发明名称 |
MULTIPLE PARTITION ADJUNCT INSTANCES INTERFACING MULTIPLE LOGICAL PARTITIONS TO A SELF-VIRTUALIZING INPUT/OUTPUT DEVICE |
摘要 |
Multiple logical partitions are provided access to a self-virtualizing input/output device of a data processing system via multiple dedicated partition adjunct instances. Access is established by: interfacing each logical partition to one or more associated partition adjunct instances, each partition adjunct instance coupling its associated logical partition to one of a virtual function or a queue pair of the self-virtualizing input/output device, and each partition adjunct instance being a separate dispatchable state and being created employing virtual address space donated from the respective logical partition or a hypervisor of the data processing system, and each partition adjunct instance including a device driver for the virtual function or queue pair of the self-virtualizing input/output device; and providing each logical partition with at least one virtual input/output which is interfaced through the logical partition's respective partition adjunct instance(s) to a virtual function or queue pair of the self-virtualizing input/output device.
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申请公布号 |
US2009037941(A1) |
申请公布日期 |
2009.02.05 |
申请号 |
US20080111020 |
申请日期 |
2008.04.28 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ARMSTRONG WILLIAM J.;GRAHAM CHARLES S.;KAO SANDY K.;LUCKE KYLE A.;NAYAR NARESH;OSTROWSKI MICHAL;RECIO RENATO J.;SWANBERG RANDAL C. |
分类号 |
G06F9/44 |
主分类号 |
G06F9/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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