From: Paolo Bonzini <pbonzini@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>, seabios@seabios.org
Cc: qemu-devel@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 02/18] virtio: run drivers in 32bit mode
Date: Fri, 3 Jul 2015 08:45:24 +0200 [thread overview]
Message-ID: <55962F84.1090902@redhat.com> (raw)
In-Reply-To: <1435568020-8669-3-git-send-email-kraxel@redhat.com>
On 29/06/2015 10:53, Gerd Hoffmann wrote:
> virtio version 1.0 registers can (and actually do in the qemu
> implementation) live in mmio space. So we must run the blk and
> scsi virtio drivers in 32bit mode, otherwise we can't access them.
>
> This also allows to drop a bunch of GET_LOWFLAT calls from the virtio
> code in the following patches.
This isn't really necessary though. The config access capability exists
for this reason. At least as a follow up it would be nice to add a switch.
Paolo
next prev parent reply other threads:[~2015-07-03 6:45 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-29 8:53 [Qemu-devel] [PATCH 00/18] virtio: add version 1.0 support Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 01/18] pci: allow to loop over capabilities Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 02/18] virtio: run drivers in 32bit mode Gerd Hoffmann
2015-07-03 6:45 ` Paolo Bonzini [this message]
2015-07-03 7:12 ` [Qemu-devel] [SeaBIOS] " Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 03/18] virtio: add struct vp_device Gerd Hoffmann
2015-06-29 12:48 ` [Qemu-devel] [SeaBIOS] " Kevin O'Connor
2015-06-29 13:33 ` Gerd Hoffmann
2015-06-30 6:31 ` Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 04/18] virtio: pass struct pci_device to vp_init_simple Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 05/18] virtio: add version 1.0 structs and #defines Gerd Hoffmann
2015-06-29 13:19 ` [Qemu-devel] [SeaBIOS] " Kevin O'Connor
2015-06-29 13:35 ` Gerd Hoffmann
2015-06-29 14:21 ` Kevin O'Connor
2015-06-29 8:53 ` [Qemu-devel] [PATCH 06/18] virtio: find version 1.0 virtio capabilities Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 07/18] virtio: add version 1.0 read/write macros Gerd Hoffmann
2015-06-29 13:02 ` [Qemu-devel] [SeaBIOS] " Kevin O'Connor
2015-06-29 13:46 ` Gerd Hoffmann
2015-06-29 14:14 ` Kevin O'Connor
2015-06-29 8:53 ` [Qemu-devel] [PATCH 08/18] virtio: make features 64bit, support version 1.0 features Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 09/18] virtio: add version 1.0 support to vp_{get, set}_status Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 10/18] virtio: add version 1.0 support to vp_get_isr Gerd Hoffmann
2015-06-29 14:00 ` [Qemu-devel] [SeaBIOS] " Kevin O'Connor
2015-06-29 14:33 ` Gerd Hoffmann
2015-06-29 14:36 ` Kevin O'Connor
2015-06-29 8:53 ` [Qemu-devel] [PATCH 11/18] virtio: add version 1.0 support to vp_reset Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 12/18] virtio: add version 1.0 support to vp_notify Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 13/18] virtio: remove unused vp_del_vq Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 14/18] virtio: add version 1.0 support to vp_find_vq Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 15/18] virtio-scsi: fix initialization for version 1.0 Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 16/18] virtio-blk: " Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 17/18] virtio: use version 1.0 if available (flip the big switch) Gerd Hoffmann
2015-06-29 8:53 ` [Qemu-devel] [PATCH 18/18] virtio: also probe version 1.0 pci ids Gerd Hoffmann
2015-06-29 14:26 ` [Qemu-devel] [SeaBIOS] [PATCH 00/18] virtio: add version 1.0 support Kevin O'Connor
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