jack-chen1688

Hi fxkamd, In ATS spec, ATC is used by ATS. Below is from ATS spec chapter 2, this is what ATS does. A TA does translations. An ATC can cache...

Can 1 work on Lexa? I have GPU passed through to guest OS and can run HIP program in guest OS. The ATS enable bit (ATSCtl: Enable+ in the above...

Thanks a lot for the information you provided. I got the following from the AMD IOMMU spec. Translation Agent is a PCI-SIG term to refer to the IOMMU table walker....

Thanks a lot for your suggestion. I have tried it out on my set-up with Lexa Pro GPU and here is some info. 1. kernel parameters from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-5.15.77+ root=UUID=af2eabd5-ad67-4db2-8342-13def92d087c...

Here is more info I gathered. 1. Traced the IOVA -> physical address mapping created for the GPU device in the function of iommu_v1_map_page based on domain id. [90630.774835] AMD-Vi:...

Using run_qemu.sh, cxl-for-6.0 and latest qemu + two minor patches related to get_lsa and set_lsa, I created an region using sysfs with configuration of interleave ways = 2, and then...