Virtual machines from .vdi images

[Chris Rothrock]

I was fairly sure that was the reason myself.  I will continue on my end at
this point to see if I can get the AMD AHCI controller to work by
instrumenting the current AHCI driver.  If I can get this to work I will
certainly provide my updates to the Genode team to help expand in this
regard.

On Mon, Dec 18, 2017 at 8:38 AM, Christian Helmuth <
christian.helmuth at ...1...> wrote:

> Hello Chris,
>
> On Thu, Dec 14, 2017 at 10:45:37AM -0500, Chris Rothrock wrote:
> > Here is the output from these two commands.
> [...]
> >         *-storage
> >              description: RAID bus controller
> >              product: SATA Controller [RAID mode] [8086:2822]
> >              vendor: Intel Corporation [8086]
> >              physical id: 17
> >              bus info: pci at ...332...:00:17.0
> >              version: 31
> >              width: 32 bits
> >              clock: 66MHz
> >              capabilities: storage msi pm bus_master cap_list
> >              configuration: driver=ahci latency=0
> >              resources: irq:123 memory:d1048000-d1049fff
> memory:d104e000-d104e0ff ioport:3080(size=8) ioport:3088(size=4)
> ioport:3060(size=32) memory:d104c000-d104c7ff
> [...]
> >      *-scsi:0
> >           physical id: 2
> >           logical name: scsi0
> >           capabilities: emulated
> >         *-disk
> >              description: ATA Disk
> >              product: WDC WD5000AZLX-6
> >              vendor: Western Digital
> >              physical id: 0.0.0
> >              bus info: scsi at ...361...:0.0.0
> >              logical name: /dev/sda
> >              version: 1A01
> >              serial: [REMOVED]
> >              size: 465GiB (500GB)
> >              capabilities: gpt-1.00 partitioned partitioned:gpt
> >              configuration: ansiversion=5 guid=eaaf6998-3866-45df-b02d-8820514d2968
> logicalsectorsize=512 sectorsize=4096
> [...]
> > 00:17.0 RAID bus controller [0104]: Intel Corporation SATA Controller
> [RAID
> > mode] [8086:2822] (rev 31)
> > Subsystem: Hewlett-Packard Company SATA Controller [RAID mode]
> [103c:802e]
> > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> > Stepping- SERR+ FastB2B- DisINTx+
> > Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
> > <MAbort- >SERR- <PERR- INTx-
> > Latency: 0
> > Interrupt: pin A routed to IRQ 123
> > Region 0: Memory at d1048000 (32-bit, non-prefetchable) [size=8K]
> > Region 1: Memory at d104e000 (32-bit, non-prefetchable) [size=256]
> > Region 2: I/O ports at 3080 [size=8]
> > Region 3: I/O ports at 3088 [size=4]
> > Region 4: I/O ports at 3060 [size=32]
> > Region 5: Memory at d104c000 (32-bit, non-prefetchable) [size=2K]
> > Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
> > Address: fee00238  Data: 0000
> > Capabilities: [70] Power Management version 3
> > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-
> )
> > Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
> > Capabilities: [a8] SATA HBA v1.0 BAR4 Offset=00000004
> > Kernel driver in use: ahci
> > Kernel modules: ahci
>
> I had a thorough look at the information above and unfortunately this
> storage configuration is not supported by Genode currently. The
> reasons are:
>
> 1) The storage controller does not appear as AHCI device but as SATA
>    RAID mode controller. Therefore, our platform_drv does not provide
>    access to the I/O resources to the AHCI driver.
>
> 2) If ahci_drv had access to the device it would not use it as we did
>    not implement any special handling of RAID mode controllers. It may
>    be possible to extend the driver by means to drive the device via
>    BAR4 (I/O ports 3060+32) but I have no experience with this
>    operation.
>
> Regards
> --
> Christian Helmuth
> Genode Labs
>
> https://www.genode-labs.com/ · https://genode.org/
> https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/
>
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-- 


Thank You,

Chris Rothrock
Senior System Administrator
(315) 308-1637
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