Since QEMU-6.1, Q35 machine is using ACPI PCI hotplug by default.
However SeaBIOS did not take in account pcie-pci-bridge and treated it
as any other PCIe device which is not correct in the case of the bridge.
Patch [1/2] fixes main issue by treating the bridge as a device with
possible SHPC capability.
Patch [2/2] fixes missed IO reservation, by making sure that in the case of
the bridge firmware reserves IO resource.
Igor Mammedov (2):
pci: reserve resources for pcie-pci-bridge to fix regressed hotplug on
q35
pci: let firmware reserve IO for pcie-pci-bridge
src/fw/pciinit.c | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
--
2.27.0
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