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    • 4. 发明专利
    • Data-relay integrated circuit, data relay device, and data relay method
    • 数据继电器集成电路,数据继电器和数据继电器
    • JP2008225558A
    • 2008-09-25
    • JP2007058743
    • 2007-03-08
    • Fujitsu Ltd富士通株式会社
    • ARATAKI NIINAMURO TOMOHARU
    • G06F3/06
    • G06F11/1004H03M13/093H03M13/19
    • PROBLEM TO BE SOLVED: To provide a data-relay integrated circuit, a data relay device and a data relay method for efficiently transferring write data from a host computer to a cache memory, thus reducing the loss of processing time. SOLUTION: Data (1) to (3) into which one write data is divided are sent in turn from a host computer device to a protocol DMA chip, and each time the protocol DMA chip receives any of the data (1) to (3), it immediately sends the data to the cache memory before all the data are present in the protocol DMA chip. That is, before data verification for the write data of the same CCW based on an SB2-CRC is complete, an SNE (Send Engine) is started to transfer the write data from a buffer to the cache memory. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种数据中继集成电路,数据中继装置和数据中继方法,用于将写入数据从主机高效地传送到高速缓冲存储器,从而减少处理时间的损失。 解决方案:将一个写入数据划分成的数据(1)至(3)从主机设备依次发送到协议DMA芯片,并且每当协议DMA芯片接收到任何数据(1)时, 到(3),在协议DMA芯片中存在所有数据之前立即将数据发送到高速缓冲存储器。 也就是说,在完成基于SB2-CRC的相同CCW的写入数据的数据验证完成之前,启动SNE(发送引擎)以将写入数据从缓冲器传送到高速缓冲存储器。 版权所有(C)2008,JPO&INPIT