diff options
Diffstat (limited to 'hw/acpi/viot.c')
| -rw-r--r-- | hw/acpi/viot.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/acpi/viot.c b/hw/acpi/viot.c index c32bbdd180..4e0bf69067 100644 --- a/hw/acpi/viot.c +++ b/hw/acpi/viot.c @@ -64,6 +64,20 @@ static int enumerate_pci_host_bridges(Object *obj, void *opaque) return 0; } +static gint pci_host_range_compare(gconstpointer a, gconstpointer b) +{ + struct viot_pci_host_range *range_a = (struct viot_pci_host_range *)a; + struct viot_pci_host_range *range_b = (struct viot_pci_host_range *)b; + + if (range_a->min_bus < range_b->min_bus) { + return -1; + } else if (range_a->min_bus > range_b->min_bus) { + return 1; + } else { + return 0; + } +} + /* * Generate a VIOT table with one PCI-based virtio-iommu that manages PCI * endpoints. @@ -87,6 +101,9 @@ void build_viot(MachineState *ms, GArray *table_data, BIOSLinker *linker, object_child_foreach_recursive(OBJECT(ms), enumerate_pci_host_bridges, pci_host_ranges); + /* Sort the pci host ranges by min_bus */ + g_array_sort(pci_host_ranges, pci_host_range_compare); + /* ACPI table header */ acpi_table_begin(&table, table_data); /* Node count */ |