On 11/07/17 22:44, 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 slot_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> > > v2: > - Rename dev_reserved_mask to slot_reserved_mask as suggested by Marcel > - Squash patches 2 and 3 together > > > Mark Cave-Ayland (2): > pci: move check for existing devfn into new pci_bus_devfn_available() > helper > 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(-)
Ping? Any further feedback on the v2 version? My latest set of sun4u patches is dependent upon this patchset and it's freeze coming up next week! ATB, Mark.
