发明名称 |
Apparatus, system and method for controlling access to facilities based on usage classes |
摘要 |
An apparatus, system and method for controlling access to facilities based on usage class of a requestor are provided. With the apparatus, system and method, a two level protection mechanism is provided for protecting host channel adapter (HCA) facilities from unauthorized access. With the present invention, a first level of access is provided through virtual address translation and a mechanism for determining if the requestor of access may access a system memory address space page associated with a real address to which the virtual address maps. A second level of access is provided through the allocation of usage classes and determining a required usage class for accessing an HCA facility.
|
申请公布号 |
US7010633(B2) |
申请公布日期 |
2006.03.07 |
申请号 |
US20030411447 |
申请日期 |
2003.04.10 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ARNDT RICHARD LOUIS;BEUKEMA BRUCE LEROY;CRADDOCK DAVID F.;FUHS RONALD EDWARD;GREGG THOMAS ANTHONY;WALK BRUCE MARSHALL |
分类号 |
G06F13/14;G06F12/14;G06F15/173;H04L12/56 |
主分类号 |
G06F13/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|