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    Method and apparatus for improving the efficiency of interrupt delivery at runtime in a network system
    31.
    发明授权
    Method and apparatus for improving the efficiency of interrupt delivery at runtime in a network system 有权
    一种提高网络系统运行时中断传输效率的方法和装置

    公开(公告)号：US08838864B2

    公开(公告)日：2014-09-16

    申请号：US13657991

    申请日：2012-10-23

    Applicant: Intel Corporation

    Inventor： Yadong Li ,  Sujoy Sen

    IPC: G06F13/24 ,  G06F9/38 ,  H04L12/861 ,  G06F9/00 ,  G06F15/16

    CPC classification number: G06F9/3861 ,  G06F13/24 ,  H04L49/90

    Abstract: Processor affinity of an application/thread may be used to deliver an interrupt caused by the application/thread to a best processor at runtime. The processor to which the interrupt is delivered may either run the target application/thread or be located in the same socket as the processor that runs the target application/thread. The processor affinity of the application/thread may be pushed down at runtime to a network device, a chipset, a memory control hub (“MCH”), or an input/output hub (“IOH”), which will facilitate delivery of the interrupt using that affinity information.

    Abstract translation: 应用程序/线程的处理器亲和性可能用于在运行时将由应用程序/线程引起的中断传递到最佳处理器。 发送中断的处理器可以运行目标应用程序/线程，也可以位于与运行目标应用程序/线程的处理器相同的套接字中。 应用/线程的处理器亲和性可以在运行时被推下到网络设备，芯片组，存储器控制中枢（“MCH”）或输入/输出集线器（“IOH”），这将有利于 中断使用该亲和度信息。

    Disaggregated computing for distributed confidential computing environment
    33.
    发明授权
    Disaggregated computing for distributed confidential computing environment 有权

    公开(公告)号：US12229605B2

    公开(公告)日：2025-02-18

    申请号：US18538171

    申请日：2023-12-13

    Applicant: Intel Corporation

    Inventor： Reshma Lal ,  Pradeep Pappachan ,  Luis Kida ,  Soham Jayesh Desai ,  Sujoy Sen ,  Selvakumar Panneer ,  Robert Sharp

    IPC: G06F9/50 ,  G06F9/38 ,  G06T1/20 ,  G06T1/60

    Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes one or more processors to facilitate receiving a manifest corresponding to graph nodes representing regions of memory of a remote client machine, the graph nodes corresponding to a command buffer and to associated data structures and kernels of the command buffer used to initialize a hardware accelerator and execute the kernels, and the manifest indicating a destination memory location of each of the graph nodes and dependencies of each of the graph nodes; identifying, based on the manifest, the command buffer and the associated data structures to copy to the host memory; identifying, based on the manifest, the kernels to copy to local memory of the hardware accelerator; and patching addresses in the command buffer copied to the host memory with updated addresses of corresponding locations in the host memory.

    Disaggregated computing for distributed confidential computing environment
    35.
    发明授权
    Disaggregated computing for distributed confidential computing environment 有权

    公开(公告)号：US11941457B2

    公开(公告)日：2024-03-26

    申请号：US17525143

    申请日：2021-11-12

    Applicant: Intel Corporation

    Inventor： Reshma Lal ,  Pradeep Pappachan ,  Luis Kida ,  Soham Jayesh Desai ,  Sujoy Sen ,  Selvakumar Panneer ,  Robert Sharp

    IPC: G06F9/50 ,  G06F9/38 ,  G06T1/20 ,  G06T1/60

    CPC classification number: G06F9/5083 ,  G06F9/3814 ,  G06F9/5027 ,  G06T1/20 ,  G06T1/60

    Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a source remote direct memory access (RDMA) network interface controller (RNIC); a queue to store a data entry corresponding to an RDMA request between the source RNIC and a sink RNIC; a data buffer to store data for an RDMA transfer corresponding to the RDMA request, the RDMA transfer between the source RNIC and the sink RNIC; and a trusted execution environment (TEE) comprising an authentication tag controller to: initialize a first authentication tag calculated using a first key known between a source consumer generating the RDMA request and the source RNIC; associate the first authentication tag with the data entry as integrity verification; initialize a second authentication tag calculated using a second key; and associate the second authentication tag with the data buffer as integrity verification for the data buffer.

    Technologies for RDMA queue pair QOS management
    37.
    发明授权
    Technologies for RDMA queue pair QOS management 有权

    公开(公告)号：US11467873B2

    公开(公告)日：2022-10-11

    申请号：US16524448

    申请日：2019-07-29

    Applicant: Intel Corporation

    Inventor： Mrittika Ganguli ,  Neerav Parikh ,  Robert Sharp ,  Sujoy Sen

    IPC: G06F9/50 ,  G06F9/455 ,  G06F15/173

    Abstract: Technologies for remote direct memory access (RDMA) queue pair quality of service (QoS) management are disclosed. In the illustrative embodiment, several queue pairs associated with a virtual machine on a compute sled may be created in a network interface controller of the compute sled. A QoS parameter such as a class of service identifier or a weighting may be assigned to each queue pair such that each queue pair has a different available bandwidth. The compute sled may also predict future RDMA queue pair bandwidth usage and adjust RDMA queue pair bandwidth allocation based on the prediction.

    DISAGGREGATED COMPUTING FOR DISTRIBUTED CONFIDENTIAL COMPUTING ENVIRONMENT
    39.
    发明申请
    DISAGGREGATED COMPUTING FOR DISTRIBUTED CONFIDENTIAL COMPUTING ENVIRONMENT 有权

    公开(公告)号：US20220100583A1

    公开(公告)日：2022-03-31

    申请号：US17532562

    申请日：2021-11-22

    Applicant: Intel Corporation

    Inventor： Reshma Lal ,  Pradeep Pappachan ,  Luis Kida ,  Soham Jayesh Desai ,  Sujoy Sen ,  Selvakumar Panneer ,  Robert Sharp

    IPC: G06F9/50 ,  G06T1/60 ,  G06T1/20 ,  G06F9/38

    Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a programmable integrated circuit (IC) comprising secure device manager (SDM) hardware circuitry to: receive a tenant bitstream of a tenant and a tenant use policy for utilization of the programmable IC via the tenant bitstream, wherein the tenant use policy is cryptographically bound to the tenant bitstream by a cloud service provider (CSP) authorizing entity and signed with a signature of the CSP authorizing entity; in response to successfully verifying the signature, extract the tenant use policy to provide to a policy manager of the programmable IC for verification; in response to the policy manager verifying the tenant bitstream based on the tenant use policy, configure a partial reconfiguration (PR) region of the programable IC using the tenant bitstream; and associate a slot ID of the PR region with the tenant use policy.

    DISAGGREGATED COMPUTING FOR DISTRIBUTED CONFIDENTIAL COMPUTING ENVIRONMENT
    40.
    发明申请
    DISAGGREGATED COMPUTING FOR DISTRIBUTED CONFIDENTIAL COMPUTING ENVIRONMENT 有权

    公开(公告)号：US20220100579A1

    公开(公告)日：2022-03-31

    申请号：US17525143

    申请日：2021-11-12

    Applicant: Intel Corporation

    Inventor： Reshma Lal ,  Pradeep Pappachan ,  Luis Kida ,  Soham Jayesh Desai ,  Sujoy Sen ,  Selvakumar Panneer ,  Robert Sharp

    IPC: G06F9/50 ,  G06T1/60 ,  G06T1/20 ,  G06F9/38

    Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a source remote direct memory access (RDMA) network interface controller (RNIC); a queue to store a data entry corresponding to an RDMA request between the source RNIC and a sink RNIC; a data buffer to store data for an RDMA transfer corresponding to the RDMA request, the RDMA transfer between the source RNIC and the sink RNIC; and a trusted execution environment (TEE) comprising an authentication tag controller to: initialize a first authentication tag calculated using a first key known between a source consumer generating the RDMA request and the source RNIC; associate the first authentication tag with the data entry as integrity verification; initialize a second authentication tag calculated using a second key; and associate the second authentication tag with the data buffer as integrity verification for the data buffer.

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