When a virtio-iommu is instantiated, describe it using the ACPI VIOT
table.
Reviewed-by: Eric Auger <eric.au...@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-phili...@linaro.org>
---
hw/arm/virt-acpi-build.c | 7 +++++++
hw/arm/Kconfig | 1 +
2 files changed, 8 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 6cec97352b..e26639e1e1 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -55,6 +55,7 @@
#include "kvm_arm.h"
#include "migration/vmstate.h"
#include "hw/acpi/ghes.h"
+#include "hw/acpi/viot.h"
#define ARM_SPI_BASE 32
@@ -934,6 +935,12 @@ void virt_acpi_build(VirtMachineState *vms,
AcpiBuildTables *tables)
}
#endif
+ if (vms->iommu == VIRT_IOMMU_VIRTIO) {
+ acpi_add_table(table_offsets, tables_blob);
+ build_viot(ms, tables_blob, tables->linker, vms->virtio_iommu_bdf,
+ vms->oem_id, vms->oem_table_id);
+ }
+
/* XSDT is pointed to by RSDP */
xsdt = tables_blob->len;
build_xsdt(tables_blob, tables->linker, table_offsets, vms->oem_id,
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 2d37d29f02..e652590943 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -27,6 +27,7 @@ config ARM_VIRT
select DIMM
select ACPI_HW_REDUCED
select ACPI_APEI
+ select ACPI_VIOT
config CHEETAH
bool
--
2.33.0
