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A system and method for realizing server host accessing bmc FLASH through mailbox protocol

A protocol implementation and server technology, applied in the server field, to achieve good portability, operability, and good portability

Active Publication Date: 2021-07-27
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In the embodiment of the present invention, a system and method for realizing server host access to BMC FLASH through the mailbox protocol are provided, so as to solve the problem of logic implementation of the mailbox protocol in the BMC localization process in the prior art

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  • A system and method for realizing server host accessing bmc FLASH through mailbox protocol
  • A system and method for realizing server host accessing bmc FLASH through mailbox protocol
  • A system and method for realizing server host accessing bmc FLASH through mailbox protocol

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Embodiment Construction

[0029] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0030] Mailbox protocol is a way that HOST can control FLASH through BMC. Its main feature is that HOST and BMC exchange information through the registers specified in the mailbox, so that HOST transmits data and commands to BMC through mailbox, and then BMC operates on FLASH independently. , the result of the operation is returned to t...

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Abstract

The embodiment of the present invention discloses a system and method for realizing the server host to access BMCFLASH through the mailbox protocol. By using SoCFPGA to complete the implementation process of the server BMC function, the problem that the server HOST controls the FLASH through the BMC is solved. The present invention uses VerilogHDL language development The logic of the mailbox protocol module can be well connected with other modules and has good portability.

Description

technical field [0001] The invention relates to the technical field of servers, in particular to a system and a method for realizing a server host to access BMC FLASH through a mailbox protocol. Background technique [0002] The BMC (Baseboard Management Controller) in the server is responsible for monitoring and controlling the server. In the standard, the server host communicates with the BMC through the LPC interface. At the same time, there is such an application scenario: the server host needs to read or update the content in the FLASH controlled by the BMC, which stores the firmware information of the system, that is, the BIOS, so as to realize the information acquisition and upgrade of the BIOS by the server host Features. [0003] In the process of BMC localization, it has become a reality to use SoC (System on chip) FPGA to replace the original BMC chip and realize various interface functions in the BMC function. SoC FPGA is a programmable logic system that integr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/312G06F9/30G06F13/16
CPCG06F9/30043G06F9/3013G06F13/1668
Inventor 魏红杨
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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