qemu/hw/pci-bridge
Marcel Apfelbaum e2a6290aab hw/pcie-root-port: Fix hotplug for PCI devices requiring IO
Q35 has now ACPI hotplug enabled by default for PCI(e) devices.
As opposed to native PCIe hotplug, guests like Fedora 34
will not assign IO range to pcie-root-ports not supporting
native hotplug, resulting into a regression.

Reproduce by:
    qemu-bin -M q35 -device pcie-root-port,id=p1 -monitor stdio
    device_add e1000,bus=p1
In the Guest OS the respective pcie-root-port will have the IO range
disabled.

Fix it by setting the "reserve-io" hint capability of the
pcie-root-ports so the firmware will allocate the IO range instead.

Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Message-Id: <20210802090057.1709775-1-marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-08-03 16:31:07 -04:00
..
dec.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
dec.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
gen_pcie_root_port.c hw/pcie-root-port: Fix hotplug for PCI devices requiring IO 2021-08-03 16:31:07 -04:00
i82801b11.c nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
ioh3420.c Include migration/vmstate.h less 2019-08-16 13:31:52 +02:00
Kconfig Kconfig: Compile PXB for ARM_VIRT 2021-01-17 06:42:54 -05:00
meson.build meson: convert hw/pci-bridge 2020-08-21 06:30:28 -04:00
pci_bridge_dev.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
pci_expander_bridge.c hw/pxb: Add a bypass iommu property 2021-07-16 11:10:45 -04:00
pcie_pci_bridge.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
pcie_root_port.c pcie_root_port: Add hotplug disabling option 2020-03-08 09:18:29 -04:00
simba.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
xio3130_downstream.c pcie_root_port: Add hotplug disabling option 2020-03-08 09:18:29 -04:00
xio3130_upstream.c Include migration/vmstate.h less 2019-08-16 13:31:52 +02:00