From: Jeremy Higdon <jeremy@sgi.com>
To: "Moore, Eric Dean" <Emoore@lsil.com>
Cc: Alex Williamson <alex.williamson@hp.com>,
jbarnes@sgi.com, bjorn.helgaas@hp.com, willy@debian.org,
James.Bottomley@steeleye.com, linux-scsi@vger.kernel.org
Subject: Re: mpt sets 64bit consistent mask yet requires mapping in same 4 GB chunk?!?
Date: Thu, 19 Feb 2004 22:30:30 -0800 [thread overview]
Message-ID: <20040220063030.GB530179@sgi.com> (raw)
In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E5703EF9453@exa-atlanta.se.lsil.com>
On Thu, Feb 19, 2004 at 12:18:07PM -0500, Moore, Eric Dean wrote:
> My comments <EDM> are embedded below.
>
> > I don't think so, for two reasons.
> >
> > The first is that we require 64 bit PCI addresses for all
> > PCI-X devices.
>
> <EDM>
> I'm not sure what you mean?
> For PCI-X devices - are you saying passing something other than
> 0xFFFFFFFFFFFFFFFF for the mask in pci_set_consistent_dma_mask()
> fails?
Correct. We require PCI-X devices to use the entire 64 address
bits.
jeremy
next prev parent reply other threads:[~2004-02-20 6:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-19 17:18 mpt sets 64bit consistent mask yet requires mapping in same 4 GB chunk?!? Moore, Eric Dean
2004-02-20 6:30 ` Jeremy Higdon [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-02-19 0:03 Moore, Eric Dean
2004-02-19 1:09 ` Jeremy Higdon
2004-02-18 18:41 Moore, Eric Dean
2004-02-18 18:52 ` Alex Williamson
2004-02-18 23:20 ` Jeremy Higdon
2004-02-13 23:23 Moore, Eric Dean
2004-02-13 21:20 Moore, Eric Dean
2004-02-13 21:30 ` Jesse Barnes
2004-02-13 22:52 ` Bjorn Helgaas
2004-02-13 23:08 ` Jeremy Higdon
2004-02-13 23:13 ` Matthew Wilcox
2004-02-13 23:39 ` Jeremy Higdon
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