Re: [PATCH v3 07/22] iommu/amd: Add support for AMD vIOMMU VF MMIO region

[Jason Gunthorpe]

On Mon, Jun 29, 2026 at 03:35:20PM +0000, Suravee Suthikulpanit wrote:
>  
> +/*
> + * Returns VF MMIO BAR offset for the give guest ID which will be
> + * mapped to guest vIOMMU 3rd 4K MMIO address
> + */
> +u64 amd_viommu_get_vfmmio_addr(struct amd_iommu *iommu, u16 gid)
> +{
> +	/* TODO: Add check for sVIOMMU and set gid[bit 15] */
> +	return iommu->vf_base_phys + gid * VIOMMU_VF_MMIO_ENTRY_SIZE;
> +}
> +EXPORT_SYMBOL(amd_viommu_get_vfmmio_addr);

Why is this exported?

Jason