From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Hajnoczi Subject: Re: AF_VSOCK status Date: Tue, 12 Apr 2016 15:03:01 +0100 Message-ID: <20160412140301.GC29405@stefanha-x1.localdomain> References: <5703B0F3.7050700@nagafix.co.uk> <20160406092609.GA17538@stefanha-x1.localdomain> <570B9021.5050709@nagafix.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dkEUBIird37B8yKS" Cc: netdev@vger.kernel.org To: Antoine Martin Return-path: Received: from mx1.redhat.com ([209.132.183.28]:34109 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932221AbcDLODE (ORCPT ); Tue, 12 Apr 2016 10:03:04 -0400 Content-Disposition: inline In-Reply-To: <570B9021.5050709@nagafix.co.uk> Sender: netdev-owner@vger.kernel.org List-ID: --dkEUBIird37B8yKS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 11, 2016 at 06:53:05PM +0700, Antoine Martin wrote: > > There are a few existing ways to achieve that without involving=20 > > virtio-vsock: vhost-user or ivshmem. > Yes, I've looked at those and they seem a bit overkill for what we > want to achieve. We don't want sharing with multiple guests, or > interrupts. > All we want is a chunk of host memory to be accessible from the guest.. ivshmem does that. It operates in two modes, it sounds like you want the first and simpler mode ("ivshmem-plain"). Take a look at hw/misc/ivshmem.c in QEMU. Stefan --dkEUBIird37B8yKS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJXDQAVAAoJEJykq7OBq3PIisAIALBSoMmzvpTCTrRtv7iDoPpp /CnFeiQL3NMRVJMnpfDSHGmzPsB8i2UXpcsVKYmknln3lwB1cC6MNhqbyvqVdhaT ICXB+B9Z63bWP5iWWYEATr/oYiEgvFs0toouo3kbDAksUQAc5zB3QAZINdzIkrok fRQR2SBPXaADHq7Z8FkymJFZxQlpb9KvABSTH1BhWpx96/4TFU9SCYqIQdQk2CME GjIvWdK5KPqpd54HrVLfhT6Y37quWRDF0neOa4a26j1UAK3d1DS+xTEYbfzKDDgk tEUKDhc60pM6jDmhslOP98tZpR9QVcUL7WhaDQTNyDT4Y9VAk+uncEjJUYWM2Jg= =SUAt -----END PGP SIGNATURE----- --dkEUBIird37B8yKS--