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Date: Tue, 23 Apr 2013 15:15:40 +0200
From: Thomas Mueller <tmueller@sysgo.com>
To: Jeremy Chadwick <jdc@koitsu.org>
Subject: Re: ada(4) and ahci(4) quirk printing
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Cc: Kenneth Merry <ken@freebsd.org>, Alexander Motin <mav@FreeBSD.org>,
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On Tue, 23 Apr 2013 05:15:06 -0700, Jeremy Chadwick wrote:
> On Tue, Apr 23, 2013 at 01:55:15PM +0300, Alexander Motin wrote:
> > Virtual machine?
> 
> Depends on the kind of VM.  The ones I've used (VMware Workstation,
> VirtualBox, and KQemu) emulate some hardware -- usually for storage,
> using a PIIX4 with classic IDE, or sometimes SCSI.  I've yet to see one
> which offers AHCI or native SATA.

VirtualBox emulates AHCI, SCSI (LsiLogic and Buslogic), and
SAS (LsiLogic) controllers. This is what I see with VirtualBox 4.2.6
running 9.1-STABLE amd64 as both host and guest operating system:

 $ pciconf -lv
 [...]
 mpt0@pci0:0:20:0:       class=0x010000 card=0x80001000 chip=0x00301000 rev=0x00 hdr=0x00
    vendor     = 'LSI Logic / Symbios Logic'
    device     = '53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI'
    class      = mass storage
    subclass   = SCSI
 bt0@pci0:0:21:0:        class=0x010000 card=0x1040104b chip=0x1040104b rev=0x01 hdr=0x00
    vendor     = 'BusLogic'
    device     = 'BT-946C (BA80C30) [MultiMaster 10]'
    class      = mass storage
    subclass   = SCSI
 mpt1@pci0:0:22:0:       class=0x010000 card=0x80001000 chip=0x00541000 rev=0x00 hdr=0x00
    vendor     = 'LSI Logic / Symbios Logic'
    device     = 'SAS1068 PCI-X Fusion-MPT SAS'
    class      = mass storage
    subclass   = SCSI
 ahci0@pci0:0:31:2:      class=0x010601 card=0x00000000 chip=0x28298086 rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller'
    class      = mass storage
    subclass   = SATA

-- 
Thomas Mueller