diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2022-07-01 11:15:16 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2022-07-19 14:35:06 +0200 |
| commit | 3ef1497b46c57eba151fb1d0bdd8c8bff8a0f524 (patch) | |
| tree | 763bdbc447a38066592e6996046943f70bdb3eac /hw | |
| parent | c8ddcdd6886b34d5d55d8d59973280e4c1b49195 (diff) | |
microvm: turn off io reservations for pcie root ports
The pcie host bridge has no io window on microvm,
so io reservations will not work.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20220701091516.43489-1-kraxel@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/microvm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 754f1d0593..dc929727dc 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -631,6 +631,14 @@ static void microvm_machine_initfn(Object *obj) qemu_register_powerdown_notifier(&mms->powerdown_req); } +GlobalProperty microvm_properties[] = { + /* + * pcie host bridge (gpex) on microvm has no io address window, + * so reserving io space is not going to work. Turn it off. + */ + { "pcie-root-port", "io-reserve", "0" }, +}; + static void microvm_class_init(ObjectClass *oc, void *data) { X86MachineClass *x86mc = X86_MACHINE_CLASS(oc); @@ -707,6 +715,9 @@ static void microvm_class_init(ObjectClass *oc, void *data) "Set off to disable adding virtio-mmio devices to the kernel cmdline"); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); + + compat_props_add(mc->compat_props, microvm_properties, + G_N_ELEMENTS(microvm_properties)); } static const TypeInfo microvm_machine_info = { |