diff mbox series

[v2,3/8] hw/arm/virt-acpi-build: Add VIOT table for virtio-iommu

Message ID 20210903143208.2434284-4-jean-philippe@linaro.org
State New
Headers show
Series virtio-iommu: Add ACPI support | expand

Commit Message

Jean-Philippe Brucker Sept. 3, 2021, 2:32 p.m. UTC
When a virtio-iommu is instantiated, describe it using the ACPI VIOT
table.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>

---
 hw/arm/Kconfig           | 1 +
 hw/arm/virt-acpi-build.c | 7 +++++++
 2 files changed, 8 insertions(+)

-- 
2.33.0

Comments

Eric Auger Sept. 6, 2021, 2:28 p.m. UTC | #1
Hi Jean,

On 9/3/21 4:32 PM, Jean-Philippe Brucker wrote:
> When a virtio-iommu is instantiated, describe it using the ACPI VIOT

> table.

>

> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>


Reviewed-by: Eric Auger <eric.auger@redhat.com>


Thanks

Eric

> ---

>  hw/arm/Kconfig           | 1 +

>  hw/arm/virt-acpi-build.c | 7 +++++++

>  2 files changed, 8 insertions(+)

>

> diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig

> index 4ba0aca067..7da0422446 100644

> --- a/hw/arm/Kconfig

> +++ b/hw/arm/Kconfig

> @@ -29,6 +29,7 @@ config ARM_VIRT

>      select ACPI_HW_REDUCED

>      select ACPI_NVDIMM

>      select ACPI_APEI

> +    select ACPI_VIOT

>  

>  config CHEETAH

>      bool

> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c

> index 037cc1fd82..e2fa677d80 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

>  

> @@ -849,6 +850,12 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)

>      }

>  #endif

>  

> +    if (vms->iommu == VIRT_IOMMU_VIRTIO) {

> +        acpi_add_table(table_offsets, tables_blob);

> +        build_viot(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 mbox series

Patch

diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 4ba0aca067..7da0422446 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -29,6 +29,7 @@  config ARM_VIRT
     select ACPI_HW_REDUCED
     select ACPI_NVDIMM
     select ACPI_APEI
+    select ACPI_VIOT
 
 config CHEETAH
     bool
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 037cc1fd82..e2fa677d80 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
 
@@ -849,6 +850,12 @@  void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
     }
 #endif
 
+    if (vms->iommu == VIRT_IOMMU_VIRTIO) {
+        acpi_add_table(table_offsets, tables_blob);
+        build_viot(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,