Patents by Inventor Pradeep Pappachan
Pradeep Pappachan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11644980Abstract: A computing platform comprising a first computer system including a first host and a first accelerator communicatively coupled to the first host, including a first memory, a first page table to perform a translation of virtual addresses to physical addresses in the first memory and a first trusted agent to validate the address translations.Type: GrantFiled: June 22, 2021Date of Patent: May 9, 2023Assignee: Intel CorporationInventors: Pradeep Pappachan, Reshma Lal
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Patent number: 11599621Abstract: Systems, methods, and apparatuses relating to performing an attachment of an input-output memory management unit (IOMMU) to a device, and a verification of the attachment. In one embodiment, a protocol and IOMMU extensions are used by a secure arbitration mode (SEAM) module and/or circuitry to determine if the IOMMU that is attached to the device requested to be mapped to a trusted domain.Type: GrantFiled: March 30, 2019Date of Patent: March 7, 2023Assignee: Intel CorporationInventors: Vedvyas Shanbhogue, Rajesh Sankaran, Abhishek Basak, Pradeep Pappachan, Utkarsh Y. Kakaiya, Ravi Sahita, Rupin Vakharwala
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Patent number: 11593529Abstract: Systems, apparatuses, methods, and computer-readable media are provided for device interface management. A device includes a device interface, a virtual machine (VM) includes a device driver, both to facilitate assignment of the device to the VM, access of the device by the VM, or removal of the device from being assigned to the VM. The VM is managed by a hypervisor of a computing platform coupled to the device by a computer bus. The device interface includes logic in support of a device management protocol to place the device interface in an unlocked state, a locked state to prevent changes to be made to the device interface, or an operational state to enable access to device registers of the device by the VM or direct memory access to memory address spaces of the VM, or an error state. Other embodiments may be described and/or claimed.Type: GrantFiled: November 18, 2019Date of Patent: February 28, 2023Assignee: Intel CorporationInventors: Vedvyas Shanbhogue, Utkarsh Y. Kakaiya, Ravi Sahita, Abhishek Basak, Pradeep Pappachan, Erdem Aktas
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Publication number: 20230048915Abstract: A method of offloading performance of a workload includes receiving, on a first computing system acting as an initiator, a first function call from a caller, the first function call to be executed by an accelerator on a second computing system acting as a target, the first computing system coupled to the second computing system by a network; determining a type of the first function call; and generating a list of parameter values of the first function call.Type: ApplicationFiled: October 18, 2022Publication date: February 16, 2023Inventors: Pradeep Pappachan, Sujoy Sen, Joseph Grecco, Mukesh Gangadhar Bhavani Venkatesan, Reshma Lal
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Patent number: 11537457Abstract: A method of offloading performance of a workload includes receiving, on a first computing system acting as an initiator, a first function call from a caller, the first function call to be executed by an accelerator on a second computing system acting as a target, the first computing system coupled to the second computing system by a network; determining a type of the first function call; and generating a list of parameter values of the first function call.Type: GrantFiled: June 25, 2021Date of Patent: December 27, 2022Assignee: INTEL CORPORATIONInventors: Pradeep Pappachan, Sujoy Sen, Joseph Grecco, Mukesh Gangadhar Bhavani Venkatesan, Reshma Lal
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Patent number: 11494523Abstract: An apparatus to facilitate security of a shared memory resource is disclosed. The apparatus includes a memory device to store memory data, wherein the memory device comprises a plurality of private memory pages associated with one or more trusted domains and a cryptographic engine to encrypt and decrypt the memory data, including a key encryption table having a key identifier associated with each trusted domain to access a private memory page, wherein a first key identifier is generated to perform direct memory access (DMA) transfers for each of a plurality of input/output (I/O) devices.Type: GrantFiled: August 14, 2020Date of Patent: November 8, 2022Assignee: Intel CorporationInventors: Abhishek Basak, Pradeep Pappachan, Siddhartha Chhabra, Alpa Narendra Trivedi, Erdem Aktas, Ravi Sahita
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Patent number: 11373013Abstract: Technologies for secure I/O include a compute device having a processor, a memory, an input/output (I/O) device, and a filter logic. The filter logic is configured to receive a first key identifier from the processor, wherein the first key identifier is indicative of a shared memory range includes a shared key identifier range to be used for untrusted I/O devices and receive a transaction from the I/O device, wherein the transaction includes a second key identifier and a trust device ID indicator associated with the I/O device. The filter logic is further configured to determine whether the transaction is asserted with the trust device ID indicator indicative of whether the I/O device is assigned to a trust domain and determine, in response to a determination that the transaction is not asserted with the trust device ID indicator, whether the second key identifier matches the first key identifier.Type: GrantFiled: December 28, 2018Date of Patent: June 28, 2022Assignee: INTEL CORPORATIONInventors: Luis Kida, Krystof Zmudzinski, Reshma Lal, Pradeep Pappachan, Abhishek Basak, Anna Trikalinou
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Publication number: 20220141026Abstract: Methods, apparatuses and system provide for technology that interleaves a plurality of verification commands with a plurality of copy commands in a command buffer, wherein each copy command includes a message authentication code (MAC) derived from a master session key, wherein one or more of the plurality of verification commands corresponds to a copy command in the plurality of copy commands, and wherein a verification command at an end of the command buffer corresponds to contents of the command buffer. The technology may also add a MAC generation command to the command buffer, wherein the MAC generation command references an address of a compute result.Type: ApplicationFiled: December 23, 2020Publication date: May 5, 2022Inventors: Ned M. Smith, Gaurav Kumar, Alex Nayshtut, Reshma Lal, Prashant Dewan, Pradeep Pappachan, Rajesh Poornachandran, Omer Ben-Shalom
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Publication number: 20220100584Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a programmable integrated circuit (IC) comprising system manager hardware circuitry to: interface, over a network, with a remote application of a client platform, the system manager hardware circuitry to interface with the remote application using a message-based interface; perform resource management of resources of the programmable IC; validate incoming messages to the programmable IC; verify whether a requester is allowed to perform requested actions of the incoming messages that are successfully validated; and manage transfer of data between the programmable IC and the remote application based on successfully verifying the requester.Type: ApplicationFiled: November 22, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220100581Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a graphics processing unit (GPU) to: provide a virtual GPU monitor (VGM) to interface over a network with a middleware layer of a client platform, the VGM to interface with the middleware layer using a message passing interface; configure and expose, by the VGM, virtual functions (VFs) of the GPU to the middleware layer of the client platform; intercept, by the VGM, request messages directed to the GPU from the middleware layer, the request messages corresponding to VFs of the GPU to be utilized by the client platform; and generate, by the VGM, a response to the request messages for the middleware client.Type: ApplicationFiled: November 17, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220100583Abstract: 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.Type: ApplicationFiled: November 22, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220103516Abstract: An apparatus comprising a first computing platform including a processor to execute a first trusted executed environment (TEE) to host a first plurality of virtual machines and a first network interface controller to establish a trusted communication channel with a second computing platform via an orchestration controller.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Pradeep Pappachan, Luis Kida, Donald E. Wood, Tony Hurson, Reouven Elbaz, Reshma Lal
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Publication number: 20220100579Abstract: 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.Type: ApplicationFiled: November 12, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220100580Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes one or more processors to: provide a remote GPU middleware layer to act as a proxy for an application stack on a client platform separate from the apparatus; communicate, by the remote GPU middleware layer, with a kernel mode driver of the one or more processors to cause the host memory to be allocated for command buffers and data structures received from the client platform for consumption by a command streamer of a remote GPU of the apparatus; and invoke, by the remote GPU middleware layer, the kernel mode driver to submit a workload generated by the application stack, the workload submitted for processing by the remote GPU using the command buffers and the data structures allocated in the host memory as directed by the command streamer.Type: ApplicationFiled: November 15, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220100582Abstract: An apparatus to facilitate disaggregated computing for a distributed confidential computing environment is disclosed. The apparatus includes a processor executing a trusted execution environment (TEE) comprising a field-programmable gate array (FPGA) driver to interface with an FPGA device that is remote to the apparatus; and a remote memory-mapped input/output (MMIO) driver to expose the FPGA device as a legacy device to the FPGA driver, wherein the processor to utilize the remote MMIO driver to: enumerate the FPGA device using FPGA enumeration data provided by a remote management controller of the FPGA device, the FPGA enumeration data comprising a configuration space and device details; load function drivers for the FPGA device in the TEE; create corresponding device files in the TEE based on the FPGA enumeration data; and handle remote MMIO reads and writes to the FPGA device via a network transport protocol.Type: ApplicationFiled: November 19, 2021Publication date: March 31, 2022Applicant: Intel CorporationInventors: Reshma Lal, Pradeep Pappachan, Luis Kida, Soham Jayesh Desai, Sujoy Sen, Selvakumar Panneer, Robert Sharp
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Publication number: 20220092223Abstract: Technologies for secure I/O include a compute device having a processor, a memory, an input/output (I/O) device, and a filter logic. The filter logic is configured to receive a first key identifier from the processor, wherein the first key identifier is indicative of a shared memory range includes a shared key identifier range to be used for untrusted I/O devices and receive a transaction from the I/O device, wherein the transaction includes a second key identifier and a trust device ID indicator associated with the I/O device. The filter logic is further configured to determine whether the transaction is asserted with the trust device ID indicator indicative of whether the I/O device is assigned to a trust domain and determine, in response to a determination that the transaction is not asserted with the trust device ID indicator, whether the second key identifier matches the first key identifier.Type: ApplicationFiled: October 29, 2021Publication date: March 24, 2022Applicant: Intel CorporationInventors: Luis Kida, Krystof Zmudzinski, Reshma Lal, Pradeep Pappachan, Abhishek Basak, Anna Trikalinou
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Patent number: 11163913Abstract: Technologies for secure I/O include a compute device having a processor, a memory, an input/output (I/O) device, and a filter logic. The filter logic is configured to receive a first key identifier from the processor, wherein the first key identifier is indicative of a shared memory range includes a shared key identifier range to be used for untrusted I/O devices and receive a transaction from the I/O device, wherein the transaction includes a second key identifier and a trust device ID indicator associated with the I/O device. The filter logic is further configured to determine whether the transaction is asserted with the trust device ID indicator indicative of whether the I/O device is assigned to a trust domain and determine, in response to a determination that the transaction is not asserted with the trust device ID indicator, whether the second key identifier matches the first key identifier.Type: GrantFiled: December 28, 2018Date of Patent: November 2, 2021Assignee: INTEL CORPORATIONInventors: Luis Kida, Krystof Zmudzinski, Reshma Lal, Pradeep Pappachan, Abhishek Basak, Anna Trikalinou
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Publication number: 20210318920Abstract: A method of offloading performance of a workload includes receiving, on a first computing system acting as an initiator, a first function call from a caller, the first function call to be executed by an accelerator on a second computing system acting as a target, the first computing system coupled to the second computing system by a network; determining a type of the first function call; and generating a list of parameter values of the first function call.Type: ApplicationFiled: June 25, 2021Publication date: October 14, 2021Applicant: Intel CorporationInventors: Pradeep Pappachan, Sujoy Sen, Joseph Grecco, Mukesh Gangadhar Bhavani Venkatesan, Reshma Lal
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Publication number: 20210311629Abstract: A computing platform comprising a first computer system including a first host and a first accelerator communicatively coupled to the first host, including a first memory, a first page table to perform a translation of virtual addresses to physical addresses in the first memory and a first trusted agent to validate the address translations.Type: ApplicationFiled: June 22, 2021Publication date: October 7, 2021Applicant: Intel CorporationInventors: Pradeep Pappachan, Reshma Lal
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Publication number: 20210117247Abstract: A computing platform is disclosed. The computing platform includes a first computer system comprising a first graphics processing unit (GPU), a network coupled to the first computer system and a second computer system, coupled to the first computer system via the network, comprising a second GPU, wherein the first and second computer system are configured to perform distributed processing of graphics workloads between the first GPU and the second GPU.Type: ApplicationFiled: December 24, 2020Publication date: April 22, 2021Applicant: Intel CorporationInventors: Selvakumar Panneer, Pradeep Pappachan, Reshma Lal