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1. 发明授权

US08028071B1 TCP/IP offload engine virtualization system and methods 有权
标题翻译： TCP / IP卸载引擎虚拟化系统和方法
公开(公告)号：US08028071B1
公开(公告)日：2011-09-27
申请号：US11705842
申请日：2007-02-14
申请人： Mallik Mahalingam , Ramu Arunachalam , Walter Andrew Lambeth
发明人： Mallik Mahalingam , Ramu Arunachalam , Walter Andrew Lambeth
IPC分类号： G06F15/16 , G06F9/455 , H04L12/28
CPC分类号： G06F9/45558 , G06F2009/45595 , H04L69/32
摘要： A virtual computer system enabling dynamic, aggregated use of multiple TCP/IP offload engines (TOEs) by the set of guest computer systems hosted on the virtual computer system. Each of the guest computer systems includes an offload selection switch and the associated virtual machine monitor includes a first virtual context component. Second virtual context components are associated with a set of TCP/IP stacks and TOEs and interoperate with the first virtual context components to establish a virtual routing of network connections between the offload selection switches and the TOEs. The virtual context mapping retains the initially requested network connection information as well as the resolved virtual network connection established, thereby allowing the initial network connection request to be internally reapplied as required to accommodate dynamic changes in the network protocol parameters of the TOEs.
摘要翻译：虚拟计算机系统，能够通过托管在虚拟计算机系统上的一组访客计算机系统来动态地，聚合地使用多个TCP / IP卸载引擎（TOE）。每个客户计算机系统包括卸载选择开关，并且相关联的虚拟机监视器包括第一虚拟上下文组件。第二虚拟上下文组件与一组TCP / IP堆栈和TOE相关联，并与第一虚拟上下文组件互操作以在卸载选择交换机和TOE之间建立网络连接的虚拟路由。虚拟上下文映射保留初始请求的网络连接信息以及所建立的解析的虚拟网络连接，从而允许根据需要在内部重新应用初始网络连接请求，以适应TOE的网络协议参数的动态变化。

2. 发明授权

US07831739B2 Partial copying of data to transmit buffer for virtual network device 有权
标题翻译：将数据部分复制到虚拟网络设备的发送缓冲区
公开(公告)号：US07831739B2
公开(公告)日：2010-11-09
申请号：US12639590
申请日：2009-12-16
申请人： Walter Andrew Lambeth , Mallik Mahalingam
发明人： Walter Andrew Lambeth , Mallik Mahalingam
IPC分类号： G06F15/173
CPC分类号： G06F9/45558 , G06F2009/45595
摘要： In a virtualized computer system, a network frame is transmitted from a virtual machine using a network interface device, possibly through a virtual switch, by copying only a part of the network frame to the transmit buffers that have pre-translated mappings from guest physical addresses to hypervisor virtual addresses and to machine addresses. The length of the part of the network frame that is copied to the transmit buffers may be variable.
摘要翻译：在虚拟化计算机系统中，可以通过虚拟交换机使用网络接口设备从虚拟机发送网络帧，通过仅将网络帧的一部分复制到具有来自客体物理地址的预翻译映射的发送缓冲器到管理程序虚拟地址和机器地址。复制到发送缓冲区的网络帧的一部分的长度可能是可变的。

3. 发明授权

US07657659B1 Partial copying of data to transmit buffer for virtual network device 有权
公开(公告)号：US07657659B1
公开(公告)日：2010-02-02
申请号：US11565029
申请日：2006-11-30
申请人： Walter Andrew Lambeth , Mallik Mahalingam
发明人： Walter Andrew Lambeth , Mallik Mahalingam
IPC分类号： G06F15/173
CPC分类号： G06F9/45558 , G06F2009/45595
摘要： In a virtualized computer system, a network frame is transmitted from a virtual machine using a network interface device, possibly through a virtual switch, by copying only a part of the network frame to the transmit buffers that have pre-translated mappings from guest physical addresses to hypervisor virtual addresses and to machine addresses. The length of the part of the network frame that is copied to the transmit buffers may be variable.

4. 发明授权

US08478924B2 Interrupt coalescing for outstanding input/output completions 有权
标题翻译：中断合并为突出的输入/输出完成
公开(公告)号：US08478924B2
公开(公告)日：2013-07-02
申请号：US12766369
申请日：2010-04-23
申请人： Irfan Ahmad , Maxime Austruy , Mallik Mahalingam
发明人： Irfan Ahmad , Maxime Austruy , Mallik Mahalingam
IPC分类号： G06F13/24
CPC分类号： G06F13/24 , G06F3/0659 , G06F9/45558 , G06F9/4812 , G06F2009/45579 , G06F2213/2406 , G06F2213/2408 , H04L47/10
摘要： In a computer system, a method of controlling coalescence of interrupts includes dynamically basing a current level of interrupt coalescing upon a determination of outstanding input/output (I/O) commands for which corresponding I/O completions have not been received. Deliveries of interrupts are executed on the basis of the current level and in an absence of enabling timing-triggered delivery of an interrupt.
摘要翻译：在计算机系统中，一种控制中断聚合的方法包括在确定尚未接收到相应的I / O完成的未完成的输入/输出（I / O）命令时动态地基于中断合并的当前级别。中断的传递是在当前级别的基础上执行的，并且没有启用定时触发的中断传递。

5. 发明授权

US08453143B2 Reducing the latency of virtual interrupt delivery in virtual machines 有权
标题翻译：减少虚拟机虚拟中断传送的延迟
公开(公告)号：US08453143B2
公开(公告)日：2013-05-28
申请号：US11857964
申请日：2007-09-19
申请人： Mallik Mahalingam , Boris Weissman
发明人： Mallik Mahalingam , Boris Weissman
IPC分类号： G06F9/455 , G06F13/24
CPC分类号： G06F9/4812 , G06F9/45537 , G06F9/45558 , G06F2009/45575
摘要： The latency of virtual interrupt delivery in virtual machines is reduced by normalizing and exposing the virtual interrupt routing information of each VM to a privileged domain such as the VMkernel in an organized manner to enable virtual interrupt delivery that minimizes the number of VCPU hops. A computer implemented method of processing the virtual I/O request comprises receiving the virtual I/O request, responsive to completing a physical I/O corresponding to the virtual I/O request, referring to a virtual CPU set including information on a destination virtual CPU designated by the guest operating system for handling a virtual interrupt corresponding to the virtual I/O request, and generating the virtual interrupt corresponding to the virtual I/O request to the destination virtual CPU determined by referring to the virtual CPU set.
摘要翻译：通过以有组织的方式标准化并将每个VM的虚拟中断路由信息暴露给诸如VMkernel的特权域来实现虚拟中断传送的延迟，以实现使VCPU跳数最小化的虚拟中断传递。处理虚拟I / O请求的计算机实现的方法包括：响应于完成与虚拟I / O请求对应的物理I / O，参考包括关于虚拟I / O请求的信息的虚拟CPU集合来接收虚拟I / O请求由客户操作系统指定的用于处理与虚拟I / O请求相对应的虚拟中断的CPU，并且通过参考虚拟CPU集合生成与虚拟I / O请求相对应的虚拟中断到目的地虚拟CPU。

6. 发明授权

US07945436B2 Pass-through and emulation in a virtual machine environment 有权
标题翻译：虚拟机环境中的传递和仿真
公开(公告)号：US07945436B2
公开(公告)日：2011-05-17
申请号：US12179402
申请日：2008-07-24
申请人： Boon Seong Ang , Mallik Mahalingam , Ronghua Zhang , Andrew Lambeth
发明人： Boon Seong Ang , Mallik Mahalingam , Ronghua Zhang , Andrew Lambeth
IPC分类号： G06F9/455
CPC分类号： G06F9/45558 , G06F2009/45579
摘要： A virtual device emulated in software and included in a virtual machine is provided in a virtualized computer system. The virtual device includes an emulation mode and a pass through mode. The emulation mode is used for a first plurality of device operations. The pass through mode is used for a second plurality of device operations. The virtual device is configured to communicate with a physical device and each of the second plurality of device operations are configured to be handled by the physical device. The virtual device also includes a switching logic to switch between the emulation mode and the pass through mode based on a device operation to be performed by the virtual machine of the virtual device.
摘要翻译：在虚拟化计算机系统中提供以软件模拟并且包括在虚拟机中的虚拟设备。虚拟设备包括仿真模式和通过模式。仿真模式用于第一多个设备操作。通过模式用于第二多个设备操作。虚拟设备被配置为与物理设备通信，并且第二多个设备操作中的每一个被配置为由物理设备处理。虚拟设备还包括基于要由虚拟设备的虚拟机执行的设备操作的在仿真模式和通过模式之间切换的切换逻辑。

7. 发明授权

US06775673B2 Logical volume-level migration in a partition-based distributed file system 失效
标题翻译：基于分区的分布式文件系统中的逻辑卷级迁移
公开(公告)号：US06775673B2
公开(公告)日：2004-08-10
申请号：US10024941
申请日：2001-12-19
申请人： Mallik Mahalingam , Zheng Zhang , Christos Karamanolis , Daniel A. Muntz
发明人： Mallik Mahalingam , Zheng Zhang , Christos Karamanolis , Daniel A. Muntz
IPC分类号： G06F1730
CPC分类号： G06F17/30067 , G06F3/0607 , G06F3/0643 , G06F3/0647 , G06F3/067 , H04L67/1095 , H04L67/1097 , Y10S707/99953
摘要： Method and system for migrating a logical volumes in a distributed file system having multiple partitions servers. Each partition server owns one or more volumes, and each volume including a subset of logically related objects of the file system. In response to a migration request that requests migration of a selected logical volume from a source partition server to the target partition server, an ownership map is updated to indicate the selected logical volume is owned by the target partition server. At the source partition server, forwarding information is stored to reference the target partition server. When the source partition server receives a request for access to the object, the forwarding information is transmitted to the requester.
摘要翻译：用于迁移具有多个分区服务器的分布式文件系统中的逻辑卷的方法和系统。每个分区服务器拥有一个或多个卷，每个卷包括文件系统的逻辑相关对象的子集。响应于请求将所选逻辑卷从源分区服务器迁移到目标分区服务器的迁移请求，更新所有权映射以指示所选逻辑卷由目标分区服务器拥有。在源分区服务器中，存储转发信息以引用目标分区服务器。当源分区服务器接收到对对象的访问请求时，转发信息被发送到请求者。

8. 发明授权

US08056076B1 Method and system for acquiring a quiesceing set of information associated with a virtual machine 有权
标题翻译：用于获取与虚拟机相关联的静止信息集合的方法和系统
公开(公告)号：US08056076B1
公开(公告)日：2011-11-08
申请号：US11478199
申请日：2006-06-29
申请人： Greg Hutchins , Christian Czezatke , Satyam B. Vaghani , Mallik Mahalingam , Shaw Chuang , Bich Le
发明人： Greg Hutchins , Christian Czezatke , Satyam B. Vaghani , Mallik Mahalingam , Shaw Chuang , Bich Le
IPC分类号： G06F9/46 , G06F9/455 , G06F12/00 , G06F12/16 , G06F7/00 , G06F11/00
CPC分类号： G06F9/461 , G06F9/45558 , G06F9/5077 , G06F11/1464 , G06F11/1466 , G06F2009/45562 , G06F2201/84
摘要： A method and system for acquiring a quiesceing set of information associated with a virtual machine. A virtual machine is cloned. The cloned virtual machine has an associated persistent storage device. The state of the persistent storage device is transformed into a quiesced state of the cloned virtual machine by utilizing a shut-down process. The shut-down process is executed on the cloned virtual machine to quiesce the cloned virtual machine and the quiesceing set of information of the cloned virtual machine is automatically reduced to information stored on the persistent storage device.
摘要翻译：一种用于获取与虚拟机相关联的静止信息的集合的方法和系统。一个虚拟机被克隆。克隆的虚拟机具有关联的持久存储设备。永久存储设备的状态通过关闭过程转换为克隆的虚拟机的静止状态。关闭过程在克隆的虚拟机上执行，以暂停克隆的虚拟机，并将克隆的虚拟机的静止信息集自动还原为存储在永久存储设备上的信息。

9. 发明授权

US07555553B2 Placing an object at a node in a peer-to-peer system based on storage utilization 有权
标题翻译：基于存储利用率将对象放置在对等系统中的节点上
公开(公告)号：US07555553B2
公开(公告)日：2009-06-30
申请号：US10260430
申请日：2002-10-01
申请人： Zheng Zhang , Mallik Mahalingam , Zhichen Xu , Wenting Tang
发明人： Zheng Zhang , Mallik Mahalingam , Zhichen Xu , Wenting Tang
IPC分类号： G06F13/00
CPC分类号： H04L61/1552 , G06F17/30067 , H04L29/12132 , H04L29/12811 , H04L61/6009 , H04L67/104 , H04L67/1076 , H04L69/329
摘要： A peer-to-peer system includes a plurality of nodes. The plurality of nodes includes at least an initial node and a neighboring node. The initial node is operable to determine whether to place an object at either the initial node or another node in the system based on a comparison of storage utilizations for the initial node and the neighboring node.
摘要翻译：点对点系统包括多个节点。多个节点至少包括初始节点和相邻节点。初始节点可操作以基于初始节点和相邻节点的存储利用率的比较来确定是将物体放置在系统中的初始节点还是另一个节点处。

10. 发明申请

US20080294808A1 DIRECT ACCESS TO A HARDWARE DEVICE FOR VIRTUAL MACHINES OF A VIRTUALIZED COMPUTER SYSTEM 有权
标题翻译：直接访问虚拟化计算机系统的虚拟机的硬件设备
公开(公告)号：US20080294808A1
公开(公告)日：2008-11-27
申请号：US12124586
申请日：2008-05-21
申请人： Mallik Mahalingam , Michael Nelson
发明人： Mallik Mahalingam , Michael Nelson
IPC分类号： G06F13/28 , G06F9/54
CPC分类号： G06F13/24 , G06F9/45558 , G06F12/0653 , G06F13/105 , G06F2009/45579
摘要： In a virtualized computer system in which a guest operating system runs on a virtual machine of a virtualized computer system, a computer-implemented method of providing the guest operating system with direct access to a hardware device coupled to the virtualized computer system via a communication interface, the method including: (a) obtaining first configuration register information corresponding to the hardware device, the hardware device connected to the virtualized computer system via the communication interface; (b) creating a passthrough device by copying at least part of the first configuration register information to generate second configuration register information corresponding to the passthrough device; and (c) enabling the guest operating system to directly access the hardware device corresponding to the passthrough device by providing access to the second configuration register information of the passthrough device.
摘要翻译：在其中客户操作系统在虚拟化计算机系统的虚拟机上运行的虚拟化计算机系统中，计算机实现的方法是通过通信接口向客户操作系统提供与耦合到虚拟化计算机系统的硬件设备的直接访问所述方法包括：（a）获得与所述硬件设备相对应的第一配置寄存器信息，所述硬件设备经由所述通信接口连接到所述虚拟化计算机系统; （b）通过复制所述第一配置寄存器信息的至少一部分来创建直通设备，以生成与所述直通设备相对应的第二配置寄存器信息; 以及（c）通过提供对直通装置的第二配置寄存器信息的访问，使得客户操作系统能够直接访问与通过设备相对应的硬件设备。

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