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Description of problem:
    After assigning a NVMe/SCSI controller to guest by VFIO, we lose
    everything on the host side. A guest uses these devices exclusively,
    we usually don't care the actions on these devices. But there is a
    low probability that hitting physical hardware warning, we need a
    chance to get the basic smart log info.
    Introduce disk smart, and implement NVMe smart on linux.

Is there code posted somewhere downstream yet or was this part of the qemu-7.2 rebase which was recently completed?

The DTM shows as 02-Jan, which was yesterday - so we need to adjust the expectations of when things are ready.

Changes merged into upstream QEMU v7.1.0.
This change adds the `smart` filed in response for `guest-get-disks` command for NVMe drives.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: qemu-kvm security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2023:2162