On Fri, Jul 07, 2017 at 08:43:59AM +0100, Mark Cave-Ayland wrote: > For some machines it is impossible to plug devices into a particular PCI bus > slot, e.g. for a real Ultra 5 there are 2 PCI bridges attached to the root > bus behind which all devices must be plugged. Ignoring this rule will cause > problems with interrupt routing since the interrupt numbers are calculated > based upon PCI bridge id and secondary PCI bus slot id. > > This patchset adds a new dev_reserved_mask property to PCIBus which is a > bitmask used to indicate whether PCI bus slots are reserved, i.e. they cannot > be used for hot or cold plugging on a particular PCI bus. > > Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
Could you please point me at series making use of this functionality? Thanks! > > Mark Cave-Ayland (3): > pci: move check for existing devfn into new pci_bus_devfn_available() > helper > pci: add dev_reserved_mask property to PCIBus > pci: add reserved slot check to do_pci_register_device() > > hw/pci/pci.c | 34 ++++++++++++++++++++++++++++++---- > include/hw/pci/pci_bus.h | 1 + > 2 files changed, 31 insertions(+), 4 deletions(-) > > -- > 1.7.10.4
