AHCI driver progress report - hot-swap PM and parallel probe!

[Matthias Schmidt]

* Matthew Dillon wrote:
> 
>     I would like to stick the AHCI driver into GENERIC and go with it for
>     the release.  The only sticking point is that people who update and who
>     have AHCI devices will have to rename their disks in /etc/fstab and
>     /etc/rc.conf (and maybe even /boot/loader.conf if you use a BOOT+HAMMER
>     setup).

Just a quick note:  I tested the AHCI driver here and everything works
flawlessly (until now :)

ahci0: <AHCI-PCI-SATA> port 0x3020-0x303f,0x3458-0x345b,0x3430-0x3437,0x345c-0x345f,0x3438-0x343f mem 0x93226000-0x932267ff irq 9 at device 31.2 on pci0
match generic sata
ahci0: AHCI 1.2 capabilities 0xe722ffc5<S64A,NCQ,SSNTF,SALP,SAL,SCLO,SPM,PMD,SSC,PSC,CCCS,EMS>, 6 ports, 32 tags/port, gen 1 (1.5Gbps) and 2 (3Gbps)
ahci0.0: PMPROBE First FIS failed
ahci0.1: No device detected
ahci0.2: No device detected
ahci0.3: No device detected
ahci0.4: No device detected
ahci0.0: Poll timeout slot 1 CMD: 6c117<HPCP,PMA,CR,FR,FRE,POD,SUD,ST> TFD: 0x1d0<BSY> SERR: 0
ahci0.0: PMPROBE Second FIS failed
ahci0.0: Found DISK "Hitachi HDT725032VLA360 V54OA7EA" serial="      VFK201R81XPWDX"
ahci0.0: tags=32/32 satacap=0706 satafea=005e NCQ=YES capacity=305245.33MB


da0 at ahci0 bus 0 target 0 lun 0
da0: <SATA Hitachi HDT72503 V54O> Fixed Direct Access SCSI-4 device 
da0: 300.000MB/s transfers
da0: 305245MB (625142448 512 byte sectors: 255H 63S/T 38913C)
Mounting root from hammer:da0s1d

Cheers

	Matthias