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From: Jeff Garzik <jgarzik@pobox.com>
To: Matthias Andree <matthias.andree@gmx.de>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Promise SATA driver GPL'd
Date: Wed, 27 Aug 2003 07:51:53 -0400	[thread overview]
Message-ID: <3F4C9B59.20504@pobox.com> (raw)
In-Reply-To: <20030827090020.GC9054@merlin.emma.line.org>

Matthias Andree wrote:
> On Tue, 26 Aug 2003, Jeff Garzik wrote:
> 
> 
>>For the future, I'm currently whipping the libata internals into shape 
>>so that Promise may be supported.  Promise hardware supports native 
>>command queueing, a lot like many SCSI adapters.
> 
> 
> Is that true even for the older stuff such as a PDC20265?

PATA stuff will continue to be supported via drivers/ide, I'm only 
shooting for the newer SATA stuff.


> It appears that FreeBSD 4-STABLE blacklists some older (before-TX2)
> Promise chips because they apparently lock up when used with tagged
> command queueing. I haven't yet looked at the ATAng driver merged into
> FreeBSD 5-CURRENT.


ATA tagged command queueing is a bunch of crap.  :)  I'm not sure 
whether I want to implement it or not.

I was referring to _native_ command queueing.  ATA TCQ is something 
different.  ATA TCQ does not allow multiple outstanding scatter/gather 
tables to be sent to the host controller.   Native command queuing does.

	Jeff




  reply	other threads:[~2003-08-27 11:52 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-22 18:45 Promise SATA driver GPL'd Erik Andersen
2003-07-22 18:54 ` Jeff Garzik
2003-07-22 19:07   ` Erik Andersen
2003-07-22 19:39     ` Samuel Flory
2003-07-22 20:56     ` Jeff Garzik
2003-07-22 21:39       ` Erik Andersen
2003-07-22 23:25         ` Jeff Garzik
2003-08-27  3:01         ` Nick Urbanik
2003-08-27  3:14           ` Jeff Garzik
2003-08-27  9:00             ` Matthias Andree
2003-08-27 11:51               ` Jeff Garzik [this message]
2003-07-22 20:57     ` Jeff Garzik
2003-07-23 13:20     ` Mark Watts
2003-07-23  1:59 ` Andre Hedrick
2003-07-23  2:38   ` Shawn
2003-07-23 10:32   ` Alan Cox
2003-07-23 18:58     ` Andre Hedrick
2003-07-24 11:22       ` Matthias Andree
2003-08-13 13:34     ` Vojtech Pavlik
2003-08-13 14:24       ` Jeff Garzik
2003-08-15 10:17         ` Andre Hedrick
2003-07-25  3:44 ` Milan Roubal
2003-07-23  5:12 Adam J. Richter
2003-07-23  5:28 ` Andre Hedrick
2003-07-23  9:08   ` Adrian Bunk
2003-07-23 10:12     ` Matthias Andree
2003-07-23 10:21       ` Wichert Akkerman
2003-07-23 11:47         ` Alan Cox
2003-07-23 11:54           ` Wichert Akkerman
2003-07-23 10:37       ` Adrian Bunk
2003-07-23 10:29     ` Alan Cox
2003-07-23 10:51       ` Adrian Bunk
2003-07-23 11:43         ` Alan Cox
2003-07-23 12:17           ` Adrian Bunk
2003-07-23 12:32           ` Martin Diehl
2003-07-23 12:57             ` Alan Cox
2003-07-23 19:08               ` Andre Hedrick
2003-07-23 19:19                 ` Alan Cox
2003-07-23 19:33                   ` Andre Hedrick
2003-07-23 19:46                   ` Andre Hedrick
2003-07-23 20:59                 ` Roman Zippel
2003-07-23 22:22                   ` Andre Hedrick
2003-07-23 22:40                     ` Roman Zippel
2003-07-23 22:35                       ` Andre Hedrick
2003-07-23 23:02                         ` Roman Zippel
2003-07-23 23:08                           ` Andre Hedrick
2003-07-23 23:33                             ` Roman Zippel
2003-07-23 23:45                               ` Andre Hedrick
2003-07-24  0:14                                 ` dacin
2003-07-24  0:23                                   ` Andre Hedrick
2003-07-24  0:21                     ` David Schwartz
2003-07-24  0:21                       ` Andre Hedrick
2003-07-24 13:23                       ` Jesse Pollard
2003-07-24 14:01                         ` Richard B. Johnson
2003-07-24 18:37                         ` David Schwartz
2003-07-23 22:32                   ` Andre Hedrick
2003-07-23 22:46                     ` Larry McVoy
2003-07-23 23:13                       ` Roman Zippel
2003-07-23 10:40   ` Adam Sampson

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