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11. 发明授权

US07149220B2 System, method, and product for managing data transfers in a network 有权
公开(公告)号：US07149220B2
公开(公告)日：2006-12-12
申请号：US10132456
申请日：2002-04-25
申请人： Bruce Leroy Beukema , Thomas Anthony Gregg , Danny Marvin Neal , Renato John Recio
发明人： Bruce Leroy Beukema , Thomas Anthony Gregg , Danny Marvin Neal , Renato John Recio
IPC分类号： H04L12/56
CPC分类号： H04L29/06 , H04L49/90 , H04L69/326
摘要： A method, system, and product in a data processing system are disclosed for managing data transmitted from a first end node to a second end node included in the data processing system. A logical connection is established between the first end node and the second end node prior to transmitting data between the end nodes. An instance number is associated with this particular logical connection. The instance number is included in each packet transmitted between the end nodes while this logical connection remains established. The instance number remains constant during this logical connection. The instance number is altered, such as by incrementing it, each time a logical connection between these end nodes is reestablished. Thus, each packet is associated with a particular instance of the logical connection. When a packet is received, the instance number included in the packet may be used to determine whether the packet is a stale packet transmitted during a previous logical connection between these end nodes.

12. 发明授权

US06990528B1 System area network of end-to-end context via reliable datagram domains 失效
标题翻译：通过可靠的数据报域，端到端上下文的系统区域网络
公开(公告)号：US06990528B1
公开(公告)日：2006-01-24
申请号：US09692354
申请日：2000-10-19
申请人： Danny Marvin Neal , Renato John Recio , Steven Mark Thurber
发明人： Danny Marvin Neal , Renato John Recio , Steven Mark Thurber
IPC分类号： G06F15/16
CPC分类号： G06F3/0659 , G06F3/0605 , G06F3/067
摘要： A method for associating reliable datagram queue pairs with an underlying end-to-end context of a channel adapter is provided. The method comprises storing a reliable datagram domain (RDD) within the context of a reliable datagram queue pair (RD QP). The same RDD is stored within an end-to-end context (EEC). A partitioning key (P—key) is also stored within the EEC. The RDD cannot be accessed by consumer processes. In the case of incoming messages, the P—keys of the incoming data packet and EEC are compared. If P—keys match, then the RDD's of the RD QP and EEC are compared. If the RDD's match, the packet is processed normally. In the case of outgoing messages, the RDD's of the RD QP and EEC are first compared, and if they match, the P—Key of the EEC is inserted into the transport header of the data packet.
摘要翻译：提供了一种用于将可靠数据报队列对与信道适配器的底层端到端上下文相关联的方法。该方法包括在可靠数据报队列对（RD QP）的上下文中存储可靠数据报域（RDD）。相同的RDD存储在端到端上下文（EEC）中。分区键（P _{- 键）也存储在EEC中。消费者进程无法访问RDD。在传入消息的情况下，比较输入数据包和EEC的P _{- 键。如果P _{- 键匹配，则比较RD QP和EEC的RDD。如果RDD匹配，则该分组被正常处理。在传出消息的情况下，首先比较RD QP和EEC的RDD，如果匹配，则将EEC的密钥插入到数据包的传输报头中。}}}

13. 发明授权

US06950945B2 Apparatus and method for intersystem lock optimization 失效
标题翻译：用于系统间锁优化的装置和方法
公开(公告)号：US06950945B2
公开(公告)日：2005-09-27
申请号：US09886187
申请日：2001-06-21
申请人： Gregory Francis Pfister , Renato John Recio , Noshir Cavas Wadia
发明人： Gregory Francis Pfister , Renato John Recio , Noshir Cavas Wadia
IPC分类号： G06F9/46 , H04L29/06 , H04L29/08 , G06F11/30 , G06F12/14 , H04L9/00 , H04L9/32
CPC分类号： G06F9/526 , H04L29/06 , H04L67/12
摘要： An apparatus and method for distributed intersystem lock optimization are provided. With the apparatus and method of the present invention, the time required to obtain an uncontested lock, meaning a lock that no other program or process in the distributed system is simultaneously attempting to acquire, is minimized. The apparatus and method of the present invention increases the speed with which locks are acquired by splitting the process of obtaining a lock into two separate operations: a test for contention, and then if contention exists, a full lock operation. The test for contention is made fast by associating each lock with a memory location, and using an atomic operation or the like, to atomically set the memory location associated with the lock to a different value. If the lock is found to be contested, meaning that another program or process has already locked it, control is turned over to a slower operation than ensures that the lock-requesting program or process will eventually be granted the lock.
摘要翻译：提供了一种用于分布式系统间锁优化的装置和方法。利用本发明的装置和方法，获得无争议锁所需的时间意味着分布式系统中没有其他程序或进程同时尝试获取的锁定被最小化。本发明的装置和方法通过将获得锁的处理分成两个单独的操作来增加锁获取的速度：竞争测试，然后如果存在争用，则提供完全锁定操作。通过将每个锁与存储器位置相关联，并且使用原子操作等来将与锁相关联的存储器位置原子地设置为不同的值来快速进行争用测试。如果锁被发现有争议，意味着另一个程序或进程已经锁定它，则将控制权转换为较慢的操作，而不是确保最终将锁授权程序或进程锁定。

14. 发明授权

US08935333B2 Implementing multicast on a system area network channel adapter 有权
标题翻译：在系统区域网络通道适配器上实现组播
公开(公告)号：US08935333B2
公开(公告)日：2015-01-13
申请号：US09925578
申请日：2001-08-09
申请人： Bruce Leroy Beukema , Gregory Francis Pfister , Renato John Recio , Steven Mark Thurber
发明人： Bruce Leroy Beukema , Gregory Francis Pfister , Renato John Recio , Steven Mark Thurber
IPC分类号： G06F15/16 , G06F15/173 , G06F15/167
CPC分类号： H04L12/18
摘要： An apparatus and method for implementing multicast in system area network channel adapters are provided. With the apparatus and method, a multicast packet is received in a channel adapter of an end node. The channel adapter determines which local queue pairs are party of the multicast group identified by a destination local identifier in the multicast data packet. Based on this determination, the channel adapter replicates the data packet and delivers a copy of the data packet to each local queue pair that is part of the multicast group.
摘要翻译：提供了一种用于在系统区域网络信道适配器中实现多播的装置和方法。利用该装置和方法，在端节点的信道适配器中接收到多播分组。信道适配器确定哪个本地队列对是由多播数据分组中的目的地本地标识符标识的多播组的一方。基于该确定，信道适配器复制数据分组，并将数据分组的副本传递给作为多播组一部分的每个本地队列。

15. 发明授权

US07136907B1 Method and system for informing an operating system in a system area network when a new device is connected 有权
标题翻译：连接新设备时通知系统区域网络中的操作系统的方法和系统
公开(公告)号：US07136907B1
公开(公告)日：2006-11-14
申请号：US09692342
申请日：2000-10-19
申请人： Gregory Michael Nordstrom , Renato John Recio , Gregory Francis Pfister , Orvalle Theodore Kirby , Steven Mark Thurber
发明人： Gregory Michael Nordstrom , Renato John Recio , Gregory Francis Pfister , Orvalle Theodore Kirby , Steven Mark Thurber
IPC分类号： G06F15/177
CPC分类号： G06F15/16
摘要： A method and system are provided for dynamically informing an operating system (OS) of a distributed computer system, when a (new) device is added on the network. An OS registers with the subnet administrator (SA) to be notified when a new component is added to the subnet and placed in a partition to which the OS has access. The subnet manager (SM) initializes and configures the new component that is added and, through the partition manager, associates the component to one or more partitions of the subnet. The SA then notifies the OSs with access to the partition(s) to which the component is associated and that have a right to access the new component that the new component is available to the OS. Following, the OS updates a database of available components to include the new component and establishes communication with the new component.
摘要翻译：当在网络上添加（新）设备时，提供了一种用于动态地通知分布式计算机系统的操作系统（OS）的方法和系统。操作系统向子网管理员（SA）注册，当新组件添加到子网并放置在操作系统可以访问的分区时通知该子网。子网管理器（SM）初始化并配置添加的新组件，并通过分区管理器将组件与子网的一个或多个分区相关联。然后，SA通知操作系统对该组件关联的分区的访问，并且有权访问新组件以使新组件可用于OS。以下，OS更新可用组件的数据库以包括新组件并建立与新组件的通信。

16. 发明授权

US07092401B2 Apparatus and method for managing work and completion queues using head and tail pointers with end-to-end context error cache for reliable datagram 失效
标题翻译：用于使用具有端到端上下文错误缓存的头尾指针来管理工作和完成队列的装置和方法，用于可靠的数据报
公开(公告)号：US07092401B2
公开(公告)日：2006-08-15
申请号：US09999144
申请日：2001-11-15
申请人： David F. Craddock , Thomas Anthony Gregg , Ian David Judd , Gregory Francis Pfister , Renato John Recio
发明人： David F. Craddock , Thomas Anthony Gregg , Ian David Judd , Gregory Francis Pfister , Renato John Recio
IPC分类号： H04L12/28 , H04L12/56 , H04L12/54
CPC分类号： H04L49/901 , H04L12/2801 , H04L49/90 , H04L49/9057
摘要： An apparatus and method for managing reliable datagram work queues, and associated completion queues, using head and tail pointers with end-to-end context error cache are provided. Reliable datagram (RD) queue head and tail pointers are maintained in the channel interface and the host channel adapter. The head and tail pointers in the host channel adapter include a RD queue page table index and a RD queue page index for identifying a position within the RD queue. For RD work queues, in the channel interface, the tail pointer is used to identify a next position where a work queue entry may be written and the head pointer is used only to determine whether the work queue is full. In the host channel adapter, the head pointer is used to identify a next work queue entry for processing and the tail pointer is used to determine if the queue is empty.
摘要翻译：提供了一种用于使用具有端到端上下文错误高速缓存的头和尾指针来管理可靠数据报工作队列和相关联的完成队列的装置和方法。在通道接口和主机通道适配器中维护可靠的数据报（RD）队列头尾指针。主机通道适配器中的头和尾指针包括RD队列页表索引和用于标识RD队列中的位置的RD队列页索引。对于RD工作队列，在通道接口中，尾部指针用于标识可以写入工作队列条目的下一个位置，而头部指针仅用于确定工作队列是否已满。在主机通道适配器中，头指针用于标识用于处理的下一个工作队列条目，并且尾部指针用于确定队列是否为空。

17. 发明授权

US06832297B2 Method and apparatus for managing data in a distributed buffer system 有权
标题翻译：用于在分布式缓冲系统中管理数据的方法和装置
公开(公告)号：US06832297B2
公开(公告)日：2004-12-14
申请号：US09925595
申请日：2001-08-09
申请人： Gregory Francis Pfister , Renato John Recio , Noshir Cavas Wadia
发明人： Gregory Francis Pfister , Renato John Recio , Noshir Cavas Wadia
IPC分类号： G06F1300
CPC分类号： G06F12/0817 , G06F12/0866
摘要： A method, apparatus, and computer implemented instructions for managing a plurality of caches of data, wherein the data processing system includes a plurality of independent computers. In response to initiating a read operation to read data on a data block, an indication is posted on a directory of data blocks identifying the computer that now holds a copy of that block and a location in the memory of that computer where a flag associated with that block is held. Then in response to initiating a write operation on that data block, messages are sent to all the computers holding that block which resets the said flag, thus informing each computer that the data in that block is no longer valid. These messages are sent using means that perform that flag reset without, in the preferred embodiment, any overhead of interruption of processing on the computers where the flags reside.
摘要翻译：一种用于管理多个数据高速缓存的方法，装置和计算机实现的指令，其中所述数据处理系统包括多个独立的计算机。响应于开始读取操作以读取数据块上的数据，将指示张贴在识别现在保存该块的副本的计算机的数据块的目录上，以及与该计算机的存储器中的相关联的位置那个街区是举行的。然后响应于对该数据块发起写入操作，将消息发送到保存该块的所有计算机，该计算机复位所述标志，从而通知每个计算机该块中的数据不再有效。这些消息是使用执行该标志复位的装置发送的，而在优选实施例中，这些消息在标志驻留在计算机上的处理中断的任何开销。

18. 发明授权

US06789143B2 Infiniband work and completion queue management via head and tail circular buffers with indirect work queue entries 失效
标题翻译： Infiniband通过头尾循环缓冲区进行工作和完成队列管理，间接工作队列条目
公开(公告)号：US06789143B2
公开(公告)日：2004-09-07
申请号：US09961922
申请日：2001-09-24
申请人： David F. Craddock , Thomas Anthony Gregg , Ian David Judd , Gregory Francis Pfister , Renato John Recio , Donald William Schmidt
发明人： David F. Craddock , Thomas Anthony Gregg , Ian David Judd , Gregory Francis Pfister , Renato John Recio , Donald William Schmidt
IPC分类号： G06F1300
CPC分类号： G06F9/546
摘要： A distributed computing system having (host and I/O) end nodes, switches, routers, and links interconnecting these components is provided. The end nodes use send and receive queue pairs to transmit and receive messages. The end nodes use completion queues to inform the end user when a message has been completely sent or received and whether an error occurred during the message transmission or reception process. A mechanism implements these queue pairs and completion queues in hardware. A mechanism for controlling the transfer of work requests from the consumer to the CA hardware and work completions from the CA hardware to the consumer using head and tail pointers that reference circular buffers is also provided. The QPs and CQs do not contain Work Queue Entries and Completion Queue Entries respectively, but instead contain references to these entries. This allows them to be efficient and constant in size, while the Work Queue Entries and Completion Queue Entries themselves can vary in size, for example to include a variable number of data segments. Additionally, several mechanisms are provided to improve the overall efficiency of this process under different memory configurations.
摘要翻译：提供了具有（主机和I / O）端节点，交换机，路由器和互连这些组件的链路的分布式计算系统。终端节点使用发送和接收队列对来发送和接收消息。终端节点使用完成队列通知终端用户何时完全发送或接收了消息，以及在消息发送或接收过程中是否发生错误。机制在硬件中实现这些队列对和完成队列。还提供了一种机制，用于控制从消费者到CA硬件的工作请求的传送以及使用引用循环缓冲区的头和尾指针从CA硬件到消费者的完成。 QP和CQ不分别包含工作队列条目和完成队列条目，而是包含对这些条目的引用。这允许它们在高度和大小上是恒定的，而工作队列条目和完成队列条目本身可以在大小上变化，例如包括可变数量的数据段。另外，提供了几种机制以在不同的存储器配置下提高该过程的整体效率。

19. 发明授权

US07093024B2 End node partitioning using virtualization 有权
公开(公告)号：US07093024B2
公开(公告)日：2006-08-15
申请号：US09965005
申请日：2001-09-27
申请人： David F. Craddock , David Arlen Elko , Thomas Anthony Gregg , Gregory Francis Pfister , Renato John Recio , Donald William Schmidt
发明人： David F. Craddock , David Arlen Elko , Thomas Anthony Gregg , Gregory Francis Pfister , Renato John Recio , Donald William Schmidt
IPC分类号： G06F15/173
CPC分类号： H04L45/00 , H04L45/586
摘要： A mechanism for allowing a single physical IB node to virtualize a plurality of host channel adapters is provided. This includes providing the appearance of both a router and multiple virtual HCA's residing behind that router, to the external REAL subnet components. Each virtual host channel adapter will have unique access control levels. One or more InfiniBand subnets are virtualized in such a way that nodes residing both within the virtual subnets and in separate physical subnets are completely unaware of the virtualization. This virtualization of InfiniBand subnets significantly increases the horizontal scaling capabilities of a single InfiniBand physical component, while at the same time provides “native” network throughput for all the virtual hosts.

20. 发明授权

US07099955B1 End node partitioning using LMC for a system area network 有权
标题翻译：对于系统区域网络，使用LMC的端节点分区
公开(公告)号：US07099955B1
公开(公告)日：2006-08-29
申请号：US09692351
申请日：2000-10-19
申请人： Thomas Anthony Gregg , Gregory Francis Pfister , Renato John Recio , Steven Mark Thurber
发明人： Thomas Anthony Gregg , Gregory Francis Pfister , Renato John Recio , Steven Mark Thurber
IPC分类号： G06F15/173
CPC分类号： H04L29/12254 , H04L29/12783 , H04L61/2038 , H04L61/35 , H04L67/1097 , Y10S707/99932
摘要： A method for routing System Area Network (SAN) packets to multiple partitions within a single end node is provided. A range of Local Identification addresses (LIDs) are assigned to a channel adapter port within the SAN. Lower order bits within the LID are then assigned to select the particular partition in the end node. The Local ID Mask Control (LMC) field is used to assign multiple LIDs to a single port, using those low order bits to then route the message to the appropriate partition in the end node.
摘要翻译：提供了将系统区域网（SAN）数据包路由到单个端节点内的多个分区的方法。本地标识地址（LID）的范围被分配给SAN中的通道适配器端口。然后分配LID中的低位位以选择端节点中的特定分区。本地ID掩码控制（LMC）字段用于将多个LID分配给单个端口，使用这些低位位置将消息路由到最终节点中的相应分区。

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