From: David Gibson <dwg@au1.ibm.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: aliguori@us.ibm.com, kraxel@redhat.com, joerg.roedel@amd.com,
agraf@suse.de, qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>,
eduard.munteanu@linux360.ro, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 1/9] Add stub functions for PCI device models to do PCI DMA
Date: Thu, 13 Oct 2011 02:43:06 +1100 [thread overview]
Message-ID: <20111012154306.GS4849@truffala.fritz.box> (raw)
In-Reply-To: <20111012072201.GB7514@redhat.com>
On Wed, Oct 12, 2011 at 09:22:01AM +0200, Michael S. Tsirkin wrote:
> On Wed, Oct 12, 2011 at 02:07:46PM +1100, David Gibson wrote:
> > Um.. why? PCI is defined by the spec to be LE, so I don't see that we
> > need explicit endianness versions for PCI helpers.
>
> LE in the spec only applies to structures defined by the spec,
> that is pci configuration and msix tables in device memory.
Well, true. But when was the last time you saw a PCI device with BE
registers? I think it's a rare enough case that the individual device
models can reswap themselves.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2011-10-12 15:45 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-05 4:34 [Qemu-devel] [0/9] Preliminary work for IOMMU emulation support; the easy bits (v2) David Gibson
2011-09-05 4:34 ` [Qemu-devel] [PATCH 1/9] Add stub functions for PCI device models to do PCI DMA David Gibson
2011-10-02 10:25 ` Michael S. Tsirkin
2011-10-02 10:29 ` Avi Kivity
2011-10-02 10:52 ` Michael S. Tsirkin
2011-10-02 10:58 ` Avi Kivity
2011-10-02 11:17 ` Michael S. Tsirkin
2011-10-02 11:28 ` Alexander Graf
2011-10-02 11:43 ` Michael S. Tsirkin
2011-10-02 12:01 ` Avi Kivity
2011-10-02 12:14 ` Michael S. Tsirkin
2011-10-02 12:26 ` Avi Kivity
2011-10-03 13:17 ` Anthony Liguori
2011-10-12 3:09 ` David Gibson
2011-10-12 9:12 ` Michael S. Tsirkin
2011-10-14 2:14 ` David Gibson
2011-10-16 12:50 ` Michael S. Tsirkin
2011-10-16 13:15 ` Avi Kivity
2011-10-18 1:46 ` David Gibson
2011-10-19 0:31 ` Rusty Russell
2011-10-19 1:22 ` Michael S. Tsirkin
2011-10-19 9:10 ` Avi Kivity
2011-10-20 2:58 ` David Gibson
2011-10-12 3:07 ` David Gibson
2011-10-12 7:22 ` Michael S. Tsirkin
2011-10-12 15:43 ` David Gibson [this message]
2011-10-12 15:45 ` David Gibson
2011-10-12 3:11 ` David Gibson
2011-10-12 8:44 ` Michael S. Tsirkin
2011-10-12 9:08 ` Gerd Hoffmann
2011-10-03 13:10 ` Anthony Liguori
2011-09-05 4:34 ` [Qemu-devel] [PATCH 2/9] rtl8139: Use PCI DMA stub functions David Gibson
2011-09-05 4:34 ` [Qemu-devel] [PATCH 3/9] eepro100: " David Gibson
2011-10-02 11:45 ` Michael S. Tsirkin
2011-10-14 2:15 ` David Gibson
2011-09-05 4:34 ` [Qemu-devel] [PATCH 4/9] ac97: " David Gibson
2011-09-05 4:35 ` [Qemu-devel] [PATCH 5/9] es1370: " David Gibson
2011-09-05 4:35 ` [Qemu-devel] [PATCH 6/9] e1000: " David Gibson
2011-09-05 4:35 ` [Qemu-devel] [PATCH 7/9] lsi53c895a: " David Gibson
2011-09-05 4:35 ` [Qemu-devel] [PATCH 8/9] pcnet-pci: " David Gibson
2011-09-05 4:35 ` [Qemu-devel] [PATCH 9/9] intel-hda: " David Gibson
2011-09-16 6:58 ` [Qemu-devel] [0/9] Preliminary work for IOMMU emulation support; the easy bits (v2) David Gibson
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