diff options
Diffstat (limited to 'hw/acpi/acpi_generic_initiator.c')
| -rw-r--r-- | hw/acpi/acpi_generic_initiator.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/hw/acpi/acpi_generic_initiator.c b/hw/acpi/acpi_generic_initiator.c deleted file mode 100644 index 17b9a052f5..0000000000 --- a/hw/acpi/acpi_generic_initiator.c +++ /dev/null @@ -1,148 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved - */ - -#include "qemu/osdep.h" -#include "hw/acpi/acpi_generic_initiator.h" -#include "hw/acpi/aml-build.h" -#include "hw/boards.h" -#include "hw/pci/pci_device.h" -#include "qemu/error-report.h" - -typedef struct AcpiGenericInitiatorClass { - ObjectClass parent_class; -} AcpiGenericInitiatorClass; - -OBJECT_DEFINE_TYPE_WITH_INTERFACES(AcpiGenericInitiator, acpi_generic_initiator, - ACPI_GENERIC_INITIATOR, OBJECT, - { TYPE_USER_CREATABLE }, - { NULL }) - -OBJECT_DECLARE_SIMPLE_TYPE(AcpiGenericInitiator, ACPI_GENERIC_INITIATOR) - -static void acpi_generic_initiator_init(Object *obj) -{ - AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); - - gi->node = MAX_NODES; - gi->pci_dev = NULL; -} - -static void acpi_generic_initiator_finalize(Object *obj) -{ - AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); - - g_free(gi->pci_dev); -} - -static void acpi_generic_initiator_set_pci_device(Object *obj, const char *val, - Error **errp) -{ - AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); - - gi->pci_dev = g_strdup(val); -} - -static void acpi_generic_initiator_set_node(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); - MachineState *ms = MACHINE(qdev_get_machine()); - uint32_t value; - - if (!visit_type_uint32(v, name, &value, errp)) { - return; - } - - if (value >= MAX_NODES) { - error_printf("%s: Invalid NUMA node specified\n", - TYPE_ACPI_GENERIC_INITIATOR); - exit(1); - } - - gi->node = value; - ms->numa_state->nodes[gi->node].has_gi = true; -} - -static void acpi_generic_initiator_class_init(ObjectClass *oc, void *data) -{ - object_class_property_add_str(oc, "pci-dev", NULL, - acpi_generic_initiator_set_pci_device); - object_class_property_add(oc, "node", "int", NULL, - acpi_generic_initiator_set_node, NULL, NULL); -} - -/* - * ACPI 6.3: - * Table 5-78 Generic Initiator Affinity Structure - */ -static void -build_srat_generic_pci_initiator_affinity(GArray *table_data, int node, - PCIDeviceHandle *handle) -{ - uint8_t index; - - build_append_int_noprefix(table_data, 5, 1); /* Type */ - build_append_int_noprefix(table_data, 32, 1); /* Length */ - build_append_int_noprefix(table_data, 0, 1); /* Reserved */ - build_append_int_noprefix(table_data, 1, 1); /* Device Handle Type: PCI */ - build_append_int_noprefix(table_data, node, 4); /* Proximity Domain */ - - /* Device Handle - PCI */ - build_append_int_noprefix(table_data, handle->segment, 2); - build_append_int_noprefix(table_data, handle->bdf, 2); - for (index = 0; index < 12; index++) { - build_append_int_noprefix(table_data, 0, 1); - } - - build_append_int_noprefix(table_data, GEN_AFFINITY_ENABLED, 4); /* Flags */ - build_append_int_noprefix(table_data, 0, 4); /* Reserved */ -} - -static int build_all_acpi_generic_initiators(Object *obj, void *opaque) -{ - MachineState *ms = MACHINE(qdev_get_machine()); - AcpiGenericInitiator *gi; - GArray *table_data = opaque; - PCIDeviceHandle dev_handle; - PCIDevice *pci_dev; - Object *o; - - if (!object_dynamic_cast(obj, TYPE_ACPI_GENERIC_INITIATOR)) { - return 0; - } - - gi = ACPI_GENERIC_INITIATOR(obj); - if (gi->node >= ms->numa_state->num_nodes) { - error_printf("%s: Specified node %d is invalid.\n", - TYPE_ACPI_GENERIC_INITIATOR, gi->node); - exit(1); - } - - o = object_resolve_path_type(gi->pci_dev, TYPE_PCI_DEVICE, NULL); - if (!o) { - error_printf("%s: Specified device must be a PCI device.\n", - TYPE_ACPI_GENERIC_INITIATOR); - exit(1); - } - - pci_dev = PCI_DEVICE(o); - - dev_handle.segment = 0; - dev_handle.bdf = PCI_BUILD_BDF(pci_bus_num(pci_get_bus(pci_dev)), - pci_dev->devfn); - - build_srat_generic_pci_initiator_affinity(table_data, - gi->node, &dev_handle); - - return 0; -} - -void build_srat_generic_pci_initiator(GArray *table_data) -{ - object_child_foreach_recursive(object_get_root(), - build_all_acpi_generic_initiators, - table_data); -} |