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From: "Marc-André Lureau" <mlureau@redhat.com>
To: Felipe Franciosi <felipe@nutanix.com>
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>,
	qemu-devel@nongnu.org, victork@redhat.com, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2 5/6] contrib: add libvhost-user
Date: Tue, 18 Oct 2016 11:25:21 -0400 (EDT)	[thread overview]
Message-ID: <1124121564.320248.1476804321305.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <7FD18897-996A-489F-9E9A-A51FB417863A@nutanix.com>

Hi Felipe

----- Original Message -----
> Hello,
> 
> > On 18 Oct 2016, at 10:24, Marc-André Lureau <marcandre.lureau@redhat.com>
> > wrote:
> > 
> > <...>
> > 
> > diff --git a/contrib/libvhost-user/libvhost-user.h
> > b/contrib/libvhost-user/libvhost-user.h
> > 
> > <...>
> > 
> > +#define VHOST_MAX_NR_VIRTQUEUE 8
> > +#define VIRTQUEUE_MAX_SIZE 1024
> 
> I think that the maximum number of VQs should be 1024 to match Qemu's.
> 
> http://git.qemu.org/?p=qemu.git;a=blob;f=include/hw/virtio/virtio.h;h=b913aac45589449bcc5d8161651332f4b0d69c7f;hb=HEAD#l55

That would make the VuDev structure quite big. We may want to set the nr of max queues in vu_init() instead, and allocate it there. I think this is rather a current limitation, but does not prevent iterating from there.

  reply	other threads:[~2016-10-18 15:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-18  9:23 [Qemu-devel] [PATCH v2 0/6] Start a contrib/libvhost-user Marc-André Lureau
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 1/6] tests/vhost-user-bridge: remove false comment Marc-André Lureau
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 2/6] tests/vhost-user-bridge: remove unnecessary dispatcher_remove Marc-André Lureau
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 3/6] tests/vhost-user-bridge: indicate peer disconnected Marc-André Lureau
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 4/6] tests/vhost-user-bridge: do not accept more than one connection Marc-André Lureau
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 5/6] contrib: add libvhost-user Marc-André Lureau
2016-10-18 14:13   ` Felipe Franciosi
2016-10-18 14:43   ` Felipe Franciosi
2016-10-18 15:25     ` Marc-André Lureau [this message]
2016-10-18 16:21       ` Felipe Franciosi
2016-10-27 22:11         ` Michael S. Tsirkin
2016-10-27 22:17           ` Felipe Franciosi
2016-10-18  9:24 ` [Qemu-devel] [PATCH v2 6/6] tests/vhost-user-bridge: use contrib/libvhost-user Marc-André Lureau
2016-10-18 13:29   ` Eric Blake
2016-11-15 19:20 ` [Qemu-devel] [PATCH v2 0/6] Start a contrib/libvhost-user Michael S. Tsirkin

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