From patchwork Tue Aug 20 16:06:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1150294 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46CbKV5PnHz9s00 for ; Wed, 21 Aug 2019 02:07:26 +1000 (AEST) Received: from localhost ([::1]:39244 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i06fM-0000vv-3F for incoming@patchwork.ozlabs.org; Tue, 20 Aug 2019 12:07:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42116) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i06eP-0000OP-6y for qemu-devel@nongnu.org; Tue, 20 Aug 2019 12:06:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i06eN-0002Uo-Hx for qemu-devel@nongnu.org; Tue, 20 Aug 2019 12:06:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43850) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i06eN-0002TN-Aq for qemu-devel@nongnu.org; Tue, 20 Aug 2019 12:06:23 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7B58B309B6C4; Tue, 20 Aug 2019 16:06:21 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-117-179.ams2.redhat.com [10.36.117.179]) by smtp.corp.redhat.com (Postfix) with ESMTP id 52678859B7; Tue, 20 Aug 2019 16:06:16 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Tue, 20 Aug 2019 18:06:12 +0200 Message-Id: <20190820160615.14616-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Tue, 20 Aug 2019 16:06:21 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v8 0/3] rng-builtin: add an RNG backend that uses qemu_guest_getrandom() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , =?utf-8?q?Daniel_P_=2E_Berrang?= =?utf-8?b?w6k=?= , Kashyap Chamarthy , Amit Shah , Richard Henderson , "Richard W . M . Jones" , Markus Armbruster , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add a new RNG backend using QEMU builtin getrandom function. v8: rebase on v4.1 v7: rebase on master Make rng-builtin asynchronous with QEMUBH (removed existing R-b) v6: remove "sysemu/rng-random.h" from virtio-rng.c rebase on qemu_getrandom v8 v5: PATCH 1 s/linux/Linux/ remove superfluous includes from rng-builtin.c don't update rng-random documentation add a patch from Markus to keep the default backend out of VirtIORNGConf move TYPE_RNG_BUILTIN to sysemu/rng.h and remove sysemu/rng-builtin.h v4: update PATCH 1 commit message v3: Include Kashyap's patch in the series Add a patch to change virtio-rng default backend to rng-builtin v2: Update qemu-options.hx describe the new backend and specify virtio-rng uses the rng-random by default Laurent Vivier (2): rng-builtin: add an RNG backend that uses qemu_guest_getrandom() virtio-rng: change default backend to rng-builtin Markus Armbruster (1): virtio-rng: Keep the default backend out of VirtIORNGConf backends/Makefile.objs | 2 +- backends/rng-builtin.c | 77 ++++++++++++++++++++++++++++++++++ hw/virtio/virtio-rng.c | 19 ++++----- include/hw/virtio/virtio-rng.h | 2 - include/sysemu/rng.h | 2 + qemu-options.hx | 7 ++++ 6 files changed, 95 insertions(+), 14 deletions(-) create mode 100644 backends/rng-builtin.c