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1. 发明申请

US20130159580A1 COOPERATED INTERRUPT MODERATION FOR A VIRTUALIZATION ENVIRONMENT 有权
标题翻译：虚拟化环境的合作中断演变
公开(公告)号：US20130159580A1
公开(公告)日：2013-06-20
申请号：US13516149
申请日：2009-12-17
申请人： YaoZu Dong , Yunhong Jiang , Kun Tian
发明人： YaoZu Dong , Yunhong Jiang , Kun Tian
IPC分类号： G06F9/48
CPC分类号： G06F9/45558 , G06F9/45545 , G06F9/48 , G06F9/4812 , G06F9/5077 , G06F13/24 , G06F2009/45595 , G06F2213/2408 , H04L69/321
摘要： Generally, this disclosure describes systems (and methods) for moderating interrupts in a virtualization environment. An overflow interrupt interval is defined. The overflow interrupt interval is used for triggering activation of an inactive guest so that the guest may respond to a critical event. The guest, including a network application, may be active for a first time interval and inactive for a second time interval. A latency interrupt interval may be defined. The latency interrupt interval is configured for interrupt moderation when the network application associated with a packet flow is active, i.e., when the guest including the network application is active on a processor. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment.
摘要翻译：通常，本公开描述了用于调节虚拟化环境中的中断的系统（和方法）。定义溢出中断间隔。溢出中断间隔用于触发非活动访客的激活，以便客人可以响应关键事件。包括网络应用在内的客户端可以在第一时间间隔内处于活动状态，并且在第二时间间隔内不活动。可以定义延迟中断间隔。当与分组流相关联的网络应用是活动的时，即当包括网络应用在内的客户在处理器上活动时，延迟中断间隔被配置用于中断节制。当然，在不偏离本实施例的情况下，可以进行许多替代，变化和修改。

2. 发明授权

US09176770B2 Cooperated interrupt moderation for a virtualization environment 有权
标题翻译：为虚拟化环境配合中断审核
公开(公告)号：US09176770B2
公开(公告)日：2015-11-03
申请号：US13516149
申请日：2009-12-17
申请人： YaoZu Dong , Yunhong Jiang , Kun Tian
发明人： YaoZu Dong , Yunhong Jiang , Kun Tian
IPC分类号： G06F13/24 , G06F9/48 , G06F9/45 , G06F9/455 , H04L29/08
CPC分类号： G06F9/45558 , G06F9/45545 , G06F9/48 , G06F9/4812 , G06F9/5077 , G06F13/24 , G06F2009/45595 , G06F2213/2408 , H04L69/321
摘要： Generally, this disclosure describes systems (and methods) for moderating interrupts in a virtualization environment. An overflow interrupt interval is defined. The overflow interrupt interval is used for triggering activation of an inactive guest so that the guest may respond to a critical event. The guest, including a network application, may be active for a first time interval and inactive for a second time interval. A latency interrupt interval may be defined. The latency interrupt interval is configured for interrupt moderation when the network application associated with a packet flow is active, i.e., when the guest including the network application is active on a processor. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment.
摘要翻译：通常，本公开描述了用于调节虚拟化环境中的中断的系统（和方法）。定义溢出中断间隔。溢出中断间隔用于触发非活动访客的激活，以便客人可以响应关键事件。包括网络应用在内的客户端可以在第一时间间隔内处于活动状态，并且在第二时间间隔内不活动。可以定义延迟中断间隔。当与分组流相关联的网络应用是活动的时，即当包括网络应用在内的客户在处理器上活动时，延迟中断间隔被配置用于中断节制。当然，在不偏离本实施例的情况下，可以进行许多替代，变化和修改。

3. 发明申请

US20140331221A1 COOPERATED APPROACH TO NETWORK PACKET FILTERING 有权
标题翻译：网络包过滤的合作方法
公开(公告)号：US20140331221A1
公开(公告)日：2014-11-06
申请号：US13882106
申请日：2010-10-28
申请人： Yaozu Dong , Kun Tian
发明人： Yaozu Dong , Kun Tian
IPC分类号： H04L12/931 , G06F9/455
CPC分类号： H04L49/00 , G06F9/45533 , H04L45/00 , H04L63/0245 , H04L63/0263
摘要： An apparatus, system, method, and machine-readable medium are disclosed. In one embodiment the apparatus is a network interface controller that includes one virtual function owned by a virtual machine present in the computer system. The controller includes a simple filtering agent that is associated with the first virtual function. The agent enforces simple filter rules for received network packets. The simple filter rules are capable of blocking the network packets from reaching the virtual machine. The apparatus also includes another virtual function that is owned by a virtual machine monitor present in the computer system. The controller also includes a side bounce filtering agent to forward the first network packet to the second virtual function if the first packet is blocked by the at least one of the one or more simple filter rules.
摘要翻译：公开了一种装置，系统，方法和机器可读介质。在一个实施例中，该装置是包括由计算机系统中存在的虚拟机拥有的一个虚拟功能的网络接口控制器。控制器包括与第一虚拟功能相关联的简单过滤代理。代理对接收到的网络数据包执行简单的过滤规则。简单的过滤规则能够阻止网络数据包到达虚拟机。该装置还包括由计算机系统中存在的虚拟机监视器拥有的另一虚拟功能。如果第一分组被一个或多个简单过滤器规则中的至少一个阻挡，则控制器还包括侧向反弹过滤代理，以将第一网络分组转发到第二虚拟功能。

4. 发明授权

US07360022B2 Synchronizing an instruction cache and a data cache on demand 有权
标题翻译：根据需要同步指令高速缓存和数据高速缓存
公开(公告)号：US07360022B2
公开(公告)日：2008-04-15
申请号：US11322008
申请日：2005-12-29
申请人： Kun Tian , Yaozu Dong
发明人： Kun Tian , Yaozu Dong
IPC分类号： G06F13/28 , G06F13/20
CPC分类号： G06F12/0848
摘要： In one embodiment, the present invention includes a method for performing a direct memory access (DMA) operation in a virtualized environment to obtain a page from a memory and store the page in a data cache, and synchronizing the page in the data cache and an instruction cache if the page implicates instruction information, otherwise not synchronizing the page. In this manner, synchronizations may be performed on demand. Other embodiments are described and claimed.
摘要翻译：在一个实施例中，本发明包括一种用于在虚拟化环境中执行直接存储器访问（DMA）操作以从存储器获得页面并将页面存储在数据高速缓存中并使数据高速缓存中的页面和指令缓存如果页面涉及指令信息，否则不同步页面。以这种方式，可以根据需要执行同步。描述和要求保护其他实施例。

5. 发明授权

US09276875B2 Cooperated approach to network packet filtering 有权
标题翻译：网络包过滤的合作方法
公开(公告)号：US09276875B2
公开(公告)日：2016-03-01
申请号：US13882106
申请日：2010-10-28
申请人： Yaozu Dong , Kun Tian
发明人： Yaozu Dong , Kun Tian
IPC分类号： G06F13/00 , H04L12/931 , H04L12/701 , G06F9/455 , H04L29/06
CPC分类号： H04L49/00 , G06F9/45533 , H04L45/00 , H04L63/0245 , H04L63/0263
摘要： An apparatus, system, method, and machine-readable medium are disclosed. In one embodiment the apparatus is a network interface controller that includes one virtual function owned by a virtual machine present in the computer system. The controller includes a simple filtering agent that is associated with the first virtual function. The agent enforces simple filter rules for received network packets. The simple filter rules are capable of blocking the network packets from reaching the virtual machine. The apparatus also includes another virtual function that is owned by a virtual machine monitor present in the computer system. The controller also includes a side bounce filtering agent to forward the first network packet to the second virtual function if the first packet is blocked by the at least one of the one or more simple filter rules.
摘要翻译：公开了一种装置，系统，方法和机器可读介质。在一个实施例中，该装置是包括由计算机系统中存在的虚拟机拥有的一个虚拟功能的网络接口控制器。控制器包括与第一虚拟功能相关联的简单过滤代理。代理对接收到的网络数据包执行简单的过滤规则。简单的过滤规则能够阻止网络数据包到达虚拟机。该装置还包括由计算机系统中存在的虚拟机监视器拥有的另一虚拟功能。如果第一分组被一个或多个简单过滤器规则中的至少一个阻挡，则控制器还包括侧向反弹过滤代理，以将第一网络分组转发到第二虚拟功能。

6. 发明申请

US20070156969A1 Synchronizing an instruction cache and a data cache on demand 有权
标题翻译：根据需要同步指令高速缓存和数据高速缓存
公开(公告)号：US20070156969A1
公开(公告)日：2007-07-05
申请号：US11322008
申请日：2005-12-29
申请人： Kun Tian , Yaozu Dong
发明人： Kun Tian , Yaozu Dong
IPC分类号： G06F13/28
CPC分类号： G06F12/0848
摘要： In one embodiment, the present invention includes a method for performing a direct memory access (DMA) operation in a virtualized environment to obtain a page from a memory and store the page in a data cache, and synchronizing the page in the data cache and an instruction cache if the page implicates instruction information, otherwise not synchronizing the page. In this manner, synchronizations may be performed on demand. Other embodiments are described and claimed.
摘要翻译：在一个实施例中，本发明包括一种用于在虚拟化环境中执行直接存储器访问（DMA）操作以从存储器获得页面并将页面存储在数据高速缓存中并使数据高速缓存中的页面和指令缓存如果页面涉及指令信息，否则不同步页面。以这种方式，可以根据需要执行同步。描述和要求保护其他实施例。

7. 发明授权

US09547356B2 Context aware power management for graphics devices 有权
标题翻译：图形设备的上下文感知电源管理
公开(公告)号：US09547356B2
公开(公告)日：2017-01-17
申请号：US13977422
申请日：2013-02-28
申请人： Kun Tian , Ke Yu , Yao Zu Dong
发明人： Kun Tian , Ke Yu , Yao Zu Dong
IPC分类号： G06F1/00 , G06F1/32 , G06T1/20 , G06F9/50 , G06F9/46
CPC分类号： G06F1/3218 , G06F1/3293 , G06F1/3296 , G06F9/461 , G06F9/5094 , G06T1/20 , Y02D10/22
摘要： Systems, apparatus and methods are described related to context aware power management for graphics devices.
摘要翻译：描述了与图形设备的上下文感知功率管理相关的系统，装置和方法。

8. 发明授权

US11768781B2 Apparatus and method for memory management in a graphics processing environment 有权
公开(公告)号：US11768781B2
公开(公告)日：2023-09-26
申请号：US17827556
申请日：2022-05-27
申请人： Niranjan L. Cooray , Abhishek R. Appu , Altug Koker , Joydeep Ray , Balaji Vembu , Pattabhiraman K , David Puffer , David J. Cowperthwaite , Rajesh M. Sankaran , Satyeshwar Singh , Sameer Kp , Ankur N. Shah , Kun Tian
发明人： Niranjan L. Cooray , Abhishek R. Appu , Altug Koker , Joydeep Ray , Balaji Vembu , Pattabhiraman K , David Puffer , David J. Cowperthwaite , Rajesh M. Sankaran , Satyeshwar Singh , Sameer Kp , Ankur N. Shah , Kun Tian
IPC分类号： G06F9/455 , G06F9/50 , G06F13/16 , G06F12/1009 , G06F12/1027 , G06F12/1036 , G06F12/0802 , G06F13/40
CPC分类号： G06F13/16 , G06F12/0802 , G06F12/1009 , G06F12/1027 , G06F12/1036 , G06F13/4068 , G06F2212/1024 , G06F2212/302 , G06F2212/60 , G06F2212/68
摘要： An apparatus and method are described for implementing memory management in a graphics processing system. For example, one embodiment of an apparatus comprises: a first plurality of graphics processing resources to execute graphics commands and process graphics data; a first memory management unit (MMU) to communicatively couple the first plurality of graphics processing resources to a system-level MMU to access a system memory; a second plurality of graphics processing resources to execute graphics commands and process graphics data; a second MMU to communicatively couple the second plurality of graphics processing resources to the first MMU; wherein the first MMU is configured as a master MMU having a direct connection to the system-level MMU and the second MMU comprises a slave MMU configured to send memory transactions to the first MMU, the first MMU either servicing a memory transaction or sending the memory transaction to the system-level MMU on behalf of the second MMU.

9. 发明授权

US10467033B2 Enabling efficient nested virtualization 有权
公开(公告)号：US10467033B2
公开(公告)日：2019-11-05
申请号：US13997888
申请日：2011-12-22
申请人： Kun Tian , Yao Zu Dong
发明人： Kun Tian , Yao Zu Dong
IPC分类号： G06F9/455
摘要： Embodiments of the invention enable dynamic level boosting of operations across virtualization layers to enable efficient nested virtualization. Embodiments of the invention execute a first virtual machine monitor (VMM) to virtualize system hardware. A nested virtualization environment is created by executing a plurality of upper level VMMs via virtual machines (VMs). These upper level VMMs are used to execute an upper level virtualization layer including an operating system (OS).During operation of the above described nested virtualization environment, a privileged instruction issued from an OS is trapped and emulated via the respective upper level VMM (i.e., the VMM that creates the VM for that OS). Embodiments of the invention enable the emulation of the privileged instruction via a lower level VMM. In some embodiments, the emulated instruction is executed via the first VMM with little to no involvement of any intermediate virtualization layers residing between the first and upper level VMMs.

10. 发明授权

US09619860B2 Hybrid on-demand graphics translation table shadowing 有权
公开(公告)号：US09619860B2
公开(公告)日：2017-04-11
申请号：US14777738
申请日：2014-12-24
申请人： Yao Zu Dong , Xiao Zheng , Kun Tian
发明人： Yao Zu Dong , Xiao Zheng , Kun Tian
IPC分类号： G06F12/1009 , G06F9/455 , G06T1/60 , G06F12/10
CPC分类号： G06T1/60 , G06F9/455 , G06F9/45533 , G06F9/45558 , G06F12/10 , G06F12/1009 , G06F12/1081 , G06F2009/45562 , G06F2009/45591 , G06F2212/1016 , G06F2212/151 , G06F2212/302
摘要： In several embodiments, a graphics processor couples to a virtual machine monitor (VMM) to present a virtual graphics processor to one or more virtual machines. A mediator for the virtual graphics processor synchronously shadows modifications to a guest graphics translation table (GTT) of a virtual machine to a shadow GTT of the VMM using trap and emulate virtualization. If the mediator detects a frequency of modifications to the guest GTT that exceeds a threshold the mediator may then asynchronously shadow at least a portion of the guest GTT to the shadow GTT and rebuild the shadow GTT prior to submitting commands for the virtual graphics processor to the graphics processor.

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