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    Establishing and restoring paths in a data processing I/O system
    6.
    发明授权
    Establishing and restoring paths in a data processing I/O system 失效
    建立和恢复数据处理I / O系统中的路径

    公开(公告)号：US5465355A

    公开(公告)日：1995-11-07

    申请号：US150748

    申请日：1993-11-12

    申请人： Thomas E. Cook ,  Mark J. Fantacone ,  Robert E. Galbraith ,  Steven G. Glassen ,  Allan S. Meritt ,  Kenneth J. Oakes ,  Harry M. Yudenfriend

    发明人： Thomas E. Cook ,  Mark J. Fantacone ,  Robert E. Galbraith ,  Steven G. Glassen ,  Allan S. Meritt ,  Kenneth J. Oakes ,  Harry M. Yudenfriend

    IPC分类号： G06F13/10 ,  G06F13/20 ,  G06F13/00 ,  G06F13/14

    CPC分类号： G06F13/10 ,  G06F13/20

    摘要： A data processing I/O system including a main storage for storing data and data processing instructions arranged in software programs, and a channel subsystem having hardware for reporting conditions in the channel subsystem to the software. A special Channel Subsystem Call (CHSC) instruction is used to store event information from the channel subsystem into the main memory for use by the software such that new or restored resources such as a channel path, a channel path and partial control unit link address, or a channel path and full control unit link address, may be originally made accessible, or may be restored to the I/O system. A mechanism is also provided to inquire of a device how long it expects to not be accessible to give the device sufficient time to reset itself before it is varied offline, thus preventing a device from being isolated or "boxed" prematurely.

    摘要翻译： 一种数据处理I / O系统，包括用于存储以软件程序排列的数据和数据处理指令的主存储器，以及具有用于向该软件报告信道子系统中的条件的硬件的通道子系统。 专用信道子系统呼叫（CHSC）指令用于将来自信道子系统的事件信息存储到主存储器中以供软件使用，以便新的或恢复的资源，例如信道路径，信道路径和部分控制单元链路地址， 或通道路径和全控制单元链路地址，可以原来可访问，或者可以被还原到I / O系统。 还提供了一种机制来查询设备，其期望无法访问多长时间，以便在离线之前给设备足够的时间重置自身，从而防止设备过早隔离或“盒装”。

    Method and apparatus for performing control unit level recovery operations
    7.
    发明授权
    Method and apparatus for performing control unit level recovery operations 失效
    执行控制单元级别恢复操作的方法和装置

    公开(公告)号：US5423026A

    公开(公告)日：1995-06-06

    申请号：US755200

    申请日：1991-09-05

    申请人： Thomas E. Cook ,  Marten J. Halma ,  Allan S. Meritt ,  Harry M. Yudenfriend

    发明人： Thomas E. Cook ,  Marten J. Halma ,  Allan S. Meritt ,  Harry M. Yudenfriend

    IPC分类号： G06F11/14 ,  G06F11/00

    CPC分类号： G06F11/142

    摘要： Control unit level reset operations in systems having switched point-to-point I/O interface topologies is accomplished by determining and storing channel path identification numbers (CHPID's) and control unit link addresses (CULA's) for each device in the system, scanning this stored data to find devices whose CHPID's and CULA's match the CHPID and CULA for a device or a control unit having a reported error, quiescing devices with such matching CHPID's and CULA's, issuing a control unit level reset command and reactivating the quiesced devices. For systems having both multidropped and switched point-to-point topologies, provision is made for preliminarily determining whether a given control unit reset can be performed on the control unit level.

    摘要翻译： 通过确定和存储系统中每个设备的通道路径标识号（CHPID）和控制单元链路地址（CULA）来实现具有交换点对点I / O接口拓扑的系统中的控制单元电平复位操作，扫描该存储 数据以查找具有报告错误的设备或具有报告错误的控制单元的CHPID和CULA与CHPID和CULA匹配的设备，停止具有这种匹配的CHPID和CULA的设备，发出控制单元级别复位命令并重新激活静默设备。 对于具有多点和交换点对点拓扑的系统，提供预先确定是否可以在控制单元级别执行给定的控制单元复位。

    Method of providing direct data processing access using a queued direct input-output device
    9.
    发明授权
    Method of providing direct data processing access using a queued direct input-output device 有权
    使用排队的直接输入 - 输出设备提供直接数据处理访问的方法

    公开(公告)号：US06397350B1

    公开(公告)日：2002-05-28

    申请号：US09253246

    申请日：1999-02-19

    申请人： Michael E. Baskey ,  Steven G. Glassen ,  Eugene P. Hefferon ,  Bruce H. Ratcliff ,  Arthur J. Stagg ,  Stephen R. Valley ,  Daniel F. Casper ,  Allan S. Meritt ,  Anthony R. Sager ,  Donald W. Schmidt

    发明人： Michael E. Baskey ,  Steven G. Glassen ,  Eugene P. Hefferon ,  Bruce H. Ratcliff ,  Arthur J. Stagg ,  Stephen R. Valley ,  Daniel F. Casper ,  Allan S. Meritt ,  Anthony R. Sager ,  Donald W. Schmidt

    IPC分类号： G06F1100

    CPC分类号： G06F3/061 ,  G06F3/0656 ,  G06F3/0683

    摘要： A method of providing direct data processing access in a network computing system environment. The system environment has a main storage which can be connected to one or more application servers and is in processing communication with an interface element. The interface element has at least one adapter and can be connected to one or more application user(s). One or more queues are established in the main storage that can handle data without causing interrupts in the running programs. Incoming data is received using the adapter and as data is received or modified, the status of the network computing system will be updated to reflect the new data or change. Data is then processed in the main storage after interrogating the multiple existing queues in the main storage and forwarding them in turn to their appropriate destination or application server after a determination has been made by interrogating these queues.

    摘要翻译： 一种在网络计算系统环境中提供直接数据处理访问的方法。 系统环境具有可以连接到一个或多个应用服务器并正在处理与接口元件的通信的主存储器。 接口元件具有至少一个适配器并且可以连接到一个或多个应用用户。 在主存储器中建立一个或多个队列，可以处理数据，而不会导致正在运行的程序中断。 使用适配器接收传入数据，并且随着数据被接收或修改，网络计算系统的状态将被更新以反映新的数据或改变。 然后在主存储器中询问多个现有队列之后，在主存储器中处理数据，并且在通过询问这些队列进行确定之后将它们依次转发到其适当的目的地或应用服务器。