Invention Grant
US08799530B2 Data processing system with a host bus adapter (HBA) running on a PCIe bus that manages the number enqueues or dequeues of data in order to reduce bottleneck
有权
具有主机总线适配器（HBA）的数据处理系统，该总线适配器（HBA）运行在PCIe总线上，以管理数字排队或出队数据，以减少瓶颈
- Patent Title: Data processing system with a host bus adapter (HBA) running on a PCIe bus that manages the number enqueues or dequeues of data in order to reduce bottleneck
- Patent Title (中): 具有主机总线适配器（HBA）的数据处理系统，该总线适配器（HBA）运行在PCIe总线上，以管理数字排队或出队数据，以减少瓶颈
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Application No.: US13875420Application Date: 2013-05-02
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Publication No.: US08799530B2Publication Date: 2014-08-05
- Inventor: Takafumi Maruyama , Megumu Hasegawa
- Applicant: Hitachi, LTD.
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Mattingly & Malur, PC
- Priority: JP2012-108104 20120510
- Main IPC: G06F9/44
- IPC: G06F9/44
Abstract:
An HBA driver manages a queue number for enqueuing and dequeuing data to an I/O queue by the main storage, and HBA-F/W manages a storage region at inside of HBA. The HBA driver reduces the number of access times by way of the PCIe bus by noticing an enqueued queue number or a dequeued queue number of an I/O queue to HBA-F/W by utilizing an MMIO area of the main storage in which a storage region on HBA is mapped.
Public/Granted literature
- US20130304949A1 COMPUTER AND INPUT/OUTPUT CONTROL METHOD OF COMPUTER Public/Granted day:2013-11-14
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