On 08/08/14 00:39, Chris Cuthbert wrote: > Hi Laszlo, > > This is what is happening. When I boot the system and run 'devtree' > shell command, I get the following. Parent @7A and child @7B. > > Ctrl[33] PciRoot(0x2) > Ctrl[78] PciRoot(0x2)/Pci(0x1,0x0) > Ctrl[79] PciRoot(0x2)/Pci(0x2,0x0) > Ctrl[7A] PciRoot(0x2)/Pci(0x2,0x0)/Pci(0x0,0x0) > Ctrl[7B] PciRoot(0x2)/Pci(0x2,0x0)/Pci(0x0,0x0)/MAC(121212121212,0x1) > > Then I issue 'disconnect 7A' command and see the following. > > Ctrl[33] PciRoot(0x2) > Ctrl[78] PciRoot(0x2)/Pci(0x1,0x0) > Ctrl[79] PciRoot(0x2)/Pci(0x2,0x0) > Ctrl[7A] PciRoot(0x2)/Pci(0x2,0x0)/Pci(0x0,0x0) > > Then I issue 'connect 7A' and see the following from 'devtree' command. > > Ctrl[33] PciRoot(0x2) > Ctrl[78] PciRoot(0x2)/Pci(0x1,0x0) > Ctrl[79] PciRoot(0x2)/Pci(0x2,0x0) > Ctrl[7A] PciRoot(0x2)/Pci(0x2,0x0)/Pci(0x0,0x0) > Ctrl[89] PciRoot(0x2)/Pci(0x2,0x0)/Pci(0x0,0x0)/MAC(121212121212,0x1) > > Now if I issue 'connect 89', then the MNP Support function will get > called to bind the MNP driver to the SNP protocol produced by '89'. > > Looks to me, that connecting the parent does not result in child handles > being connected recursively.
Of course they won't be connected recursively if you don't request recursive connecting! I specifically emphasized the -r (DASH R) option of the "connect" shell command before. I referenced the -r option two times. Please pay attention. > This can happen if the child counting loop > that is looking for protocol opened by child does not see the protocol > opened by child. It can also happen if that loop is not reached at all because you pass Recursive=FALSE to CoreConnectController(). Laszlo ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel
