From patchwork Wed May 29 14:31:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1107177 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 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45DY8K5pm0z9s3l for ; Thu, 30 May 2019 00:32:33 +1000 (AEST) Received: from localhost ([127.0.0.1]:55446 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVzd1-0002im-Qd for incoming@patchwork.ozlabs.org; Wed, 29 May 2019 10:32:31 -0400 Received: from eggs.gnu.org ([209.51.188.92]:32831) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVzcK-0002dz-9O for qemu-devel@nongnu.org; Wed, 29 May 2019 10:31:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVzcJ-0004eQ-Aj for qemu-devel@nongnu.org; Wed, 29 May 2019 10:31:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49592) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hVzcI-0004BA-Uv for qemu-devel@nongnu.org; Wed, 29 May 2019 10:31:47 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9A2FAA3B48; Wed, 29 May 2019 14:31:15 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-204-181.brq.redhat.com [10.40.204.181]) by smtp.corp.redhat.com (Postfix) with ESMTP id C6DBE611AD; Wed, 29 May 2019 14:31:07 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 29 May 2019 16:31:02 +0200 Message-Id: <20190529143106.11789-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 29 May 2019 14:31:17 +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 v7 0/4] rng-builtin: add an RNG backend that uses qemu_guest_getrandom() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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. 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 Kashyap Chamarthy (1): VirtIO-RNG: Update default entropy source to `/dev/urandom` 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 ++++++++++++++++++++++++++++++++++ backends/rng-random.c | 2 +- hw/virtio/virtio-rng.c | 19 ++++----- include/hw/virtio/virtio-rng.h | 2 - include/sysemu/rng.h | 2 + qemu-options.hx | 9 +++- 7 files changed, 97 insertions(+), 16 deletions(-) create mode 100644 backends/rng-builtin.c Reviewed-by: Michael S. Tsirkin