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[PULL,56/68] hw/i386/acpi-build: Add support for SRAT Generic Initiator structures

Message ID 5deced6a13de9409fd9114432b25072189a68942.1710282274.git.mst@redhat.com
State New
Headers show
Series [PULL,01/68] vdpa: add back vhost_vdpa_net_first_nc_vdpa | expand

Commit Message

Michael S. Tsirkin March 12, 2024, 10:28 p.m. UTC 
From: Ankit Agrawal <ankita@nvidia.com>

The acpi-generic-initiator object is added to allow a host device
to be linked with a NUMA node. Qemu use it to build the SRAT
Generic Initiator Affinity structure [1]. Add support for i386.

[1] ACPI Spec 6.3, Section 5.2.16.6

Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ankit Agrawal <ankita@nvidia.com>
Message-Id: <20240308145525.10886-4-ankita@nvidia.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 hw/i386/acpi-build.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 15242b9096..53f804ac16 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -68,6 +68,7 @@ 
 #include "hw/acpi/utils.h"
 #include "hw/acpi/pci.h"
 #include "hw/acpi/cxl.h"
+#include "hw/acpi/acpi_generic_initiator.h"
 
 #include "qom/qom-qobject.h"
 #include "hw/i386/amd_iommu.h"
@@ -2046,6 +2047,8 @@  build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
         build_srat_memory(table_data, 0, 0, 0, MEM_AFFINITY_NOFLAGS);
     }
 
+    build_srat_generic_pci_initiator(table_data);
+
     /*
      * Entry is required for Windows to enable memory hotplug in OS
      * and for Linux to enable SWIOTLB when booted with less than