Fw:how test the Translation Support for SMMUv3?

[Ben]

Hi Nicolin,

I saw your pachset on https://lwn.net/Articles/931502/ , i have built the kernel and qemu you provided in cover letter.
I run a QEMU system as Host, and launch a VM by kvmtool. But i cannot find a IOMMU on VM, how do you test your patchset? would you like provide your steps?


BTW, I add a printk on arm_smmu_device_hw_probe() to print out the smmu->features , it looks your QEMU still only support ARM_SMMU_FEAT_TRANS_S1.


Does it provide a vIOMMU of SMMUv3 for your kernel and qemu patchset?


Best
Ben