| Message ID | 20240712110837.1439736-9-Jonathan.Cameron@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | acpi: NUMA nodes for CXL HB as GP + complex NUMA test | expand |
On Fri, 12 Jul 2024 12:08:12 +0100 Jonathan Cameron <Jonathan.Cameron@huawei.com> wrote: > Rather than relying on PCI internals, use the new acpi_property > to obtain the ACPI _UID values. These are still the same > as the PCI Bus numbers so no functional change. > > Suggested-by: Igor Mammedov <imammedo@redhat.com> > Tested-by: "Huang, Ying" <ying.huang@intel.com> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> > --- > v5: Leave the device naming as using bus_num so that we can > relax assumption of the UID being only 8 bits (it is but > we don't need to assume that) > --- > hw/i386/acpi-build.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > index ee92783836..2eaa4c9203 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -1550,6 +1550,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > QLIST_FOREACH(bus, &bus->child, sibling) { > uint8_t bus_num = pci_bus_num(bus); > uint8_t numa_node = pci_bus_numa_node(bus); > + uint32_t uid; > > /* look only for expander root buses */ > if (!pci_bus_is_root(bus)) { > @@ -1560,6 +1561,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > root_bus_limit = bus_num - 1; > } > > + uid = object_property_get_uint(OBJECT(bus), "acpi_uid", > + &error_fatal); > scope = aml_scope("\\_SB"); > > if (pci_bus_is_cxl(bus)) { > @@ -1567,7 +1570,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > } else { > dev = aml_device("PC%.02X", bus_num); > } > - aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); > + aml_append(dev, aml_name_decl("_UID", aml_int(uid))); > aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); > if (pci_bus_is_cxl(bus)) { > struct Aml *aml_pkg = aml_package(2);
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index ee92783836..2eaa4c9203 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1550,6 +1550,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, QLIST_FOREACH(bus, &bus->child, sibling) { uint8_t bus_num = pci_bus_num(bus); uint8_t numa_node = pci_bus_numa_node(bus); + uint32_t uid; /* look only for expander root buses */ if (!pci_bus_is_root(bus)) { @@ -1560,6 +1561,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, root_bus_limit = bus_num - 1; } + uid = object_property_get_uint(OBJECT(bus), "acpi_uid", + &error_fatal); scope = aml_scope("\\_SB"); if (pci_bus_is_cxl(bus)) { @@ -1567,7 +1570,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, } else { dev = aml_device("PC%.02X", bus_num); } - aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); + aml_append(dev, aml_name_decl("_UID", aml_int(uid))); aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); if (pci_bus_is_cxl(bus)) { struct Aml *aml_pkg = aml_package(2);