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1. 发明申请

US20200184077A1 METHOD AND APPARATUS FOR SECURE BOOT OF EMBEDDED DEVICE 审中-公开
公开(公告)号：US20200184077A1
公开(公告)日：2020-06-11
申请号：US16210300
申请日：2018-12-05
申请人： American Megatrends Inc.
发明人： Aruna Venkataraman , Ryan McCutcheon , Satheesh Thomas , Valantina Arumugam , Hemanthkumar M , Venkatesan Balakrishan , Anurag Bhatia
IPC分类号： G06F21/57 , G06F9/4401 , H04L9/30 , G06F21/64 , H04L9/32
摘要： In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus is an embedded-system device. The embedded-system device loads a first boot loader from a read only section of a storage device in an initialization process of the embedded-system device. The embedded-system device also loads, by the first boot loader, a public key from the read only section. The embedded-system device further generates a first verification code for static code and data stored in a first section of the storage device. The embedded-system device then decrypts, by the first boot loader, an encrypted signature stored in the first section by using the public key to obtain a second verification code. The embedded-system device determines integrity of the static code and data based on the first verification code and the second verification code.

2. 发明授权

US10284418B2 Network switch management via embedded management controller using management information base (MIB) to JSON parser 有权
公开(公告)号：US10284418B2
公开(公告)日：2019-05-07
申请号：US15218749
申请日：2016-07-25
申请人： AMERICAN MEGATRENDS, INC.
发明人： Anurag Bhatia , Kiran Kumar Ballapalli , Yi-Wei Chiu , George Hsin , Ajay Kumar Gupta , Venkatesan Balakrishnan
IPC分类号： G06F15/173 , H04L12/24 , H04L29/08 , H04L29/06
摘要： Certain aspects direct to systems and methods for network switch management via a management controller using a management information base (MIB) to JavaScript Object Notation (JSON) parser. At a computing device, an administrator provides a MIB file corresponding to a network switch to be managed. Then the administrator utilizes a parser application to parse the MIB file at the computing device to retrieve Object Identifiers (OIDs) from the MIB file, and then converts the OIDs to JSON objects, in order to generate parsed information of the MIB file including the JSON objects. Thus, the administrator may use a browser to access a web user interface at a management controller to upload the parsed information of the MIB file to the management controller. The management controller may then manage and configure the network switch through a Simple Network Management Protocol (SNMP) interface based on the parsed information of the MIB file.

3. 发明申请

US20180062989A1 TECHNIQUES OF SENSOR READINGS VIRTUALIZATION AND BMC FUNCTIONALITY VALIDATION 审中-公开
公开(公告)号：US20180062989A1
公开(公告)日：2018-03-01
申请号：US15247067
申请日：2016-08-25
申请人： American Megatrends, Inc.
发明人： Anurag Bhatia , Samvinesh Christopher , Winston Thangapandian
IPC分类号： H04L12/721 , H04L29/08
CPC分类号： H04L45/68 , G06F11/00 , H04L41/0213 , H04L43/08
摘要： In an aspect of the disclosure, a method, a computer-readable medium, and a computer system are provided. A first device of the computer system emulates one or more sensors monitoring one or more operating characteristics of a host of a BMC of the computer system. The first device generates first data of a first sensor of the one or more emulated sensors. The first sensor monitors a first operating characteristic of the one or more operating characteristics. The first device sends, to the BMC, the first data and an indication indicating that the first data is associated with the first sensor.

4. 发明申请

US20180060084A1 TECHNIQUES FOR BRIDGING BIOS COMMANDS BETWEEN CLIENT AND HOST VIA BMC 审中-公开
公开(公告)号：US20180060084A1
公开(公告)日：2018-03-01
申请号：US15247529
申请日：2016-08-25
申请人： American Megatrends, Inc.
发明人： Satheesh Thomas , Anurag Bhatia , Sanjoy Maity , Purandhar Nallagatla , Baskar Parthiban , Ramakoti Reddy Bhimanadhuni , Harikrishna Doppalapudi
IPC分类号： G06F9/44 , G06F9/48
CPC分类号： G06F9/4812 , G06F13/10
摘要： In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be an embedded-system device. The embedded-system device receives a first message including first command or data from a client. The embedded-system device triggers a BIOS of a host of the embedded-system device to communicate with the embedded-system device. The embedded-system device receives a request from the BIOS. The embedded-system device sends the first command or data to the BIOS in response to the request.

5. 发明申请

US20180032345A1 UNIFIED METHOD TO SEND BIOS POST CODES TO BMC 审中-公开
公开(公告)号：US20180032345A1
公开(公告)日：2018-02-01
申请号：US15224969
申请日：2016-08-01
申请人： American Megatrends, Inc.
发明人： Samvinesh Christopher , Anurag Bhatia
IPC分类号： G06F9/44 , G06F13/42
CPC分类号： G06F9/4401 , G06F9/4411 , G06F13/105 , G06F13/4282 , H04L67/2861
摘要： In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be an embedded-system device. The embedded-system device emulates a USB device. The embedded-system device exposes the emulated USB device to a host of the embedded-system device through a USB connection. The embedded-system device receives data from BIOS of the host through the emulated USB device.

6. 发明申请

US20160328229A1 SYSTEM AND METHOD OF ONLINE FIRMWARE UPDATE FOR BASEBOARD MANAGEMENT CONTROLLER (BMC) DEVICES 有权
标题翻译：基板管理控制器（BMC）设备的在线固件更新的系统和方法
公开(公告)号：US20160328229A1
公开(公告)日：2016-11-10
申请号：US14703156
申请日：2015-05-04
申请人： AMERICAN MEGATRENDS, INC.
发明人： Samvinesh Christopher , Anurag Bhatia , Winston Thangapandian , Suresh Vijayakumar , Balasubramanian Chandrasekaran
IPC分类号： G06F9/445 , G06F17/30
CPC分类号： G06F8/654 , G06F17/3007
摘要： A system includes a baseboard management controller (BMC), capable of online update of the BMC without shutting down any services. The BMC includes a processor, a volatile memory configured to perform multiple service instances, and a non-volatile memory storing a computer executable code and a root file system. The root file system includes multiple service modules as origin of the service instances. The computer executable code, when executed at the processor, is configured to: receive an update command and perform an update process based on the update command. The update process includes: copying the root file system from the non-volatile memory to the volatile memory; switching the origin of the service instances to the copy of the root file system; receiving an update root file system code; and writing the update root file system code to the non-volatile memory to obtain an updated root file system.
摘要翻译：系统包括一个基板管理控制器（BMC），能够在不关闭任何服务的情况下在线更新BMC。 BMC包括处理器，被配置为执行多个服务实例的易失性存储器和存储计算机可执行代码和根文件系统的非易失性存储器。根文件系统包括作为服务实例的起源的多个服务模块。计算机可执行代码在处理器执行时被配置为：接收更新命令并且基于更新命令执行更新处理。更新过程包括：将根文件系统从非易失性存储器复制到易失性存储器; 将服务实例的来源切换到根文件系统的副本; 接收更新根文件系统代码; 并将更新根文件系统代码写入非易失性存储器以获得更新的根文件系统。

7. 发明申请

US20160321197A1 DISTRIBUTED INTELLIGENT PLATFORM MANAGEMENT INTERFACE (D-IPMI) SYSTEM AND METHOD THEREOF 有权
标题翻译：分布式智能平台管理界面（D-IPMI）系统及其方法
公开(公告)号：US20160321197A1
公开(公告)日：2016-11-03
申请号：US14700843
申请日：2015-04-30
申请人： AMERICAN MEGATRENDS, INC.
发明人： Anurag Bhatia , Sanjoy Maity
IPC分类号： G06F13/16 , G06F13/40
CPC分类号： G06F13/1652 , G06F1/3206 , G06F11/3006 , G06F13/124 , G06F13/4068
摘要： Certain aspects direct a distributed Intelligent Platform Management Interface (D-IPMI) system. The system includes a computing device and a distributed management device. The distributed management device includes a first management device and at least one second management device physically separated from each other. A stack interface connects the first management device and the second management device to perform an internal communication between the first management device and the second management device. The first management device may be used to perform time critical functions related to the computing device, and the second management device may be used to perform non-critical functions. For example, the first management device may perform system power control of the computing device, monitor system components and obtaining system information of the computing device, and perform system communication with the computing device. The second management device may perform an external communication through the external interface.
摘要翻译：某些方面指导了分布式智能平台管理界面（D-IPMI）系统。该系统包括计算设备和分布式管理设备。分布式管理装置包括物理上彼此分离的第一管理装置和至少一个第二管理装置。堆叠接口连接第一管理设备和第二管理设备，以执行第一管理设备和第二管理设备之间的内部通信。第一管理设备可以用于执行与计算设备相关的时间关键功能，并且第二管理设备可以用于执行非关键功能。例如，第一管理装置可以执行计算装置的系统功率控制，监视系统部件并获得计算装置的系统信息，并且与计算装置进行系统通信。第二管理装置可以通过外部接口进行外部通信。

8. 发明授权

US09928206B2 Dedicated LAN interface per IPMI instance on a multiple baseboard management controller (BMC) system with single physical network interface 有权
公开(公告)号：US09928206B2
公开(公告)日：2018-03-27
申请号：US14805251
申请日：2015-07-21
申请人： American Megatrends, Inc.
发明人： Anurag Bhatia , Samvinesh Christopher
IPC分类号： G06F13/42 , G06F9/445
CPC分类号： G06F13/4282 , G06F9/44505
摘要： A system includes a management controller for managing a plurality of computing platforms. The management controller includes a processor, a physical network interface controller (NIC), a volatile memory, and a non-volatile memory storing computer executable code. The computer executable code, when executed at the processor, is configured to: provide a plurality of firmware instances, each corresponding to a respective one of the computing platforms; configure a plurality of virtual NICs (VNICs), each of the VNICs corresponding to a respective one of the firmware instances, wherein the VNICs share network resource provided by the physical NIC; and for each of the firmware instances, in response to a communication command to transmit data through the corresponding VNIC, transmit the data through the physical NIC.

9. 发明申请

US20180077245A1 SYSTEM AND METHOD FOR PROVIDING MULTIPLE IPMI SERIAL OVER LAN (SOL) SESSIONS IN MANAGEMENT CONTROLLER STACK 审中-公开
公开(公告)号：US20180077245A1
公开(公告)日：2018-03-15
申请号：US15263825
申请日：2016-09-13
申请人： AMERICAN MEGATRENDS, INC.
发明人： Anurag Bhatia , Yi-Wei Chiu , George Hsin , Ajay Kumar Gupta
IPC分类号： H04L29/08
CPC分类号： H04L67/142 , H04L67/141
摘要： Systems and methods for providing and supporting multiple Intelligent Platform Management Interface (IPMI) serial over local area network (SOL) sessions in a management controller. The system includes a management controller used to manage multiple nodes, and at least one remote computing device connected to the management controller via a local area network (LAN). In operation, the management controller configures multiple serial ports for the nodes, so the management controller is communicatively connectable to each of the nodes respectively via one of the serial ports. When the management controller receives a SOL request from the remote computing device to establish a SOL session to access a specific node, the management controller may accordingly establish the SOL session between the specific node and the remote computing device sending the SOL request. Thus, the management controller may support multiple SOL sessions, and may store information of each of the SOL sessions independently.

10. 发明授权

US09910664B2 System and method of online firmware update for baseboard management controller (BMC) devices 有权
公开(公告)号：US09910664B2
公开(公告)日：2018-03-06
申请号：US14703156
申请日：2015-05-04
申请人： AMERICAN MEGATRENDS, INC.
发明人： Samvinesh Christopher , Anurag Bhatia , Winston Thangapandian , Suresh Vijayakumar , Balasubramanian Chandrasekaran
IPC分类号： G06F9/44 , G06F9/445 , G06F17/30
CPC分类号： G06F8/654 , G06F17/3007
摘要： A system includes a baseboard management controller (BMC), capable of online update of the BMC without shutting down any services. The BMC includes a processor, a volatile memory configured to perform multiple service instances, and a non-volatile memory storing a computer executable code and a root file system. The root file system includes multiple service modules as origin of the service instances. The computer executable code, when executed at the processor, is configured to: receive an update command and perform an update process based on the update command. The update process includes: copying the root file system from the non-volatile memory to the volatile memory; switching the origin of the service instances to the copy of the root file system; receiving an update root file system code; and writing the update root file system code to the non-volatile memory to obtain an updated root file system.

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