> > In a nutshell, I don't know what a SHPC is (nor OSHP), so I'm looking > > for an additional Ack. > > No problem, I'll get an Ack :) > Meanwhile - here's a summary, as far as I understand it. > > Originally PCI SIG only defined the electrical > and mechanical requirements from hotplug, no standard > software interface. So it needed ACPI to drive device-specific registers > to actually do hotplug. > At some point PCISIG defined standard interfaces > for PCI hotplug. There are two of them: standard > hot plug controller (SHPC) for PCI and PCIE hotplug > for Express. > > Now an OS can have a standard driver and use it > to activate hotplug functionality. This is OS hotplug (OSHP).
So presumably this will work on targets that don't have ACPI? Assuming a competent guest OS of course. Have you tested this? Paul
