2 DELAY's might tsleep, so interrupts might run. fix poll loop to detect
3 completion via other interrupts.
5 Locking serialize_enter/exit. Lots of recursion. Needs help. Use
6 lockmgr()? Needs to be converted to per-port locking, also.
8 Port multiplier support (basics are now in)
10 Simulate various mode pages (serial number access and so forth).
12 ------ Misc probe info --------
15 <S64A,NCQ,SSNTF,SALP,SAL,SCLO,PMD,SSC,PSC,CCCS,EMS>,
16 6 ports, 32 tags/port, gen 1 (1.5Gbps) and 2 (3Gbps)
18 ahci0: AHCI 1.2 capabilities 0xe3229f05
19 <S64A,NCQ,SSNTF,SAL,SCLO,SPM,PMD>, 6 ports, 32 tags/port, gen 1 (1.5Gbps) and 2 (3Gbps)
22 Chipsets supporting FBSS (FIS-Based Switching):