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hw/pci-host/gpex-acpi: Use acpi_uid property.

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Reduce the direct use of PCI internals inside ACPI table creation.

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20240916171017.1841767-10-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jonathan Cameron 2024-09-16 18:10:14 +01:00 committed by Michael S. Tsirkin
parent dc907b5cac
commit 43eb5e1f73
1 changed files with 4 additions and 1 deletions
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5
hw/pci-host/gpex-acpi.c
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@ -141,6 +141,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
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;
bool is_cxl = pci_bus_is_cxl(bus);
if (!pci_bus_is_root(bus)) {
@ -156,6 +157,8 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
nr_pcie_buses = bus_num;
}
uid = object_property_get_uint(OBJECT(bus), "acpi_uid",
&error_fatal);
dev = aml_device("PC%.02X", bus_num);
if (is_cxl) {
struct Aml *pkg = aml_package(2);
@ -168,7 +171,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03")));
}
aml_append(dev, aml_name_decl("_BBN", aml_int(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("_STR", aml_unicode("pxb Device")));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
if (numa_node != NUMA_NODE_UNASSIGNED) {