Dell Products Inc.

Shyam T Iyer

Srikrishna Ramaswamy

Gaurav Chawla

Anh Dinh Luong

Srinivas Giri Raju Gowda

Duk Moon Kim

William Price Dawkins

Kevin Thomas Marks

Robert Wayne Hormuth

Michael Karl Molloy

Srinivas G Gowda

A node that includes data processing unit (DPU) and a processor, where the processor is configured to perform a method for utilizing a data processing unit (DPU), that includes identifying, by the DPU, a processing entity operatively connected to the DPU, receiving processing entity properties from the processing entity, storing the processing entity properties in a processing entity catalog, generating a virtual combined memory space in the processing entity catalog, and providing access to the processing entity catalog to a BIOS.

Systems and methods for operating data processing units

A data mover selection system includes a fabric manager system coupled to computing devices that are coupled to a memory system. The fabric manager system receives respective local data mover selection information from the computing devices that identifies data mover device(s) accessible to those computing device, and generates global data mover selection information that includes each data mover device accessible to the computing devices. When the fabric manager system receives a first data transfer request to transfer data between first and second memory locations in the memory system, it uses the global data mover selection information to identify a data mover device having the highest priority for performing data transfers between the first and second memory locations in the memory system, and transmits a first data transfer instruction to that data mover device to cause that data mover device to perform the first data transfer operation.

Data mover selection system

A data mover selection system includes a memory system coupled to first and second data mover devices, and an operating system coupled to the first and second data mover devices. The operating system determines that a first data transfer operation provides for the transfer of data between first and second memory locations in the memory system, and identifies the first data mover device for performing the first data transfer operation based on the first data mover device having a higher priority relative to the second data mover device for performing data transfers between the first and second memory locations in the memory system. In response, the operating system transmits a first data transfer instruction to the first data mover device that causes the first data mover device to perform the first data transfer operation to transfer data between the first and second memory locations in the memory system.

An I/O device selection system includes a memory system, I/O devices that are coupled to the memory system; and an I/O scheduler that is coupled to the I/O devices. The I/O scheduler receives an I/O request that that is directed to the memory system, and determines at least one I/O operation that is configured to satisfy the I/O request. The I/O scheduler then identifies an operating level of the I/O devices that are configured to perform the at least one I/O operation and, based on the operating level of the I/O devices, selects a subset of the I/O devices for performing the at least one I/O operation, and transmits at least one I/O operation instruction that is configured to cause the subset of the I/O devices to perform the at least one I/O operation in order to satisfy the I/O request.

Input/output device selection system

Systems and methods for I/O acceleration in a virtualized system include receiving, at a hypervisor from an application executing under a guest OS, a request to write new data to a RAID system, redirecting the request to the VSA owning the RAID drives, moving the new data from guest OS physical address space to VSA physical address space, preparing, by a RAID driver in the VSA, the new data for writing according to a RAID redundancy policy, reading, by the RAID driver into a first buffer, old data and old parity information, performing, by an architectural data mover, inline XOR copy operations to compute a difference between the old and new data, compute new parity information, and write the difference and new parity information into the second buffer, and writing, by the RAID driver, the difference and new parity information to the RAID system using the redundancy policy.

Architectural data mover for RAID XOR acceleration in a virtualized storage appliance

In accordance with embodiments of the present disclosure, a method may include responsive to issuance of, by an application executing on a virtual machine of a hypervisor executing on a processor subsystem of an information handling system, an instruction triggering a virtual machine exit of the virtual machine, invoking a virtual machine exit handler of the hypervisor to handle the instruction. The method may also include determining by the virtual machine exit handler whether the instruction has a characteristic indicating that the instruction should be handled by a hardware accelerator device of the information handling system communicatively coupled to the processor subsystem and responsive to determining that the instruction has a characteristic indicating that the instruction should be handled by the hardware accelerator device, offloading by the virtual machine exit handler processing of the instruction to the hardware accelerator device.

Systems and methods for hypervisor-assisted hardware accelerator offloads in a virtualized information handling system environment

A method may include receiving one or more monitoring event definitions at an accelerator device from a first logical software entity to a first endpoint of the accelerator device having the first endpoint assigned for access by the first logical software entity, a second endpoint assigned to a second logical software entity such that second endpoint appears to the second logical software entity as a logical hardware adapter, and a third endpoint assigned to a third logical software entity, the accelerator device for accelerating data transfer operations between the second logical software entity and the third logical software entity via the second endpoint and the third endpoint. The method may also include monitoring by the accelerator device for one or more defined monitoring events occurring during the data transfer operations and communicating monitoring information to the first logical software entity from the accelerator device via the first endpoint.

Systems and methods for traffic monitoring in a virtualized software defined storage architecture

In accordance with embodiments of the present disclosure, an information handling system may include a processor subsystem having access to a memory subsystem and a device communicatively coupled to the processor subsystem, the device having an endpoint assigned for access by a container executing on the processor subsystem such that the endpoint appears to the container as a logical hardware adapter. The device may be configured to receive an inter-process communication from the container via the endpoint, the inter-process communication intended for a target container, analyze the inter-process communication to determine if the container has permissions for communicating the inter-process communication to the target container, and communicate the inter-process communication to the target container responsive to determining that the container has permissions for communicating the inter-process communication to the target container.

Systems and methods for hardware-based security for inter-container communication

In accordance with embodiments of the present disclosure, a method may include receiving by a proxy server executing on a processor subsystem an input/output request from an application executing on a first virtual machine of a hypervisor, wherein the hypervisor is executing on the processor subsystem, determining whether the proxy server is capable of handling the input/output request, responsive to determining that the proxy server is incapable of handling the input/output request, communicating the input/output request to the accelerator device, wherein the accelerator device is configured to accelerate data transfer operations between the first virtual machine and a storage virtual appliance executing as a second virtual machine of the hypervisor, and responsive to determining that the proxy server is capable of handling the input/output request, emulating to the hypervisor the functionality of the accelerator device with respect to the input/output request.

Systems and methods for protocol termination in a host system driver in a virtualized software defined storage architecture

In accordance with embodiments of the present disclosure, a method of transmitting data in an information handling system may include receiving, at a hardware logic device from a host system processor of the information handling system, an input/output (I/O) command; storing the I/O command in a controller memory of the hardware logic device that emulates to the host system processor a controller memory of a memory storage device; communicating a notification of the I/O command to a plurality of memory storage devices communicatively coupled to the hardware logic device; coalescing a plurality of command fetch requests received from individual memory storage devices of the plurality of memory storage devices into a coalesced command fetch request; communicating the coalesced command fetch request to the controller memory; and duplicating a command fetch response from the controller memory of the coalesced command fetch request to the plurality of memory storage devices.

Systems and methods for hardware-based RAID acceleration

In accordance with embodiments of the present disclosure, a method of transmitting data in an information handling system may include receiving, at a hardware logic device from a plurality of memory storage devices communicatively coupled to the hardware logic device, a plurality of command fetch requests; analyzing metadata associated with each of the plurality of command fetch requests in order to serialize the plurality of command fetch requests in a chronological order; and communicating the coalesced command fetch requests in the chronological order to a memory having stored thereon commands responsive to the coalesced command fetch requests.

Systems and methods for hardware-based raid acceleration for variable-length and out-of-order transactions

In accordance with embodiments of the present disclosure, a method may include receiving an input/output command from an application executing on a virtual machine of a hypervisor, wherein the hypervisor executes on a processor subsystem, determining if the input/output command meets a predefined criteria for trapping the input/output command, and responsive to determining that the input/output command meets a predefined criteria for trapping the input/output command, bypassing a storage stack of the hypervisor by passing the input/output command to an endpoint of an accelerator device assigned for access to the hypervisor.

Systems and methods for providing a lower-latency path in a virtualized software defined storage architecture

In accordance with embodiments of the present disclosure, an information handling system may include a processor subsystem having access to a memory subsystem and a device communicatively coupled to the processor subsystem, the device having an endpoint assigned for access by an operating system executing on the processor subsystem such that the endpoint appears to the operating system as a logical hardware adapter, wherein the device is configured to discover a private device coupled to the device, enumerate the private device as a managed device of the device, and map a portion of a virtual address space of an operating system executing on the processor subsystem to the private device, such that the private device is abstracted to the operating system as a virtual memory address of the operating system.

Systems and methods for discovering private devices coupled to a hardware accelerator

Methods and systems for I/O acceleration on a virtualized information handling system include loading a storage virtual appliance as a virtual machine on a hypervisor. The hypervisor may execute using a first processor and a second processor. The storage virtual appliance is accessed by the hypervisor using a PCI-E device driver that is mapped to a first PCI-E NTB logical endpoint at the first processor. A second PCI-E device driver may be loaded on the storage virtual appliance that accesses the hypervisor and is mapped to a second PCI-E NTB logical endpoint at the second processor. A data transfer operation may be executed between a first memory space that is mapped to the first PCI-E NTB logical endpoint and a second memory space that is mapped to the second PCI-E NTB logical endpoint. The data transfer operation may be a read or a write operation.

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Austin, TX, United States of America

Shyam T Iyer