From patchwork Tue May 14 07:55:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 1099309 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 45394g2YKtz9sMr for ; Tue, 14 May 2019 17:56:51 +1000 (AEST) Received: from localhost ([127.0.0.1]:41414 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQSIr-0001EC-0w for incoming@patchwork.ozlabs.org; Tue, 14 May 2019 03:56:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:50186) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQSIF-0001E2-Ay for qemu-devel@nongnu.org; Tue, 14 May 2019 03:56:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hQSIE-00043u-CV for qemu-devel@nongnu.org; Tue, 14 May 2019 03:56:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34094) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hQSIE-00041U-7L for qemu-devel@nongnu.org; Tue, 14 May 2019 03:56:10 -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 4E5F3C024920; Tue, 14 May 2019 07:56:08 +0000 (UTC) Received: from thinkpad.redhat.com (unknown [10.40.205.6]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7DD9263F65; Tue, 14 May 2019 07:56:03 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Tue, 14 May 2019 09:55:59 +0200 Message-Id: <20190514075602.7674-1-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 [10.5.110.32]); Tue, 14 May 2019 07:56:08 +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 v4 0/3] 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 , "Michael S. Tsirkin" , Richard Henderson , Markus Armbruster , Amit Shah , "Richard W . M . Jones" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add a new RNG backend using QEMU builtin getrandom function. This patch applies on top of "[PATCH v6 00/24] Add qemu_getrandom and ARMv8.5-RNG etc" Based-on: 20190510173049.28171-1-richard.henderson@linaro.org 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 backends/Makefile.objs | 2 +- backends/rng-builtin.c | 54 ++++++++++++++++++++++++++++++++++ backends/rng-random.c | 2 +- hw/virtio/virtio-rng.c | 2 +- include/hw/virtio/virtio-rng.h | 4 +-- include/sysemu/rng-builtin.h | 17 +++++++++++ qemu-options.hx | 9 +++++- 7 files changed, 84 insertions(+), 6 deletions(-) create mode 100644 backends/rng-builtin.c create mode 100644 include/sysemu/rng-builtin.h