diff options
Diffstat (limited to 'hw/acpi/viot.c')
| -rw-r--r-- | hw/acpi/viot.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/hw/acpi/viot.c b/hw/acpi/viot.c index a41daded71..5dafcbf5ef 100644 --- a/hw/acpi/viot.c +++ b/hw/acpi/viot.c @@ -16,6 +16,31 @@ struct viot_pci_ranges { uint16_t output_node; }; +static void build_pci_host_range(GArray *table_data, int min_bus, int max_bus, + uint16_t output_node) +{ + /* Type */ + build_append_int_noprefix(table_data, 1 /* PCI range */, 1); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 1); + /* Length */ + build_append_int_noprefix(table_data, 24, 2); + /* Endpoint start */ + build_append_int_noprefix(table_data, PCI_BUILD_BDF(min_bus, 0), 4); + /* PCI Segment start */ + build_append_int_noprefix(table_data, 0, 2); + /* PCI Segment end */ + build_append_int_noprefix(table_data, 0, 2); + /* PCI BDF start */ + build_append_int_noprefix(table_data, PCI_BUILD_BDF(min_bus, 0), 2); + /* PCI BDF end */ + build_append_int_noprefix(table_data, PCI_BUILD_BDF(max_bus, 0xff), 2); + /* Output node */ + build_append_int_noprefix(table_data, output_node, 2); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 6); +} + /* Build PCI range for a given PCI host bridge */ static int enumerate_pci_host_bridges(Object *obj, void *opaque) { @@ -30,27 +55,8 @@ static int enumerate_pci_host_bridges(Object *obj, void *opaque) pci_bus_range(bus, &min_bus, &max_bus); - /* Type */ - build_append_int_noprefix(blob, 1 /* PCI range */, 1); - /* Reserved */ - build_append_int_noprefix(blob, 0, 1); - /* Length */ - build_append_int_noprefix(blob, 24, 2); - /* Endpoint start */ - build_append_int_noprefix(blob, PCI_BUILD_BDF(min_bus, 0), 4); - /* PCI Segment start */ - build_append_int_noprefix(blob, 0, 2); - /* PCI Segment end */ - build_append_int_noprefix(blob, 0, 2); - /* PCI BDF start */ - build_append_int_noprefix(blob, PCI_BUILD_BDF(min_bus, 0), 2); - /* PCI BDF end */ - build_append_int_noprefix(blob, PCI_BUILD_BDF(max_bus, 0xff), 2); - /* Output node */ - build_append_int_noprefix(blob, pci_ranges->output_node, 2); - /* Reserved */ - build_append_int_noprefix(blob, 0, 6); - + build_pci_host_range(blob, min_bus, max_bus, + pci_ranges->output_node); pci_ranges->count++; } } |