DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
cc 8.3 [DragonFly] Release/2019-02-22

--- nataraid availability ---
/boot/kernel/nataraid.ko   (loadable module; not currently loaded)
nata controller stack is opt-in (optional nataraid in sys/conf/files:143)

--- on-disk struct sizes (verified in-guest) ---
sizeof(nvidia_raid_conf) = 512
sizeof(intel_raid_conf)  = 512
intel meta kmalloc size  = 1536

--- module-build validation of patched source ---
cd /usr/src/sys/dev/disk/nata/nataraid && make
  -> cc -Werror ... -c ata-raid.c
  -> cc -Wl,... -r -o nataraid.ko ata-raid.o
  -> RC=0, /usr/obj/usr/src/sys/dev/disk/nata/nataraid/nataraid.ko produced
Source then reverted (patch -p1 -R).