DMA doorbell
    1.
    发明授权
    DMA doorbell 有权
    DMA门铃

    公开(公告)号:US06735642B2

    公开(公告)日:2004-05-11

    申请号:US09870016

    申请日:2001-05-31

    IPC分类号: G06F1314

    CPC分类号: G06F13/28 G06F2213/2802

    摘要: A method of direct memory access (DMA) includes receiving a first notification at a DMA engine that a first list of descriptors has been prepared, each of the descriptors in the list including an instruction for execution by the DMA engine and a link to a succeeding one of the descriptors, except for a final descriptor in the list, which has a null link. The DMA engine reads and executes the descriptors in the first list. When the DMA engine receives a second notification that a second list of the descriptors has been prepared, it rereads at least a part of the final descriptor in the first list to determine a changed value of the link, indicating a first descriptor in the second list. It then reads and executes the descriptors in the second list responsive to the changed value of the link.

    摘要翻译: 直接存储器访问(DMA)的方法包括:在DMA引擎处接收第一个描述符列表的第一通知,列表中的每个描述符包括由DMA引擎执行的指令,以及到后续的 描述符之一,除了列表中的最终描述符,其具有空链接。 DMA引擎读取并执行第一个列表中的描述符。 当DMA引擎接收到已经准备好描述符的第二列表的第二通知时,它重新读取第一列表中的最终描述符的至少一部分以确定链接的改变的值,指示第二列表中的第一描述符 。 然后,它响应于链接的更改值读取并执行第二列表中的描述符。

    Dynamically-connected transport service
    2.
    发明授权
    Dynamically-connected transport service 有权
    动态连接运输服务

    公开(公告)号:US08213315B2

    公开(公告)日:2012-07-03

    申请号:US12621523

    申请日:2009-11-19

    IPC分类号: H04L12/26

    摘要: A method of communication includes receiving, in a network interface device, first and second requests from an initiator process running on an initiator host to transmit, respectively, first and second data to first and second target processes running on one or more target nodes, via a packet network. A single dynamically-connected initiator context is allocated for serving both the first and second requests. A first connect packet referencing the dynamically-connected (DC) initiator context is directed to the first target process so as to open a first dynamic connection with the first target process, followed by transmission of the first data over the first dynamic connection. The first dynamic connection is closed after the transmission of the first data, and a second connect packet is transmitted so as to open a second dynamic connection with the second target process, followed by transmission of the second data.

    摘要翻译: 一种通信方法包括在网络接口设备中接收来自在发起者主机上运行的发起者进程的第一和第二请求,以分别将第一和第二数据发送到在一个或多个目标节点上运行的第一和第二目标进程,经由 一个分组网络。 分配单个动态连接的发起者上下文用于服务第一和第二请求。 引用动态连接(DC)启动器上下文的第一连接分组针对第一目标进程,以便打开与第一目标进程的第一动态连接,随后通过第一动态连接传输第一数据。 第一动态连接在传输第一数据之后被关闭,并且传输第二连接分组以便打开与第二目标进程的第二动态连接,随后传输第二数据。

    Network adapter with shared database for message context information
    3.
    发明授权
    Network adapter with shared database for message context information 有权
    具有用于消息上下文信息的共享数据库的网络适配器

    公开(公告)号:US07930437B2

    公开(公告)日:2011-04-19

    申请号:US12369795

    申请日:2009-02-12

    IPC分类号: G06F15/16

    摘要: A network interface adapter includes a network interface and a client interface, for coupling to a client device so as to receive from the client device work requests to send messages over the network using a plurality of transport service instances. Message processing circuitry, coupled between the network interface and the client interface, includes an execution unit, which generates the messages in response to the work requests and passes the messages to the network interface to be sent over the network. A memory stores records of the messages that have been generated by the execution unit in respective lists according to the transport service instances with which the messages are associated. A completion unit receives the records from the memory and, responsive thereto, reports to the client device upon completion of the messages.

    摘要翻译: 网络接口适配器包括网络接口和客户端接口,用于耦合到客户机设备,以便从客户端设备接收通过网络使用多个传输服务实例发送消息的工作请求。 耦合在网络接口和客户机接口之间的消息处理电路包括一个执行单元,该执行单元响应于工作请求产生消息,并将消息传递到网络接口以通过网络发送。 存储器根据与消息相关联的传输服务实例来存储由执行单元在各个列表中生成的消息的记录。 完成单元从存储器接收记录,并且响应于此,在消息完成时向客户端设备报告。

    Dynamically-Connected Transport Service
    5.
    发明申请
    Dynamically-Connected Transport Service 有权
    动态连接的运输服务

    公开(公告)号:US20110116512A1

    公开(公告)日:2011-05-19

    申请号:US12621523

    申请日:2009-11-19

    IPC分类号: H04L12/66

    摘要: A method of communication includes receiving, in a network interface device, first and second requests from an initiator process running on an initiator host to transmit, respectively, first and second data to first and second target processes running on one or more target nodes, via a packet network. A single dynamically-connected initiator context is allocated for serving both the first and second requests. A first connect packet referencing the dynamically-connected (DC) initiator context is directed to the first target process so as to open a first dynamic connection with the first target process, followed by transmission of the first data over the first dynamic connection. The first dynamic connection is closed after the transmission of the first data, and a second connect packet is transmitted so as to open a second dynamic connection with the second target process, followed by transmission of the second data.

    摘要翻译: 一种通信方法包括在网络接口设备中接收来自在发起者主机上运行的发起者进程的第一和第二请求,以分别将第一和第二数据发送到在一个或多个目标节点上运行的第一和第二目标进程,经由 一个分组网络。 分配单个动态连接的发起者上下文用于服务第一和第二请求。 引用动态连接(DC)启动器上下文的第一连接分组针对第一目标进程,以便打开与第一目标进程的第一动态连接,随后通过第一动态连接传输第一数据。 第一动态连接在传输第一数据之后被关闭,并且传输第二连接分组以便打开与第二目标进程的第二动态连接,随后传输第二数据。

    Network adapter with shared database for message context information
    6.
    发明授权
    Network adapter with shared database for message context information 有权
    具有用于消息上下文信息的共享数据库的网络适配器

    公开(公告)号:US08671138B2

    公开(公告)日:2014-03-11

    申请号:US13177572

    申请日:2011-07-07

    IPC分类号: G06F15/16 G06F13/28

    摘要: A network interface adapter includes a network interface and a client interface, for coupling to a client device so as to receive from the client device work requests to send messages over the network using a plurality of transport service instances. Message processing circuitry, coupled between the network interface and the client interface, includes an execution unit, which generates the messages in response to the work requests and passes the messages to the network interface to be sent over the network. A memory stores records of the messages that have been generated by the execution unit in respective lists according to the transport service instances with which the messages are associated. A completion unit receives the records from the memory and, responsive thereto, reports to the client device upon completion of the messages.

    摘要翻译: 网络接口适配器包括网络接口和客户端接口,用于耦合到客户机设备,以便从客户端设备接收通过网络使用多个传输服务实例发送消息的工作请求。 耦合在网络接口和客户机接口之间的消息处理电路包括一个执行单元,该执行单元响应于工作请求产生消息,并将消息传递到网络接口以通过网络发送。 存储器根据与消息相关联的传输服务实例来存储由执行单元在各个列表中生成的消息的记录。 完成单元从存储器接收记录,并且响应于此,在消息完成时向客户端设备报告。

    Network interface device with memory management capabilities
    7.
    发明授权
    Network interface device with memory management capabilities 有权
    具有内存管理功能的网络接口设备

    公开(公告)号:US08255475B2

    公开(公告)日:2012-08-28

    申请号:US12430912

    申请日:2009-04-28

    IPC分类号: G06F15/167

    CPC分类号: G06F12/1072 G06F12/145

    摘要: An input/output (I/O) device includes a host interface for connection to a host device having a memory and a network interface, which is configured to receive, over a network, data packets associated with I/O operations directed to specified virtual addresses in the memory. Packet processing hardware is configured to translate the virtual addresses into physical addresses and to perform the I/O operations using the physical addresses, and upon an occurrence of a page fault in translating one of the virtual addresses, to transmit a response packet over the network to a source of the data packets so as to cause the source to refrain from transmitting further data packets while the page fault is serviced.

    摘要翻译: 输入/输出(I / O)设备包括用于连接到具有存储器和网络接口的主机设备的主机接口,其被配置为通过网络接收与指向虚拟的I / O操作相关联的数据分组 地址在内存中。 分组处理硬件被配置为将虚拟地址转换为物理地址并且使用物理地址执行I / O操作,并且在翻译虚拟地址之一时出现页面故障时,通过网络发送响应分组 到数据分组的源,以便在页面故障被维护时使得源不被发送进一步的数据分组。

    Network interface adapter with shared data send resources
    8.
    发明授权
    Network interface adapter with shared data send resources 有权
    具有共享数据的网络接口适配器发送资源

    公开(公告)号:US08051212B2

    公开(公告)日:2011-11-01

    申请号:US10000456

    申请日:2001-12-04

    IPC分类号: G06F15/16

    CPC分类号: G06F13/1605 H04L49/90

    摘要: A network interface adapter includes an outgoing packet generator, adapted to generate an outgoing request packet for delivery to a remote responder responsive to a request submitted by a host processor and a network output port, coupled to transmit the outgoing request packet over a network to the remote responder. A network input port receives an incoming response packet from the remote responder, in response to the outgoing request packet sent thereto, as well as an incoming request packet sent by a remote requester. An incoming packet processor receives and processes both the incoming response packet and the incoming request packet, and causes the outgoing packet generator, responsive to the incoming request packet, to generate, in addition to the outgoing request packet, an outgoing response packet for transmission to the remote requester.

    摘要翻译: 网络接口适配器包括输出分组生成器,其适于响应于由主处理器和网络输出端口提交的请求而生成用于传送到远程响应者的输出请求分组,所述请求被耦合以通过网络将所述输出请求分组传送到 远程响应者。 网络输入端口响应于向其发送的传出请求分组以及由远程请求者发送的传入请求分组,从远程应答器接收传入响应分组。 输入分组处理器接收并处理输入响应分组和传入请求分组,并且响应于传入请求分组使输出分组生成器除了输出请求分组之外还生成用于传输的输出响应分组 远程请求者。

    Handling multiple network transport service levels with hardware and software arbitration
    9.
    发明授权
    Handling multiple network transport service levels with hardware and software arbitration 有权
    通过硬件和软件仲裁处理多个网络传输服务级别

    公开(公告)号:US07676597B2

    公开(公告)日:2010-03-09

    申请号:US10052435

    申请日:2002-01-23

    IPC分类号: G06F15/173

    CPC分类号: G06F13/1605 H04L49/90

    摘要: An interface adapter for a packet network includes a first plurality of execution engines, coupled to a host interface so as to read from a memory work items corresponding to messages to be sent over the network, and to generate gather entries defining packets to be transmitted over the network responsive to the work items. A scheduling processor assigns the work items to the execution engines for generation of the gather entries. Switching circuitry couples the execution engines to a plurality of gather engines, which generate the packets responsive to the gather entries.

    摘要翻译: 用于分组网络的接口适配器包括第一多个执行引擎,耦合到主机接口,以从存储器中读取与通过网络发送的消息相对应的工作项,并且生成定义要发送的分组的收集条目 网络响应工作项。 调度处理器将工作项目分配给执行引擎以生成收集条目。 切换电路将执行引擎耦合到多个收集引擎,其收集响应于收集条目的分组。

    Sharing a network interface card among multiple hosts
    10.
    发明授权
    Sharing a network interface card among multiple hosts 有权
    在多台主机之间共享网络接口卡

    公开(公告)号:US07245627B2

    公开(公告)日:2007-07-17

    申请号:US10127710

    申请日:2002-04-23

    IPC分类号: H04L12/56

    摘要: A network interface device includes a fabric interface, adapted to exchange messages over a switch fabric with a plurality of host processors, the messages containing data, and a network interface, including one or more ports adapted to be coupled to a network external to the switch fabric. Message processing circuitry is coupled between the fabric interface and the network interface, so as to enable at least first and second host processors among the plurality of the host processors to use a single one of the ports substantially simultaneously so as to transmit and receive frames containing the data over the network.

    摘要翻译: 网络接口设备包括:结构接口,适于通过交换结构与多个主处理器交换消息,所述消息包含数据,以及网络接口,包括一个或多个适于耦合到交换机外部的网络的端口 布。 消息处理电路耦合在结构接口和网络接口之间,以使多个主机处理器中的至少第一和第二主处理器基本上同时使用单个端口,以便发送和接收包含 网络上的数据。