https://nalar.dev/tags/ats/ Recent content in ATS on Nalar Hugo en-us Sat, 19 Sep 2026 00:00:00 +0000 https://nalar.dev/pcie-ats-moves-address-translation-caching-into-the-device/ Sat, 19 Sep 2026 00:00:00 +0000 https://nalar.dev/pcie-ats-moves-address-translation-caching-into-the-device/ <h1 id="pcie-ats-moves-address-translation-caching-into-the-device">PCIe ATS Moves Address Translation Caching Into the Device</h1> <p>An IOMMU can translate DMA addresses on behalf of a device, but that arrangement puts translation machinery in the path of device memory traffic. PCIe Address Translation Services (ATS) adds another option: a capable device can request a translation and retain the result in its own translation cache. Later transactions can carry the translated address instead of requiring the same translation work at the IOMMU for every access.</p>