TWI720468B - Firmware update method for pcie switch - Google Patents

Abstract

A firmware update method for PCIe Switch is implemented by a firmware update system, the firmware update system includes a BMC connected to a computer host via a communication network, and a PCIe Switch connected to the BMC, the PCIe Switch is connected to the UART of the BMC via its UART, the method contain: (A) the BMC, and after receiving a firmware update file from the computer host and related to the PCIe Switch, transmits the firmware update file to the PCIe Switch；(B) the PCIe Switch, and after receiving the firmware update file, generates and transmits a successful response reply to the BMC；(C) the BMC, and after receiving the successful response, generates and transmits an update command related to the firmware update file to the PCIe Switch；(D) PCIe Switch, and after receiving the update command, updating according to the firmware update file；(E) PCIe Switch, and after the firmware update file is updated, the firmware update file is restarted and executed.

Description

Firmware update method of peripheral element rapid interconnection switch

The present invention relates to a firmware update method, in particular to a firmware update method used for a peripheral element to quickly interconnect a switch.

Referring to Figure 1, the traditional Peripheral Component Interconnect Express Switch (PCIe Switch) firmware update method uses a computer 8 through a computer-side universal asynchronous transceiver interface 81 (UART , Universal Asynchronous Receiver/Transmitter) and a switching end of the peripheral component rapid interconnection switch 9 are physically connected to the universal asynchronous transceiver transmission interface 91 for firmware update.

However, this means that the traditional firmware update method must provide a physical connector on the peripheral component rapid interconnection switch 9, which is wired by the operator, and the peripheral component rapid interconnection switch 9 corresponds to the switch terminal. The physical connector of the asynchronous sending and receiving transmission interface 91 is connected to the host side universal asynchronous sending and receiving transmission interface 81 of the computer 8 on site (not through wireless transmission), and the peripheral components can be quickly connected through the computer 8 It is really inconvenient that the update can be performed only after the interconnection switch 9 is issued.

In view of this, how to provide a remote way to update the firmware of the peripheral component rapid interconnection switch 9 is the primary issue that this author intends to solve.

Therefore, the object of the present invention is to provide a firmware update method for the peripheral element rapid interconnection switch that can perform firmware update of the peripheral element rapid interconnection switch in a remote manner.

Therefore, the present invention provides a method for updating the firmware of a peripheral component fast interconnection switch, which is implemented by a firmware update system, which is connected to a computer host via a communication network, and includes a device via the communication network. The baseboard management unit connected to the computer mainframe, and a peripheral element quick interconnection switch connected to the baseboard management unit. The peripheral element rapid interconnection switch is connected to the baseboard management unit through its universal asynchronous transceiver transmission interface. Universal asynchronous transceiver transmission interface connection, the firmware update method of the peripheral component rapid interconnection switch includes one step (A), one step (B), one step (C), one step (D), and one step ( E).

The step (A) is to send the firmware update file to the peripheral device after receiving a firmware update file from the host computer and related to the peripheral device quick interconnect switch through the baseboard management unit Fast interconnect switch.

This step (B) is to quickly interconnect the switch by the peripheral components, and after receiving After the firmware update file, a successful reception response is generated and sent to the baseboard management unit.

In the step (C), the substrate management unit generates and transmits an update command related to the firmware update file to the peripheral component rapid interconnection switch after receiving the successful reply.

The step (D) is to quickly interconnect the switch by the peripheral component, and after receiving the update command, update according to the firmware update file.

The step (E) is to quickly interconnect the switch through the peripheral components, and after completing the update of the firmware update file, restart and execute the firmware update file.

The effect of the present invention is that the computer host transmits the firmware update file to the baseboard management unit in a remote manner, and then the baseboard management unit transmits the firmware update file to the peripheral components quickly. Connect the switch, so that the peripheral component can quickly interconnect the switch, and update according to the firmware update file, and the peripheral component can be easily connected to the switch via remote operation without field wiring. Firmware update.

8: Computer

81: General non-synchronous transceiver interface on computer

9: Peripheral components fast interconnection switch

91: Universal non-synchronous transmit and receive transmission interface at the switching end

200: Communication network

1: Computer host

11: Host communication module

12: Host storage module

13: Host-side processing module

14: Host-side universal asynchronous transceiver transmission interface

21: baseboard management unit

211: Board-side communication module

212: Universal non-synchronous transceiver transmission interface on the substrate side

213: Substrate end processing module

214: Substrate end processing module

22: Peripheral components fast interconnection switch

221: Universal Asynchronous Transceiver Interface for Switching End

222: Switching storage module

223: Switching end processing module

51~54: Steps

521~523: Sub-step

531~536: substeps

The other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a block diagram illustrating a system that executes the firmware update method of a traditional peripheral component rapid interconnection switch ； FIG. 2 is a block diagram illustrating a hardware architecture for implementing the firmware update method of the peripheral component rapid interconnection switch of the present invention; FIG. 3 is a flowchart illustrating the firmware of the peripheral component rapid interconnection switch of the present invention The process steps of the update method; FIG. 4 is a flowchart illustrating the detailed process of how the substrate management unit transmits a firmware update file, which is one of the firmware update methods of the peripheral component rapid interconnection switch of the present invention; and FIG. 5 is a schematic diagram , To describe the detailed process of how the peripheral component rapid interconnection switch confirms the completion of the firmware update file receiving, one of the firmware update methods of the peripheral component rapid interconnection switch of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

Referring to FIG. 2, one of the embodiments of the firmware update method for the peripheral component rapid interconnection switch of the present invention is connected to a firmware update system 2 of a computer host 1 via a communication network 200, and the firmware update system 2 includes a The substrate management unit 21 and a peripheral component are quickly interconnected with the switch 22.

The computer host 1 includes a host-side communication module 11 connected to the communication network 200, a host-side storage module 12, and a host-side electrically connected to the host-side communication module 11 and the host-side storage module 12 Processing module 13.

The host storage module 12 stores a firmware update file related to the peripheral component rapid interconnect switch.

The substrate management unit 21 includes a substrate-side communication module 211 connected to the communication network 200, a substrate-side universal asynchronous transceiver transmission interface 212, a substrate-side storage module 213, and a substrate-side communication module electrically connected to the substrate 211. The substrate-side universal asynchronous transceiver transmission interface 212 and the substrate-side processing module 214 of the substrate-side storage module 213.

The peripheral element rapid interconnection switch 22 includes a universal asynchronous transceiving transmission interface 221 for the switching end, a storage module 222 for the switching end, and a universal asynchronous transceiving transmission interface 221 electrically connected to the switching end and the storage module for the switching end 222 switching end processing module 223.

In this embodiment, the implementation aspect of the computer host 1 is, for example, a personal computer, a server, or a cloud host, but it is not limited to this.

In this embodiment, the implementation of the baseboard management unit 21 is, for example, Baseboard Management Controller, or BMC for short.

In this embodiment, the implementation of the peripheral component rapid interconnection switch 22 is, for example, Peripheral Component Interconnect Express Switch, or PCIe Switch for short, but it is not limited to this.

In this embodiment, the implementation aspects of the universal asynchronous transceiving transmission interface 212 on the substrate side and the universal asynchronous transceiving transmission interface 221 on the switching side are, for example, Universal Asynchronous Receiver/Transmitter, referred to as UART, can communicate through an asynchronous file transfer protocol such as Xmodem Protocol, but it is not limited to this.

Referring to FIG. 3, the following describes the baseboard management unit 21 included in the computer host 1 and the firmware update system 2 and the peripheral device by using the embodiment of the firmware update method of the peripheral component rapid interconnection switch of the present invention The operation details of the components of the fast interconnect switch 22. The firmware update method of the fast interconnect switch for peripheral components of the present invention includes a step 51, a step 52, a step 53, and a step 54.

In the step 51, the computer host 1 transmits the firmware update file stored in the host-side storage module 12 and related to the peripheral component rapid interconnect switch to the baseboard management unit 21.

In step 52, after receiving the firmware update file from the computer host 1, the baseboard management unit 21 stores the firmware update file in the base-side storage module 213, and stores the firmware update file It is transmitted to the peripheral device rapid interconnection switch 22 via the asynchronous file transfer protocol. It is worth noting that in this embodiment, the baseboard management unit 21 detects whether the corresponding management network communication port (PORT) of the baseboard management unit 21 has received the communication port (PORT) from the computer host 1 through Restful Api Service. Update request, and after detecting that the corresponding management network port has received the update request, it generates and sends an information request related to the firmware update file to the host computer 1, so that the host computer 1 is After receiving the information request, the stored The firmware update file is sent to the baseboard management unit 21.

Referring to FIG. 4, it is worth noting that the procedure of transmitting the firmware update file to the peripheral component rapid interconnection switch 22 further includes a sub-step 521, a sub-step 522, and a sub-step 523.

In the sub-step 521, after receiving the firmware update file, the baseboard management unit 21 generates and transmits a firmware update file transfer request to the peripheral component rapid interconnection switch 22.

In the sub-step 522, after receiving the firmware update file transfer request, the peripheral component rapid interconnect switch 22 activates the asynchronous file transfer protocol, and waits for the firmware update file sent by the baseboard management unit 21 .

In the sub-step 523, the baseboard management unit 21 transmits the firmware update file to the peripheral device rapid interconnection switch 22 via the asynchronous file transfer protocol.

In the step 53, the peripheral component rapid interconnection switch 22 receives the firmware update file from the baseboard management unit 21, and then updates it according to the firmware update file.

Referring to FIG. 5, it is worth noting that the procedure for updating according to the firmware update file further includes a sub-step 531, a sub-step 532, a sub-step 533, a sub-step 534, a sub-step 535, and a sub-step. Step 536.

In the sub-step 531, the peripheral component rapid interconnection switch 22 receives the firmware update file from the computer host 1 via the asynchronous file transfer protocol. Then, it is determined whether the firmware update file is damaged during the transfer process. When the peripheral component rapid interconnection switch 22 determines that the firmware update file is not damaged during the transfer process, the process proceeds to sub-step 532; when the peripheral component rapid interconnection switch 22 determines that the firmware update file is in the transfer process When it is damaged, the process proceeds to sub-step 535. It is worth noting that, in this embodiment, the peripheral component rapid interconnection switch 22 uses cyclic redundancy check (Cyclic Redundancy Check, CRC) and/or checksum method (Checksum) to determine the firmware Whether the update file was damaged during transmission.

In the sub-step 532, the peripheral component rapid interconnection switch 22 stores the firmware update file in the switch storage module 222, generates a received success response, and transmits the received success response via the asynchronous file The agreement is sent to the baseboard management unit 21.

In the sub-step 533, the substrate management unit 21, after receiving the successful response response via the asynchronous file transfer protocol, generates an update command related to the firmware update file, and transmits the update command via the asynchronous file The protocol is transmitted to the peripheral component rapid interconnection switch 22.

In the sub-step 534, after the peripheral component rapid interconnection switch 22 receives the update command from the baseboard management unit 21 via the asynchronous file transfer protocol, it is stored in the switch terminal according to the storage in the sub-step 534. The firmware update file of the module 222 is updated.

In this sub-step 535, the peripheral component rapid interconnection switch 22 generates A receiving failure response, and sending the receiving failure response to the baseboard management unit 21 via the asynchronous file transfer protocol.

In the sub-step 536, the substrate management unit 21 returns to the process step 52 after receiving the reception failure response via the asynchronous file transfer protocol.

In the step 54, the peripheral component rapid interconnection switch 22 restarts and executes the firmware update file after completing the update of the firmware update file.

In summary, the method for updating the firmware of a peripheral component rapid interconnection switch of the present invention uses the host computer 1 to remotely send the firmware update file to the baseboard management unit via the wireless network 200 21. Then, the baseboard management unit 21 transmits the firmware update file to the peripheral component rapid interconnection switch 22 via the asynchronous file transfer protocol, and then the peripheral component rapid interconnection switch 22 utilizes cyclic redundancy correction After verifying and/or checking the sum method to confirm that the firmware update file is complete and correct, perform the update according to the firmware update file and restart the computer. This can be easily completed via remote operation without on-site wiring. The peripheral components are quickly interconnected and the firmware of the switch 22 is updated. Therefore, it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope of the patent of the present invention.

51~54··· Step

Claims (6)

A firmware update method for a peripheral component rapid interconnection switch is implemented by a firmware update system. The firmware update system includes a substrate management unit connected to a computer host via a communication network, and a substrate connected to the substrate The peripheral element fast interconnection switch of the management unit, the peripheral element fast interconnection switch is connected to the general asynchronous transceiver transmission interface of the baseboard management unit through its universal asynchronous transceiver transmission interface, and the peripheral element fast interconnection switch The firmware update method of the device includes the following steps: (A) After receiving a firmware update file from the host computer and related to the peripheral component rapid interconnection switch, the baseboard management unit uses the following steps: The update file is sent to the peripheral component rapid interconnection switch; (B) through the peripheral component rapid interconnection switch, after receiving the firmware update file, it generates and sends a successful reception response to the baseboard management unit; (C) Through the board management unit, after receiving the successful reply, it generates and sends an update command related to the firmware update file to the peripheral component fast interconnect switch; (D) through the peripheral The device fast interconnection switch, after receiving the update command, updates according to the firmware update file; and (E) through the peripheral component fast interconnection switch, after completing the firmware update file update, Restart and execute the firmware update file. The firmware update method of the peripheral component rapid interconnection switch according to claim 1, wherein the step (B) includes the following steps: (B-1) The peripheral component rapid interconnection switch is used to receive the After the firmware update file, determine whether the firmware update file is damaged during the transfer process; and (B-2) When the peripheral component quick interconnect switch determines that the firmware update file was not affected during the transfer process When damaged, the peripheral component rapid interconnection switch generates and transmits the received success response to the baseboard management unit. The firmware update method of the peripheral component rapid interconnection switch according to claim 2, wherein, in the step (A), the baseboard management unit receives a message from the computer host and instructs the peripheral component to quickly interact After connecting the update request that the switch needs to update, generate and send an information request related to the firmware update file to the host computer, so that the host computer sends the firmware update file to the baseboard management unit. The firmware update method of the peripheral component rapid interconnection switch according to claim 3, wherein, in the step (A), the baseboard management unit detects whether the corresponding management network communication port in the baseboard management unit receives Upon receiving the update request from the host computer and detecting that the corresponding management network port has received the update request, the information request is generated and sent to the host computer so that the host computer can send the firmware Update the file to the baseboard management unit. The method for updating the firmware of a peripheral component rapid interconnection switch according to claim 2, wherein, in this step (B-1), the peripheral component rapid interconnection switch uses a cyclic redundancy check method and inspection The sum method is used to determine whether the firmware update file is damaged during the transfer process. The method for updating the firmware of a peripheral component rapid interconnection switch according to claim 1, wherein the step (A) includes the following sub-steps: (A-1) After receiving the firmware by the baseboard management unit After the update file, a firmware update file transfer request is sent to the peripheral component rapid interconnection switch, so that the peripheral component rapid interconnection switch activates an asynchronous file transfer protocol; and (A-2) through the board The management unit transmits the firmware update file to the peripheral component rapid interconnection switch using the asynchronous file transfer protocol.

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