From: "David S. Miller" <davem@redhat.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces.
Date: Fri, 16 May 2003 00:17:20 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590723705871@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590723705823@msgid-missing>
From: Colin Ngam <cngam@sgi.com>
Date: Thu, 15 May 2003 18:57:09 -0500
It is in the PCI-X Spec that all PCI-X devices in PCI-X Mode have
to support DAC.
Having to support DAC cycles does not mean that it must support full
64-bit DMA addresses in it's descriptors.
A cost sensitive PCI-X device may wish to use 32-bit addressing in
it's descriptors in order to keep pin counts down etc.
next prev parent reply other threads:[~2003-05-16 0:17 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-15 14:44 [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Colin Ngam
2003-05-15 14:44 ` James Bottomley
2003-05-15 15:05 ` Colin Ngam
2003-05-15 15:06 ` David Mosberger
2003-05-15 15:12 ` James Bottomley
2003-05-15 15:47 ` David Mosberger
2003-05-15 15:48 ` David Mosberger
2003-05-15 15:48 ` Colin Ngam
2003-05-15 15:50 ` Colin Ngam
2003-05-15 19:06 ` Grant Grundler
2003-05-15 19:14 ` David Mosberger
2003-05-15 19:16 ` Grant Grundler
2003-05-15 19:29 ` Grant Grundler
2003-05-15 20:07 ` David S. Miller
2003-05-15 20:15 ` David S. Miller
2003-05-15 20:19 ` David S. Miller
2003-05-15 20:24 ` Jesse Barnes
2003-05-15 21:17 ` Grant Grundler
2003-05-15 21:29 ` Matthew Wilcox
2003-05-15 22:14 ` Colin Ngam
2003-05-15 22:44 ` Colin Ngam
2003-05-15 22:47 ` James Bottomley
2003-05-15 23:24 ` James Bottomley
2003-05-15 23:25 ` Colin Ngam
2003-05-15 23:27 ` David S. Miller
2003-05-15 23:32 ` Colin Ngam
2003-05-15 23:39 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-15 23:40 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Colin Ngam
2003-05-15 23:40 ` David S. Miller
2003-05-15 23:41 ` David S. Miller
2003-05-15 23:42 ` David S. Miller
2003-05-15 23:45 ` Colin Ngam
2003-05-15 23:46 ` David S. Miller
2003-05-15 23:51 ` Colin Ngam
2003-05-15 23:53 ` David S. Miller
2003-05-15 23:57 ` Colin Ngam
2003-05-16 0:03 ` David S. Miller
2003-05-16 0:06 ` David S. Miller
2003-05-16 0:11 ` David S. Miller
2003-05-16 0:17 ` David S. Miller [this message]
2003-05-16 0:29 ` Jesse Barnes
2003-05-16 0:31 ` James Bottomley
2003-05-16 0:31 ` David S. Miller
2003-05-16 0:32 ` Colin Ngam
2003-05-16 0:32 ` David S. Miller
2003-05-16 0:36 ` Colin Ngam
2003-05-16 0:37 ` Jesse Barnes
2003-05-16 0:48 ` Colin Ngam
2003-05-16 0:59 ` David S. Miller
2003-05-16 1:20 ` Grant Grundler
2003-05-16 1:23 ` David S. Miller
2003-05-16 1:51 ` Grant Grundler
2003-05-16 1:59 ` Colin Ngam
2003-05-16 2:05 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent James Bottomley
2003-05-16 2:08 ` David S. Miller
2003-05-16 2:26 ` James Bottomley
2003-05-16 2:32 ` David S. Miller
2003-05-16 6:47 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Jeremy Higdon
2003-05-16 6:55 ` David S. Miller
2003-05-16 7:15 ` Jeremy Higdon
2003-05-16 7:35 ` Jeremy Higdon
2003-05-16 7:48 ` Jeremy Higdon
2003-05-16 7:53 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-16 8:00 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Jeremy Higdon
2003-05-16 17:36 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent James Bottomley
2003-05-16 17:59 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Grant Grundler
2003-05-16 18:13 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent James Bottomley
2003-05-16 18:18 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Russell King
2003-05-16 18:23 ` Grant Grundler
2003-05-16 18:29 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent James Bottomley
2003-05-16 21:02 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Jes Sorensen
2003-05-16 21:06 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-16 22:39 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Jeremy Higdon
2003-05-16 23:40 ` Jeremy Higdon
2003-05-16 23:53 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-17 4:26 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Grant Grundler
2003-05-17 4:34 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-17 16:44 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Jes Sorensen
2003-05-17 17:06 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Colin Ngam
2003-05-17 18:36 ` James Bottomley
2003-05-17 21:09 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces Russell King
2003-05-17 22:17 ` [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent David S. Miller
2003-05-18 15:53 ` James Bottomley
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