发明名称 |
Sharing a network I/O adapter between logical partitions |
摘要 |
An I/O adapter sharing mechanism in a logically partitioned computer system allows sharing a network I/O adapter between logical partitions in an efficient manner. A first logical partition owns (or controls) the I/O adapter, and a second logical partition desires to use (or share) the I/O adapter. An I/O adapter device driver that includes a hardware interface is provided in the first logical partition. A virtual device driver is provided in the second logical partition that provides a set of functions that is at least partially defined by querying the I/O adapter device driver in the first logical partition. The I/O adapter sharing mechanism includes a transfer mechanism that allows data to be transferred directly from the virtual device driver in the second logical partition to the I/O adapter without passing through the I/O adapter device driver in the first logical partition. |
申请公布号 |
US8201190(B2) |
申请公布日期 |
2012.06.12 |
申请号 |
US20080055691 |
申请日期 |
2008.03.26 |
申请人 |
BILLAU RONALD LEROY;GRAHAM CHARLES SCOTT;KIEL HARVEY GENE;MEHTA CHETAN;SENDELBACK LEE ANTON;SRIKRISHNAN JAYA;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BILLAU RONALD LEROY;GRAHAM CHARLES SCOTT;KIEL HARVEY GENE;MEHTA CHETAN;SENDELBACK LEE ANTON;SRIKRISHNAN JAYA |
分类号 |
G06F3/00;G06F15/16;H04L12/28;H04L29/06 |
主分类号 |
G06F3/00 |
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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