From patchwork Fri May 10 13:42:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 10938849 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 730D3933 for ; Fri, 10 May 2019 13:43:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6291428813 for ; Fri, 10 May 2019 13:43:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5671528B8C; Fri, 10 May 2019 13:43:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E9CDF28813 for ; Fri, 10 May 2019 13:43:06 +0000 (UTC) Received: from localhost ([127.0.0.1]:43568 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP5nm-00035S-05 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 10 May 2019 09:43:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:35271) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP5mw-0002TP-9e for qemu-devel@nongnu.org; Fri, 10 May 2019 09:42:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hP5mv-0007TM-BZ for qemu-devel@nongnu.org; Fri, 10 May 2019 09:42:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57656) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hP5mv-0007T1-6r for qemu-devel@nongnu.org; Fri, 10 May 2019 09:42:13 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D2A503D37; Fri, 10 May 2019 13:42:10 +0000 (UTC) Received: from thinkpad.redhat.com (unknown [10.40.205.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id 083B61001E65; Fri, 10 May 2019 13:42:04 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Fri, 10 May 2019 15:42:00 +0200 Message-Id: <20190510134203.24012-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 10 May 2019 13:42:10 +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 v3 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?q?=C3=A9?= , Kashyap Chamarthy , "Michael S. Tsirkin" , Richard Henderson , Markus Armbruster , Amit Shah , "Richard W . M . Jones" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add a new RNG backend using QEMU builtin getrandom function. This patch applies on top of "[PATCH v5 00/24] Add qemu_getrandom and ARMv8.5-RNG etc" Based-on: 20190510012458.22706-1-richard.henderson@linaro.org 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