Re: [PATCH for-5.0 v11 14/20] virtio-iommu: Handle reserved regions in the translation process

[Jean-Philippe Brucker]

On Fri, Nov 22, 2019 at 07:29:37PM +0100, Eric Auger wrote:
> +    for (i = 0; i < s->nb_reserved_regions; i++) {
> +        if (interval.low >= s->reserved_regions[i].low &&
> +            interval.low <= s->reserved_regions[i].high) {
> +            switch (s->reserved_regions[i].type) {
> +            case VIRTIO_IOMMU_RESV_MEM_T_MSI:
> +                entry.perm = flag;
> +                goto unlock;
> +            case VIRTIO_IOMMU_RESV_MEM_T_RESERVED:
> +            default:
> +                virtio_iommu_report_fault(s, VIRTIO_IOMMU_FAULT_R_MAPPING,
> +                                          0, sid, addr);

Needs the VIRTIO_IOMMU_FAULT_F_ADDRESS flag.

Thanks,
Jean