Patch reviews

Inline review of the 20-patch series, in the style of a mailing-list reply: quoted patch text with comments between the lines.

1. 01 ctlv: Add the schema language and generator (raw)
2. 02 ctlv: Add the UAPI wire format and family API (raw)
3. 03 ctlv: Add the root family specification and generated files (raw)
4. 04 Documentation: ctlv: Add userspace ABI (raw)
5. 05 ctlv: Prepare message input handling (raw)
6. 06 ctlv: Prepare blob descriptor validation (raw)
7. 07 ctlv: Prepare schema validation (raw)
8. 08 ctlv: Prepare message output handling (raw)
9. 09 ctlv: Prepare VA blob handling (raw)
10. 10 ctlv: Prepare event queue support (raw)
11. 11 ctlv: Prepare runtime introspection (raw)
12. 12 ctlv: Add device and operation dispatch (raw)
13. 13 Documentation: ctlv: Describe how to write a family (raw)
14. 14 attestation: Add the base family specification and generated files (raw)
15. 15 attestation: Prepare provider and instance core (raw)
16. 16 attestation: Prepare measurement register journal (raw)
17. 17 attestation: Add CTLV operation handling (raw)
18. 18 tdx-guest: Expose the native attestation service API (raw)
19. 19 attestation: Add the TDX family specification and generated files (raw)
20. 20 attestation: Add the TDX family implementation (raw)