Invention Grant
US07996594B2 Interrupt-driven link status feedback mechanism for embedded switches
有权
嵌入式交换机的中断驱动链路状态反馈机制
- Patent Title: Interrupt-driven link status feedback mechanism for embedded switches
- Patent Title (中): 嵌入式交换机的中断驱动链路状态反馈机制
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Application No.: US12412502Application Date: 2009-03-27
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Publication No.: US07996594B2Publication Date: 2011-08-09
- Inventor: Anis M. Abdul , Nikhil Hegde , Ajay Kumar Mahajan , Rashmi Narasimhan
- Applicant: Anis M. Abdul , Nikhil Hegde , Ajay Kumar Mahajan , Rashmi Narasimhan
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Yee & Associates, P.C.
- Agent David A. Mims, Jr.
- Main IPC: G06F13/24
- IPC: G06F13/24 ; G06F13/00

Abstract:
A computer implemented method, a tangible computer readable medium, and a data processing system intelligently propagate link status information received by a blade server to the various ports of an embedded multi-port switch. The link status of a switch port in an external switch module can be communicated to the operating systems of individual blade servers that are affected by that link status. When an external switch module is unplugged from a server blade chassis, the bus controller broadcasts a link down event, such as a link down interrupt, to the individual server blades where it is received by the embedded multi-port switch for those server blades. The embedded multi-port switch translates the link down interrupt into a hardware link down event, and forwards the hardware link down event to the other elements connected to the embedded multi-port switch.
Public/Granted literature
- US20100250810A1 INTERRUPT-DRIVEN LINK STATUS FEEDBACK MECHANISM FOR EMBEDDED SWITCHES Public/Granted day:2010-09-30
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