Gustav E. Sittmann

Creating a program product or system for executing a perform frame management instruction

Load page table entry address instruction execution based on an address translation format control field

Emulating execution of a perform frame management instruction

Interpreting I/O operation requests from pageable guests without host intervention

Facilitating management of storage of a pageable mode virtual environment absent intervention of a host of the environment

Executing a perform frame management instruction

Providing indirect data addressing for a control block at a channel subsystem of an I/O processing system

Load page table entry address instruction execution based on an address translation format control field

Bi-directional data transfer within a single I/O operation

Interpreting I/O operation requests from pageable guests without host intervention

Providing indirect data addressing in an input/output processing system where the indirect data address list is non-contiguous

Processing of data to determine compatability in an input/output processing system

Exception condition handling at a channel subsystem in an I/O processing system

Processing of data to suspend operations in an input/output processing log-out system

Exception condition determination at a control unit in an I/O processing system

Reserved device access contention reduction

Providing extended measurement data in an I/O processing system

Bi-directional data transfer within a single I/O operation

Open exchange limiting in an I/O processing system

Computer command and response for determining the state of an I/O operation

Extended measurement word determination at a channel subsystem of an I/O processing system

Processing of data to suspend operations in an input/output processing system

Providing indirect data addressing for a control block at a channel subsystem of an I/O processing system

Processing of data to perform system changes in an input/output processing system

Processing a variable length device command word at a control unit in an I/O processing system

Perform frame management function instruction for clearing blocks of main storage

Perform frame management function instruction for setting storage keys and clearing blocks of main storage

Load page table entry address instruction execution based on an address translation format control field

Enhanced dynamic address translation with load real address function

Dynamic address translation with frame management

FLEXIBLY CONTROLLING THE TRANSFER OF DATA BETWEEN INPUT/OUTPUT DEVICES AND MEMORY

Demultiplexing grouped events into virtual event queues while in two levels of virtualization

Information handling system with virtualized I/O adapter ports

Method and storage medium for virtualization of device self-description information using in-transit modification

Facilitating processing within computing environments supporting pageable guests

Managing configurations of input/output system images of an input/output subsystem, wherein a configuration is modified without restarting the input/output subsystem to effect a modification

Virtualization of an I/O adapter port using enablement and activation functions

Interpreting I/O operation requests from pageable guests without host intervention

Facilitating management of storage of a pageable mode virtual environment absent intervention of a host of the environment

Managing sets of input/output communications subadapters of an input/output subsystem