From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: TRIM/UNMAP/DISCARD via ATA Passthrough
Date: Thu, 15 Sep 2016 12:07:20 -0400 [thread overview]
Message-ID: <yq1twdhb0zr.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <CAHmME9pX1sSdFLfsgBqunh=5ttmPg5-vAzvTEfD1Xt4NBk6JzA@mail.gmail.com> (Jason A. Donenfeld's message of "Thu, 15 Sep 2016 17:41:25 +0200")
>>>>> "Jason" == Jason A Donenfeld <Jason@zx2c4.com> writes:
Jason,
>> How do they signal that they support the passthrough?
Jason> Through the usual SCSI ATA-passthrough interface, "SAT" (SCSI-ATA
Jason> Command Translation) -- ATA PASS THROUGH SCSI (16) and ATA PASS
Jason> THROUGH SCSI (12).
But how do they signal that ATA passthrough is possible? Is there an ATA
Information VPD page? Is REPORT SUPPORTED OPERATION CODES supported?
We need really solid discovery data before we can entertain enabling
something like this.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2016-09-15 16:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-12 18:50 Jason A. Donenfeld
2016-09-13 17:45 ` Henrique de Moraes Holschuh
2016-09-14 18:37 ` Martin K. Petersen
2016-09-15 15:41 ` Jason A. Donenfeld
2016-09-15 16:07 ` Martin K. Petersen [this message]
2016-09-15 20:52 ` Jason A. Donenfeld
2016-09-16 11:16 ` Hannes Reinecke
2016-09-16 15:53 ` Austin S. Hemmelgarn
2016-09-16 16:21 ` James Bottomley
2016-09-16 17:06 ` Austin S. Hemmelgarn
2016-09-17 1:24 ` Jason A. Donenfeld
2016-09-17 5:14 ` James Bottomley
2016-09-19 13:01 ` Austin S. Hemmelgarn
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