Hardware circuit capable of automatically switching NCSI signal, application method and terminal

Abstract

The invention relates to a hardware circuit capable of automatically switching NCSI signals, an application method and a terminal, and the hardware circuit comprises a BMC unit and a network card unit, and also comprises a change-over switch chip, an NCSI external interface and a hardware logic circuit. In addition, an NCSI external interface is added, an NCSI signal is switched between the network card and the NCSI external interface by using a change-over switch chip and a hardware logic circuit, the NCSI signal is interconnected with the network card by default, and when the external NCSI interface is accessed by equipment, the NCSI signal is automatically switched to the interface, so that the NCSI signal is automatically switched to the NCSI external interface. The external host system can communicate with the BMC through the external interface so as to supervise and control the mainboard hardware system; the hardware circuit design does not need the participation of other controllers, the switching of NCSI signals can be automatically carried out through the built logic circuit and the Switch IC, one NCSI channel is connected to two external interfaces, and the use scene of the NCSI is expanded.

Description

Technical Field

[0001] The present invention relates to the field of server product network technology, and more particularly to a hardware circuit, application method, and terminal capable of automatically switching NCSI signals. Background Art

[0002] In current server product networks, the NCSI embedded in the network controller plays a key role. It mainly establishes a communication channel between the host system and the network controller to implement functions such as configuration, status monitoring, and firmware updates of the hardware system where the network controller is located. Its goal is to provide efficient and reliable management and monitoring methods, simplify the management process of network equipment, and improve system stability and performance.

[0003] Generally, the onboard BMC plays the role of supervising the status of the motherboard, and its internal NCSI controller can communicate with the external host system through an external network controller, so that the host system can supervise the motherboard system. The traditional NCSI design is that the NCSI controller of the BMC is interconnected with the NCSI channel of the network card, and then communicates with the outside world through the physical network port (LAN1) of the network card. Therefore, when the physical network port is used as the NCSI function, it cannot be used as a network interface. The motherboard will lose an available network interface, which greatly reduces the data flow that can be exchanged between the motherboard system and the outside world, and reduces the performance and work efficiency of the system. There is a need for a hardware circuit, application method and terminal that can automatically switch NCSI signals to improve this defect. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a hardware circuit that can automatically switch the NCSI signal in response to the above-mentioned defects of the prior art, and also provide an application method of the hardware circuit that can automatically switch the NCSI signal and a terminal that can automatically switch the NCSI signal.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] Construct a hardware circuit that can automatically switch NCSI signals, including a BMC unit and a network card unit, which also includes a switch chip, an NCSI external interface and a hardware logic circuit;

[0007] The switch chip is communicatively connected to the BMC unit, the network card unit, the NCSI external interface and the hardware logic circuit;

[0008] In the initial state, NCSI signal communication is established between the BMC unit, the switch chip and the network card unit;

[0009] The NCSI external interface is used to connect to an external device, identify the external device when it is connected, and generate an identification signal to send to the hardware logic circuit;

[0010] The hardware logic circuit analyzes the identification signal, generates a control switching signal according to a setting, and sends it to the switching chip;

[0011] After receiving the control switching signal, the switching switch chip switches to establish communication with the NCSI external interface to establish the NCSI signal.

[0012] The hardware circuit capable of automatically switching NCSI signals according to the present invention, wherein the network card unit includes a LAN1 interface;

[0013] The external device is connected to the NCSI external interface and is also connected to the LAN1 interface. The external device interacts with the network card unit through the LAN1 interface, and interacts with the BMC unit through the NCSI external interface and the switching switch chip.

[0014] The hardware circuit capable of automatically switching the NCSI signal of the present invention, wherein the CLK signal frequency of the NCSI is 50Mhz;

[0015] The maximum switching frequency of the switching switch chip is not less than 50Mhz.

[0016] The hardware circuit capable of automatically switching NCSI signals of the present invention, wherein the model of the network card unit is X550-T2.

[0017] The hardware circuit capable of automatically switching NCSI signals described in the present invention, wherein the model of the switching switch chip is SN74CBTLV3257PWR.

[0018] A method for applying a hardware circuit capable of automatically switching NCSI signals is applied to the hardware circuit capable of automatically switching NCSI signals as described above, wherein the method comprises the steps of:

[0019] In the initial state, NCSI signal communication is established between the BMC unit, the switch chip, and the network card unit;

[0020] When an external device is connected to the NCSI external interface, the external device is identified and an identification signal is generated and sent to the hardware logic circuit;

[0021] The hardware logic circuit analyzes the identification signal and generates a control switching signal according to the setting and sends it to the switch chip;

[0022] After receiving the control switching signal, the switch chip switches to establish NCSI signal communication with the NCSI external interface.

[0023] A terminal capable of automatically switching NCSI signals, wherein the terminal is provided with a hardware circuit capable of automatically switching NCSI signals as described above.

[0024] The beneficial effects of the present invention are: an additional NCSI external interface is added, and a switching switch chip and a hardware logic circuit are used to switch the NCSI signal between the network card and the NCSI external interface. The NCSI signal is interconnected with the network card by default, and when the external NCSI interface is connected to the device, the NCSI signal is automatically switched to the interface. The external host system can communicate with the BMC through the external interface and thus supervise and control the motherboard hardware system. The hardware circuit design does not require the participation of other controllers. The NCSI signal can be automatically switched by the constructed logic circuit and Switch IC, and an NCSI channel is connected to two external interfaces (LAN1 and NCSI CONN), which expands the usage scenarios of NCSI. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive efforts.

[0026] Figure 1 This is a block diagram of the hardware circuit that can automatically switch NCSI signals in a preferred embodiment of the present invention;

[0027] Figure 2 The present invention is a flowchart of a hardware circuit application method capable of automatically switching NCSI signals according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the following will be a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work shall fall within the scope of protection of the present invention.

[0029] The hardware circuit of the preferred embodiment of the present invention can automatically switch the NCSI signal, such as Figure 1 As shown, it includes a BMC unit 1 and a network card unit 2, and also includes a switch chip 3, an NCSI external interface 4 and a hardware logic circuit 5;

[0030] The switch chip 3 is communicatively connected to the BMC unit 1, the network card unit 2, the NCSI external interface 4 and the hardware logic circuit 5;

[0031] In the initial state, NCSI signal communication is established between the BMC unit 1, the switch chip 3 and the network card unit 2;

[0032] NCSI external interface 4, used to connect to external device 6, and identify external device 6 when it is connected, generate an identification signal and send it to hardware logic circuit 5;

[0033] The hardware logic circuit 5 analyzes the identification signal and generates a control switching signal according to the setting and sends it to the switch chip;

[0034] The switch chip 3, after receiving the control switching signal, switches to establish communication with the NCSI external interface 4 for the NCSI signal;

[0035] In addition, an NCSI external interface is added. A switch chip and hardware logic circuit are used to switch the NCSI signal between the network card and the NCSI external interface. The NCSI signal is interconnected with the network card by default. When the external NCSI interface is connected to the device, the NCSI signal is automatically switched to this interface. The external host system can also communicate with the BMC through this external interface to monitor and control the motherboard hardware system.

[0036] This hardware circuit design does not require the participation of other controllers. The built logic circuit and Switch IC can automatically switch the NCSI signal, connecting an NCSI channel to two external interfaces (LAN1 and NCSI CONN), expanding the usage scenarios of NCSI.

[0037] Preferably, the CLK signal of NCSI in the hardware circuit is 50Mhz, so the selected Switch IC needs to meet the design requirement of 50Mhz. The Switch IC selected in this solution is SN74CBTLV3257PWR, with a maximum switching frequency of 200Mhz, which can meet the design requirements; the description of the above model is only an example and is not intended to be limiting.

[0038] Preferably, the model of the network card unit is X550-T2. It can be understood that the description of the network card model is only an example and is not intended to be limiting.

[0039] A method for applying a hardware circuit capable of automatically switching NCSI signals is applied to the hardware circuit capable of automatically switching NCSI signals as described above. Figure 2 As shown, the method includes the steps of:

[0040] S01: In the initial state, NCSI signal communication is established between the BMC unit, the switch chip, and the network card unit;

[0041] S02: When an external device is connected to the NCSI external interface, the external device is identified and an identification signal is generated and sent to the hardware logic circuit;

[0042] S03: The hardware logic circuit analyzes the identification signal, generates a control switching signal according to the setting, and sends it to the switch chip;

[0043] S04: After receiving the control switching signal, the switch chip switches to establish NCSI signal communication with the NCSI external interface.

[0044] When the external device is unplugged, the switch chip will return to its initial state. By applying this method, the NCSI signal can be automatically switched through the built logic circuit and Switch IC, connecting an NCSI channel to two external interfaces (LAN1 and NCSI CONN), expanding the usage scenarios of NCSI.

[0045] A terminal capable of automatically switching NCSI signals, wherein the terminal is provided with a hardware circuit capable of automatically switching NCSI signals as described above; the terminal may be a server or other computer device, or a module component with certain specific functions, and its type is not limited.

[0046] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A hardware circuit capable of automatically switching NCSI signals, comprising a BMC unit and a network card unit, characterized in that: It also includes a switch chip, NCSI external interface and hardware logic circuit; The switch chip is communicatively connected to the BMC unit, the network card unit, the NCSI external interface and the hardware logic circuit; In the initial state, NCSI signal communication is established between the BMC unit, the switch chip and the network card unit; The NCSI external interface is used to connect to an external device, identify the external device when it is connected, and generate an identification signal to send to the hardware logic circuit; The hardware logic circuit analyzes the identification signal, generates a control switching signal according to a setting, and sends it to the switching chip; After receiving the control switching signal, the switching switch chip switches to establish communication with the NCSI external interface to establish the NCSI signal.

2. The hardware circuit capable of automatically switching NCSI signals according to claim 1, wherein The network card unit includes a LAN1 interface; The external device is connected to the NCSI external interface and is also connected to the LAN1 interface. The external device interacts with the network card unit through the LAN1 interface, and interacts with the BMC unit through the NCSI external interface and the switching switch chip.

3. The hardware circuit capable of automatically switching NCSI signals according to claim 1, wherein The CLK signal frequency of NCSI is 50Mhz; The maximum switching frequency of the switching switch chip is not less than 50Mhz.

4. The hardware circuit capable of automatically switching NCSI signals according to claim 1, wherein The model of the network card unit is X550-T2.

5. The hardware circuit capable of automatically switching NCSI signals according to claim 1, wherein The model of the switching switch chip is SN74CBTLV3257PWR.

6. A method for applying a hardware circuit capable of automatically switching an NCSI signal, applied to a hardware circuit capable of automatically switching an NCSI signal as described in any one of claims 1 to 5, characterized in that: The method comprises the steps of: In the initial state, NCSI signal communication is established between the BMC unit, the switch chip, and the network card unit; When an external device is connected to the NCSI external interface, the external device is identified and an identification signal is generated and sent to the hardware logic circuit; The hardware logic circuit analyzes the identification signal and generates a control switching signal according to the setting and sends it to the switch chip; After receiving the control switching signal, the switch chip switches to establish NCSI signal communication with the NCSI external interface.

7. A terminal capable of automatically switching NCSI signals, characterized in that: The terminal is provided with a hardware circuit that can automatically switch the NCSI signal as described in any one of claims 1-5.

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