Patents by Inventor Ruihua Hou

Ruihua Hou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for accessing hardware resource
    Patent number: 9529650
    Abstract: A method and an apparatus for accessing a hardware resource are provided. The method includes configuring permission for one or more privileged instructions that are used for hardware access such that when the privileged instructions are used by a user mode application program, the application program can access a hardware resource without trapping into a kernel, and executing the privileged instructions that are encapsulated in the privileged application programming interface (API) that is called at the code level by the application program , and a privileged instruction for direct access to a hardware resource is set and encapsulated into an API, which is deployed in user space in order to reduce system overheads for accessing the hardware resource and improve processing efficiency.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: December 27, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chen Zheng, Ruihua Hou, Jianfeng Zhan, Lixin Zhang
  • Method and Apparatus for Accessing Hardware Resource
    Publication number: 20160224399
    Abstract: A method and an apparatus for accessing a hardware resource are provided. The method includes configuring permission for one or more privileged instructions that are used for hardware access such that when the privileged instructions are used by a user mode application program, the application program can access a hardware resource without trapping into a kernel, and executing the privileged instructions that are encapsulated in the privileged application programming interface (API) that is called at the code level by the application program , and a privileged instruction for direct access to a hardware resource is set and encapsulated into an API, which is deployed in user space in order to reduce system overheads for accessing the hardware resource and improve processing efficiency.
    Type: Application
    Filed: March 3, 2016
    Publication date: August 4, 2016
    Inventors: Chen Zheng, Ruihua Hou, Jianfeng Zhan, Lixin Zhang