EFI Shell commands -- OPENINFO(顯示一個操作程序的協定與代理程式的關係)

Displays the protocols and agents associated with a handle.

OPENINFO Handle [-b]

    -b       - Display one screen at a time

    Handle   - Display open protocol information for specified handle

Examples:
  * To show open protocols on handle 0x23:
    It shows that the PCI Root Bridge is being managed by the PCI
    Bus Driver, and the PCI Bus contains 7 PCI child controllers.
    Shell> openinfo 23
    Handle 23 (07DEE108)
    PciRootBridgeIo
      Drv[1D] Ctrl[23] Cnt(01) Driver   Image(PciBus)
      Drv[1D] Ctrl[28] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[29] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[2A] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[2B] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[2C] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[2D] Cnt(01) Child    Image(PciBus)
      Drv[1D] Ctrl[2E] Cnt(01) Child    Image(PciBus)
      Drv[00] Ctrl[  ] Cnt(01) HandProt
    dpath
      Drv[1D] Ctrl[23] Cnt(01) Driver   Image(PciBus)
      Drv[00] Ctrl[  ] Cnt(0D) HandProt