diff options
| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-09-16 18:10:10 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-11-04 16:03:24 -0500 |
| commit | df9ac7254fd943c834f9666969b0852b50e91692 (patch) | |
| tree | 32b8145060e60a5011e05036e406a730ba7ccb69 /hw/acpi | |
| parent | a20b6c8f0b279edf370bc20b7845f87c36d03f7a (diff) | |
hw/pci: Add a busnr property to pci_props and use for acpi/gi
Using a property allows us to hide the internal details of the PCI device
from the code to build a SRAT Generic Initiator Affinity Structure with
PCI Device Handle.
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20240916171017.1841767-6-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi')
| -rw-r--r-- | hw/acpi/acpi_generic_initiator.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/hw/acpi/acpi_generic_initiator.c b/hw/acpi/acpi_generic_initiator.c index 73bafaaaea..365feb527f 100644 --- a/hw/acpi/acpi_generic_initiator.c +++ b/hw/acpi/acpi_generic_initiator.c @@ -9,6 +9,7 @@ #include "hw/boards.h" #include "hw/pci/pci_device.h" #include "qemu/error-report.h" +#include "qapi/error.h" typedef struct AcpiGenericInitiatorClass { ObjectClass parent_class; @@ -79,7 +80,8 @@ static int build_acpi_generic_initiator(Object *obj, void *opaque) MachineState *ms = MACHINE(qdev_get_machine()); AcpiGenericInitiator *gi; GArray *table_data = opaque; - PCIDevice *pci_dev; + int32_t devfn; + uint8_t bus; Object *o; if (!object_dynamic_cast(obj, TYPE_ACPI_GENERIC_INITIATOR)) { @@ -100,10 +102,12 @@ static int build_acpi_generic_initiator(Object *obj, void *opaque) exit(1); } - pci_dev = PCI_DEVICE(o); - build_srat_pci_generic_initiator(table_data, gi->node, 0, - pci_bus_num(pci_get_bus(pci_dev)), - pci_dev->devfn); + bus = object_property_get_uint(o, "busnr", &error_fatal); + devfn = object_property_get_int(o, "addr", &error_fatal); + /* devfn is constrained in PCI to be 8 bit but storage is an int32_t */ + assert(devfn >= 0 && devfn < PCI_DEVFN_MAX); + + build_srat_pci_generic_initiator(table_data, gi->node, 0, bus, devfn); return 0; } |