Inventor

ARNDT RICHARD LOUIS

US77 patents

⚠️ This page may combine multiple inventors who share the name “ARNDT RICHARD LOUIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARNDT RICHARD LOUIS

IBM

System, method, and product in a logically partitioned system for prohibiting I/O adapters from accessing memory assigned to other partitions during DMA

Infiniband general services queue pair virtualization for multiple logical ports on a single physical port

Apparatus, system and method for providing multiple logical channel adapters within a single physical channel adapter in a system area network

Interrupt mechanism on an IO adapter that supports virtualization

Apparatus and method for virtualizing interrupts in a logically partitioned computer system

DMA windowing in an LPAR environment using device arbitration level to allow multiple IOAs per terminal bridge

Hypervisor function sets

Logical partition hosted virtual input/output using shared translation control entries

Recovery from data fetch errors in hypervisor code

Computer system error recovery and fault isolation

Method for providing a scalable trusted platform module in a hypervisor environment

Infiniband multicast operation in an LPAR environment

Association of host translations that are associated to an access control level on a PCI bridge that supports virtualization

System and method for managing metrics table per virtual port in a logically partitioned data processing system

Apparatus, system and method for controlling access to facilities based on usage classes

Isolation of I/O bus errors to a single partition in an LPAR environment

Method and apparatus for interrupt load balancing for powerPC processors

Scalable system interrupt structure for a multi-processing system

System and method for virtual adapter resource allocation matrix that defines the amount of resources of a physical I/O adapter

System and method for modification of virtual adapter resources in a logically partitioned data processing system

Method, apparatus, and computer program product for migrating data pages by disabling selected DMA operations in a physical I/O adapter

Method for virtual resource initialization on a physical adapter that supports virtual resources

Method, system and program product for differentiating between virtual hosts on bus transactions and associating allowable memory access for an input/output adapter that supports virtualization

System and method for host initialization for an adapter that supports virtualization

System and method for virtual adapter resource allocation matrix that defines the amount of resources of a physical I/O adapter

Logically partitioned processing system having hypervisor for creating a new translation table in response to OS request to directly access the non-assignable resource

Method and apparatus for handling interrupts using a set of interrupts servers associated with presentation controllers

Logical partitioning via hypervisor mediated address translation

Recovery from data fetch errors in hypervisor code

DMA windowing in an LPAR environment using device arbitration level to allow multiple IOAs per terminal bridge

Recovery from instruction fetch errors in hypervisor code

Method and system for assigning interrupts among multiple interrupt presentation controllers

Performance monitoring in multiprocessor system with interrupt masking

Isolation of input/output adapter error domains

Permanent open firmware PCI host bridge (PHB) unit addressing to support dynamic memory mapping and swapping of I/O drawers

Method, apparatus, and computer program product for deconfiguring a processor

Virtual logical partition terminal

Hardware enforcement of logical partitioning of a channel adapter&#39;s resources in a system area network

Association of memory access through protection attributes that are associated to an access control level on a PCI adapter that supports virtualization

Infiniband multicast operation in an LPAR environment

Virtualized fibre channel adapter for a multi-processor data processing system

Method, system, and computer program product for virtual adapter destruction on a physical adapter that supports virtual adapters

Method, apparatus, and computer program product for coordinating error reporting and reset utilizing an I/O adapter that supports virtualization

Method for virtual adapter destruction on a physical adapter that supports virtual adapters

Method and system for fully trusted adapter validation of addresses referenced in a virtual host transfer request

System, method, and computer program product for a fully trusted adapter validation of incoming memory mapped I/O operations on a physical adapter that supports virtual adapters or virtual resources

Hypervisor virtualization of OS console and operator panel

ARNDT RICHARD LOUIS

Controlling depth and latency of exit of a virtual processor&#39;s idle state in a power management environment

Mechanism for detecting and clearing I/O fabric lockup conditions for error recovery

Method, apparatus, and computer program product for coordinating error reporting and reset utilizing an I/O adapter that supports virtualization

Hardware enforcement of logical partitioning of a channel adapter's resources in a system area network

Controlling depth and latency of exit of a virtual processor's idle state in a power management environment