[v5] hw/arm/virt: Add support for user creatable SMMUv3 device

[PATCH v5 08/11] qemu-options.hx: Document the arm-smmuv3 device

Posted by Shameer Kolothum via 4 months, 3 weeks ago

Now that arm,virt can have user-creatable smmuv3 devices, document it.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
---
 qemu-options.hx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/qemu-options.hx b/qemu-options.hx
index 7eb8e02b4b..7d1a12f7ef 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1226,6 +1226,13 @@ SRST
     ``aw-bits=val`` (val between 32 and 64, default depends on machine)
         This decides the address width of the IOVA address space.
 
+``-device arm-smmuv3,primary-bus=id``
+    This is only supported by ``-machine virt`` (ARM).
+
+    ``primary-bus=id``
+        Accepts either the default root complex (pcie.0) or a
+        pxb-pcie based root complex.
+
 ERST
 
 DEF("name", HAS_ARG, QEMU_OPTION_name,
-- 
2.34.1

Re: [PATCH v5 08/11] qemu-options.hx: Document the arm-smmuv3 device

Posted by Eric Auger 4 months, 3 weeks ago


On 6/23/25 11:42 AM, Shameer Kolothum wrote:
> Now that arm,virt can have user-creatable smmuv3 devices, document it.
>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>

Eric
> ---
>  qemu-options.hx | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 7eb8e02b4b..7d1a12f7ef 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -1226,6 +1226,13 @@ SRST
>      ``aw-bits=val`` (val between 32 and 64, default depends on machine)
>          This decides the address width of the IOVA address space.
>  
> +``-device arm-smmuv3,primary-bus=id``
> +    This is only supported by ``-machine virt`` (ARM).
> +
> +    ``primary-bus=id``
> +        Accepts either the default root complex (pcie.0) or a
> +        pxb-pcie based root complex.
> +
>  ERST
>  
>  DEF("name", HAS_ARG, QEMU_OPTION_name,

Re: [PATCH v5 08/11] qemu-options.hx: Document the arm-smmuv3 device

Posted by Jonathan Cameron via 4 months, 3 weeks ago

On Mon, 23 Jun 2025 10:42:27 +0100
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> wrote:

> Now that arm,virt can have user-creatable smmuv3 devices, document it.
> 
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>

> ---
>  qemu-options.hx | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 7eb8e02b4b..7d1a12f7ef 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -1226,6 +1226,13 @@ SRST
>      ``aw-bits=val`` (val between 32 and 64, default depends on machine)
>          This decides the address width of the IOVA address space.
>  
> +``-device arm-smmuv3,primary-bus=id``
> +    This is only supported by ``-machine virt`` (ARM).
> +
> +    ``primary-bus=id``
> +        Accepts either the default root complex (pcie.0) or a
> +        pxb-pcie based root complex.
> +
>  ERST
>  
>  DEF("name", HAS_ARG, QEMU_OPTION_name,