From: John Snow <jsnow@redhat.com>
To: David Kozub <zub@linux.fjfi.cvut.cz>
Cc: kwolf@redhat.com, Stefan Hajnoczi <stefanha@gmail.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Emulation of TCG OPAL self-encrypting drive
Date: Thu, 24 Jan 2019 12:41:21 -0500 [thread overview]
Message-ID: <dec1406d-464a-1245-0e7d-7ad31e6c1d48@redhat.com> (raw)
In-Reply-To: <alpine.LRH.2.21.1901241039400.4050@linux.fjfi.cvut.cz>
On 1/24/19 5:24 AM, David Kozub wrote:
>>
>
> libata seems to support SCSI / ATA Translation, including ATA PASS
> THROUGH (12) and ATA PASS THROUGH (16). Is this not sufficient? (The
> implementation can be seen in ata_scsi_pass_thru.)
>
Oh, I missed this! Thanks for pointing it out. I'll take a look and see
if I can recommend where to start making incisions in QEMU.
>> ...but you could create an emulated SCSI disk and then pass those SCSI
>> commands to an ATA device -- achieving a *kind* of pass through, but I
>> don't know if that's helpful to your project. If so, I'd start looking
>> at the scsi disk sources instead of the ATA sources.
>
> Perhaps. Or maybe fogetting about pass-through and really just
> implementing OPAL in QEMU.
prev parent reply other threads:[~2019-01-24 17:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-05 18:27 [Qemu-devel] Emulation of TCG OPAL self-encrypting drive David Kozub
2019-01-07 9:16 ` Stefan Hajnoczi
2019-01-09 23:05 ` David Kozub
2019-01-10 10:32 ` Stefan Hajnoczi
2019-01-16 22:35 ` John Snow
2019-01-17 23:04 ` David Kozub
2019-01-18 0:01 ` John Snow
2019-01-23 22:39 ` David Kozub
2019-01-23 22:58 ` John Snow
2019-01-24 10:24 ` David Kozub
2019-01-24 17:41 ` John Snow [this message]
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