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    • 1. 发明申请
    • Buffer sharing in host controller
    • 主机控制器中的缓冲区共享
    • US20050120150A1
    • 2005-06-02
    • US10817572
    • 2004-04-02
    • Robert LisselBernd SchonfelderFrank Barth
    • Robert LisselBernd SchonfelderFrank Barth
    • G06F3/06G06F13/14G06F13/28G06F13/38
    • G06F3/0661G06F3/0607G06F3/0674G06F13/28G06F13/385
    • A storage device host controller such as an SATA (Serial ATA) host controller and a corresponding method are provided for performing host-to-device and device-to-host communications in a PIO (Programmed I/O) data transfer mode and a DMA (Direct Memory Access) data transfer mode. The host controller comprises a buffer unit for buffering data and a data stream selection unit for selecting a data stream for submission to the buffer unit. The data stream selection unit is connected to receive at any one time at least one of a host-to-device data stream in the PIO data transfer mode, a host-to-device data stream in the DMA data transfer mode, a device-to-host data stream in the PIO data transfer mode, and a device-to-host data stream in the DMA data transfer mode, and select from the received data streams the data stream to be submitted to the buffer unit.
    • 提供诸如SATA(串行ATA)主机控制器和相应方法的存储设备主机控制器,用于在PIO(编程I / O)数据传输模式和DMA中执行主机到设备和设备到主机的通信 (直接存储器访问)数据传输模式。 主机控制器包括用于缓冲数据的缓冲器单元和用于选择用于提交到缓冲器单元的数据流的数据流选择单元。 数据流选择单元被连接以在任何一个时间接收PIO数据传送模式的主机到设备数据流中的至少一个,DMA数据传送模式中的主机到设备数据流, 在PIO数据传送模式中的主机数据流,以及DMA数据传送模式中的设备到主机数据流,并从所接收的数据流中选择要提交给缓冲器单元的数据流。
    • 2. 发明授权
    • Buffer sharing in host controller
    • 主机控制器中的缓冲区共享
    • US07165125B2
    • 2007-01-16
    • US10817572
    • 2004-04-02
    • Robert LisselBernd SchönfelderFrank Barth
    • Robert LisselBernd SchönfelderFrank Barth
    • G06F31/20G06F13/00
    • G06F3/0661G06F3/0607G06F3/0674G06F13/28G06F13/385
    • A storage device host controller such as an SATA (Serial ATA) host controller and a corresponding method are provided for performing host-to-device and device-to-host communications in a PIO (Programmed I/O) data transfer mode and a DMA (Direct Memory Access) data transfer mode. The host controller comprises a buffer unit for buffering data and a data stream selection unit for selecting a data stream for submission to the buffer unit. The data stream selection unit is connected to receive at any one time at least one of a host-to-device data stream in the PIO data transfer mode, a host-to-device data stream in the DMA data transfer mode, a device-to-host data stream in the PIO data transfer mode, and a device-to-host data stream in the DMA data transfer mode, and select from the received data streams the data stream to be submitted to the buffer unit.
    • 提供诸如SATA(串行ATA)主机控制器和相应方法的存储设备主机控制器,用于在PIO(编程I / O)数据传输模式和DMA中执行主机到设备和设备到主机的通信 (直接存储器访问)数据传输模式。 主机控制器包括用于缓冲数据的缓冲器单元和用于选择用于提交到缓冲器单元的数据流的数据流选择单元。 数据流选择单元被连接以在任何一个时间接收PIO数据传送模式的主机到设备数据流中的至少一个,DMA数据传送模式中的主机到设备数据流, 在PIO数据传送模式中的主机数据流,以及DMA数据传送模式中的设备到主机数据流,并从所接收的数据流中选择要提交给缓冲器单元的数据流。