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    UNIFIED HARDWARE AND SOFTWARE TWO-LEVEL MEMORY
    1.
    发明申请
    UNIFIED HARDWARE AND SOFTWARE TWO-LEVEL MEMORY 审中-公开

    公开(公告)号：US20190138457A1

    公开(公告)日：2019-05-09

    申请号：US16235504

    申请日：2018-12-28

    Applicant: INTEL CORPORATION

    Inventor： MOHAN J. KUMAR ,  MURUGASAMY K. NACHIMUTHU

    IPC: G06F12/1009 ,  G06F3/06

    Abstract: Unified hardware and software two-level memory mechanisms and associated methods, systems, and software. Data is stored on near and far memory devices, wherein an access latency for a near memory device is less than an access latency for a far memory device. The near memory devices store data in data units having addresses in a near memory virtual address space, while the far memory devices store data in data units having addresses in a far memory address space, with a portion of the data being stored on both near and far memory devices. In response to memory read access requests, a determination is made to where data corresponding to the request is located on a near memory device, and if so the data is read from the near memory device; otherwise, the data is read from a far memory device. Memory access patterns are observed, and portions of far memory that are frequently accessed are copied to near memory to reduce access latency for subsequent accesses.

    NON-VOLATILE MEMORY EXPRESS OVER FABRIC (NVMeOF) USING VOLUME MANAGEMENT DEVICE
    2.
    发明申请
    NON-VOLATILE MEMORY EXPRESS OVER FABRIC (NVMeOF) USING VOLUME MANAGEMENT DEVICE 审中-公开

    公开(公告)号：US20180337991A1

    公开(公告)日：2018-11-22

    申请号：US15599020

    申请日：2017-05-18

    Applicant: Intel Corporation

    Inventor： MOHAN J. KUMAR ,  MURUGASAMY K. NACHIMUTHU

    IPC: H04L29/08 ,  H04L12/24 ,  H04L29/06

    Abstract: Non-volatile Memory Express over Fabric (NVMeOF) using Volume Management Device (VMD) schemes and associated methods, systems and software. The schemes are implemented in a data center environment including compute resources in compute drawers and storage resources residing in pooled storage drawers that are communicatively couple via a fabric. Compute resources are composed as compute nodes or virtual machines/containers running on compute nodes to utilize remote storage devices in pooled storage drawers, while exposing the remote storage devices as local NVMe storage devices to software running on the compute nodes. This is facilitated by virtualizing the system's storage infrastructure through use of hardware-based components, firmware-based components, or a combination of hardware/firmware- and software-based components. The schemes support the use of remote NVMe storage devices using an NVMeOF protocol and/or use of non-NVMe storage devices using NVMe emulation.

    FIRMWARE-RELATED EVENT NOTIFICATION
    4.
    发明申请
    FIRMWARE-RELATED EVENT NOTIFICATION 审中-公开

    公开(公告)号：US20170161124A1

    公开(公告)日：2017-06-08

    申请号：US15435444

    申请日：2017-02-17

    Applicant: Intel Corporation

    Inventor： SARATHY JAYAKUMAR ,  MOHAN J. KUMAR ,  VINCENT J. ZIMMER ,  RAJESH POORNACHANDRAN

    IPC: G06F9/54

    CPC classification number: G06F9/544 ,  G06F9/542

    Abstract: This disclosure is directed to firmware-related event notification. A device may comprise an operating system (OS) configured to operate on a platform. During initialization of the device a firmware module in the platform may load at least one globally unique identifier (GUID) into a firmware configuration table. When the platform notifies the OS, the firmware module may load at least one GUID into a platform notification table and may set a platform notification bit in a platform notification table status field. Upon detecting the notification, an OS management module may establish a source of the notification by querying the platform notification table. The platform notification bit may cause the OS management module to compare GUIDs in the platform notification table and the firmware configuration table. Services may be called based on any matching GUIDs. If no GUIDs match, the services may be called based on firmware variables in the device.

    UNIFIED HARDWARE AND SOFTWARE TWO-LEVEL MEMORY
    9.
    发明申请
    UNIFIED HARDWARE AND SOFTWARE TWO-LEVEL MEMORY 审中-公开

    公开(公告)号：US20180189188A1

    公开(公告)日：2018-07-05

    申请号：US15396460

    申请日：2016-12-31

    Applicant: Intel Corporation

    Inventor： MOHAN J. KUMAR ,  MURUGASAMY K. NACHIMUTHU

    IPC: G06F12/1009 ,  G06F3/06

    CPC classification number: G06F12/1009 ,  G06F3/0605 ,  G06F3/0631 ,  G06F3/067 ,  G06F2212/152 ,  G06F2212/154 ,  G06F2212/261 ,  G06F2212/263 ,  G06F2212/657

    Abstract: Unified hardware and software two-level memory mechanisms and associated methods, systems, and software. Data is stored on near and far memory devices, wherein an access latency for a near memory device is less than an access latency for a far memory device. The near memory devices store data in data units having addresses in a near memory virtual address space, while the far memory devices store data in data units having addresses in a far memory address space, with a portion of the data being stored on both near and far memory devices. In response to memory read access requests, a determination is made to where data corresponding to the request is located on a near memory device, and if so the data is read from the near memory device; otherwise, the data is read from a far memory device. Memory access patterns are observed, and portions of far memory that are frequently accessed are copied to near memory to reduce access latency for subsequent accesses.

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