On 12/11/22 01:49, Alvaro Karsz wrote: >> Alvaro could you pls explain the use-case? Christoph has doubts that >> it's useful. Do you have a device implementing this? > > Our HW exposes virtio devices, virtio block included. > The block device backend can be a eMMC/uSD card. > > The HW can report health values (power, temp, current, voltage) and I > thought that it would be nice to be able to report lifetime values as > well. Why not use block layer passthru interface to fetch this instead of adding non-generic IOCTL ? -ck
