发明授权
US08838867B2 Software-based virtual PCI system 有权
基于软件的虚拟PCI系统

  • 专利标题: Software-based virtual PCI system
  • 专利标题(中): 基于软件的虚拟PCI系统
  • 申请号: US12655135
    申请日: 2009-12-23
  • 公开(公告)号: US08838867B2
    公开(公告)日: 2014-09-16
  • 发明人: David A. Daniel
  • 申请人: David A. Daniel
  • 申请人地址: US AZ Scottsdale
  • 专利权人: Nuon, Inc.
  • 当前专利权人: Nuon, Inc.
  • 当前专利权人地址: US AZ Scottsdale
  • 代理商 Robert C. Klinger
  • 主分类号: G06F13/00
  • IPC分类号: G06F13/00 G06F13/38 G06F3/06 G06F13/10
Software-based virtual PCI system
摘要:
A means for extending a PCI System of a host computer via software-centric virtualization. A Root Complex is virtualized at the host computer, and physically separated with a portion located remotely at an Endpoint, such as at a Remote Bus Adapter. One aspect of the invention avoids the need for a Host Bus Adapter. The invention utilizes 1 Gbps-10 Gbps or greater connectivity via the host's existing standard LAN adapter along with unique software to form the virtualization solution. The invention works within a host's PCI Express topology, extending the topology by adding an entire virtual I/O hierarchy via virtualization. The invention enables I/O virtualization in those implementations where a specialized host bus may not be desirable or feasible. Some examples of this may be a laptop computer, an embedded design, a cost-sensitive design, or a blade host where expansion slots are not available or accessible.
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