value of a flag after the baseboard management controller is powered on; after the bmc is reset, the control module controls the selection circuit to electrically connect the control module to the second storage circuit and to electrically connect the update module to the first storage circuit according to a second value of the flag.
3. The server with dual firmware storage space according to claim 1, wherein: the selection circuit comprises a first multiplexer and a second multiplexer, and the control module controls the first multiplexer to be electrically connected with the control module to the first storage circuit and controls the second multiplexer to be electrically connected with the update module to the second storage circuit according to a preset first value of a flag after the baseboard management controller is powered on; after the bmc is reset, the control module controls the second multiplexer to electrically connect the control module to the second storage circuit and controls the first multiplexer to electrically connect the update module to the first storage circuit according to a second value of the flag.
4. The server with dual firmware storage space according to claim 2 or 3, wherein: the control module sets the flag to have the second value according to the firmware update instruction before the bmc is reset.
5. The server with dual firmware storage space according to claim 1, wherein: a platform path controller is coupled to the baseboard management controller, and when the baseboard management controller is reset, the platform path controller is not reset.
6. The server with dual firmware storage space according to claim 1, wherein: when the control module executes the second firmware program, the updating module stores a third firmware program in the first storage circuit according to another firmware updating instruction, and the third firmware program covers the first firmware program.
7. A firmware updating method is suitable for a server, and is characterized in that: the firmware updating method comprises the following steps:
a control module of a baseboard management controller obtains a first firmware program stored in a first storage circuit through a selection circuit when the control module is electrically connected with the first storage circuit through the selection circuit and executes the first firmware program;
when the selection circuit is electrically connected with the updating module in a second storage circuit, an updating module of the baseboard management controller stores a second firmware program in the second storage circuit through the selection circuit according to a firmware updating instruction, and the control module continues to execute the first firmware program in the process of storing the second firmware program by the updating module;
the baseboard management controller resets after the second firmware program is stored in the second storage circuit;
after the bmc is reset, the control module is electrically connected to the second storage circuit through the selection circuit to obtain the second firmware program stored in the second storage circuit and execute the second firmware program.
8. The firmware update method according to claim 7, wherein:
the control module controls the selection circuit to be electrically connected with the control module to the first storage circuit and to be electrically connected with the updating module to the second storage circuit after the baseboard management controller is powered on according to a preset first value of a flag;
the control module controls the selection circuit to be electrically connected with the control module to the second storage circuit and to be electrically connected with the update module to the first storage circuit according to a second value of the flag after the baseboard management controller is reset.
9. The firmware update method according to claim 7, wherein:
the control module controls a first multiplexer of the selection circuit to be electrically connected with the control module in the first storage circuit and controls a second multiplexer of the selection circuit to be electrically connected with the update module in the second storage circuit after the baseboard management controller is powered on according to a preset first value of a flag;
the control module controls the second multiplexer of the selection circuit to be electrically connected with the control module in the second storage circuit and controls the first multiplexer of the selection circuit to be electrically connected with the updating module in the first storage circuit according to a second value of the flag after the baseboard management controller is reset.
10. The firmware update method according to claim 8 or 9, wherein: before the baseboard management controller is reset, the control module sets the flag to have the second value according to the firmware updating instruction.
11. The firmware update method of claim 7, wherein: in the step of resetting the baseboard management controller, a platform path controller coupled to the baseboard management controller is not reset when the baseboard management controller is reset.
12. The firmware update method according to claim 7, wherein: when the control module executes the second firmware program, the updating module is electrically connected to the first storage circuit through the selection circuit, and stores a third firmware program in the first storage circuit through the selection circuit according to another firmware updating instruction, wherein the third firmware program covers the first firmware program.
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| CN113687842B (en) * | 2020-05-18 | 2023-07-18 | 佛山市顺德区顺达电脑厂有限公司 | Server and main board module without power off for updating firmware |
| CN113703816B (en) * | 2020-05-19 | 2023-06-06 | 佛山市顺德区顺达电脑厂有限公司 | Server device and method for avoiding firmware from being unable to be updated again |
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| CN104516751A (en) * | 2013-09-29 | 2015-04-15 | 英业达科技有限公司 | Server system |
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| CN106775589A (en) * | 2016-12-14 | 2017-05-31 | 郑州云海信息技术有限公司 | Update method, the apparatus and system of the firmware of expander chips |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8762696B2 (en) * | 2011-08-29 | 2014-06-24 | American Megatrends, Inc. | Firmware with a plurality of emulated instances of platform-specific management firmware |
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| CN104346188A (en) * | 2013-08-07 | 2015-02-11 | 英业达科技有限公司 | Updating method of substrate management controller and updating system of substrate management controller |
| CN104516751A (en) * | 2013-09-29 | 2015-04-15 | 英业达科技有限公司 | Server system |
| CN105843336A (en) * | 2015-01-14 | 2016-08-10 | 营邦企业股份有限公司 | Rack with a plurality of rack management modules and method for updating firmware thereof |
| CN105988844A (en) * | 2015-03-02 | 2016-10-05 | 营邦企业股份有限公司 | Control module of endpoint server and firmware update method thereof |
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