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[RFC PATCH v3 1/7] hw/acpi/pcihp: Enhance acpi_pcihp_disable_root_bus()
From: |
Julia Suvorova |
Subject: |
[RFC PATCH v3 1/7] hw/acpi/pcihp: Enhance acpi_pcihp_disable_root_bus() to support Q35 |
Date: |
Thu, 24 Sep 2020 09:00:07 +0200 |
PCI Express does not allow hot-plug on pcie.0. Check for Q35 in
acpi_pcihp_disable_root_bus() to be able to forbid hot-plug using the
'acpi-root-pci-hotplug' flag.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
---
hw/acpi/pcihp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 39b1f74442..ff23104aea 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -107,13 +107,14 @@ static void acpi_set_pci_info(void)
static void acpi_pcihp_disable_root_bus(void)
{
static bool root_hp_disabled;
+ Object *host = acpi_get_i386_pci_host();
PCIBus *bus;
if (root_hp_disabled) {
return;
}
- bus = find_i440fx();
+ bus = PCI_HOST_BRIDGE(host)->bus;
if (bus) {
/* setting the hotplug handler to NULL makes the bus non-hotpluggable
*/
qbus_set_hotplug_handler(BUS(bus), NULL);
--
2.25.4