Re: [PATCH 8/9] gpu: nova-core: set RMSetSriovMode when NVIDIA vGPU is enabled

[Alexandre Courbot]

On Thu Jun 4, 2026 at 8:43 PM JST, Zhi Wang wrote:
> The registry object "RMSetSriovMode" is required to be set when vGPU is
> enabled.
>
> Convert SetRegistry to use KVec<RegistryEntry> for dynamic construction,
> allowing entries to be added conditionally at runtime.
>
> Set "RMSetSriovMode" to 1 when nova-core is loading the GSP firmware and
> initialize the GSP registry objects, if vGPU is enabled.
>
> Signed-off-by: Zhi Wang <zhiw@xxxxxxxxxx>

Can you split the conversion to `KVec` and the addition of
`RMSetSriovMode` into two separate patches? The conversion to `KVec`
will likely be useful on its own, and splitting also makes review easier
as the concerns are well-separated.

<...>
> @@ -299,6 +299,7 @@ pub(crate) enum MsgFunction {
>      OsErrorLog = bindings::NV_VGPU_MSG_EVENT_OS_ERROR_LOG,
>      PostEvent = bindings::NV_VGPU_MSG_EVENT_POST_EVENT,
>      RcTriggered = bindings::NV_VGPU_MSG_EVENT_RC_TRIGGERED,
> +    GpuacctPerfmonUtilSamples = bindings::NV_VGPU_MSG_EVENT_GPUACCT_PERFMON_UTIL_SAMPLES,
>      UcodeLibOsPrint = bindings::NV_VGPU_MSG_EVENT_UCODE_LIBOS_PRINT,
>  }
>  
> @@ -348,6 +349,9 @@ fn try_from(value: u32) -> Result<MsgFunction> {
>              bindings::NV_VGPU_MSG_EVENT_OS_ERROR_LOG => Ok(MsgFunction::OsErrorLog),
>              bindings::NV_VGPU_MSG_EVENT_POST_EVENT => Ok(MsgFunction::PostEvent),
>              bindings::NV_VGPU_MSG_EVENT_RC_TRIGGERED => Ok(MsgFunction::RcTriggered),
> +            bindings::NV_VGPU_MSG_EVENT_GPUACCT_PERFMON_UTIL_SAMPLES => {
> +                Ok(MsgFunction::GpuacctPerfmonUtilSamples)
> +            }

Why is this needed?