SATA SSD's DRM Functions and Accessibility Limitations
2025-01-20
A Linux kernel log shows warnings about an Intel SSDSCKJF360A5L SSD: "supports DRM functions and may not be fully accessible." This relates to an ATA protocol extension allowing the storage device to respond differently based on whether a request is signed by the mainboard's trusted platform module. This enables features like preventing modification of video players. Linux might have an incomplete view of the SSD, hence the warning. Additionally, the log notes the SSD's read cache is enabled but doesn't support outdated DPO or FUA techniques, which are irrelevant for SSDs.
Read more
Hardware