From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B23AC433FF for ; Thu, 1 Aug 2019 20:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A26F0206B8 for ; Thu, 1 Aug 2019 20:00:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SaIIckh5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388600AbfHAUA2 (ORCPT ); Thu, 1 Aug 2019 16:00:28 -0400 Received: from mail-io1-f67.google.com ([209.85.166.67]:38959 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388766AbfHAUA2 (ORCPT ); Thu, 1 Aug 2019 16:00:28 -0400 Received: by mail-io1-f67.google.com with SMTP id f4so147142083ioh.6; Thu, 01 Aug 2019 13:00:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=gJSK6POj+SaTsEhP6mZuOKfNhfXYob24U3YC9u2cnhE=; b=SaIIckh5W1GYRsKrWdLmpj/9wvjxGa2xVLUEA5UdHxlCQ5J7SwZFF7MHwdfMF1UfLX SKyMHr+l52jdQ321LVBLApxCNfUmOhW3hDWnOkH9dzYe9UQQhuis4KqXfYsoLEuBw8G5 jRTtLq6MTP/tWTPSAVKV3aqnl2K0b50XAhTmLdwFzofdooRVsjrT8JkZ5XQ8bZ85Ib+Z T4QK1KtDi0lrB0nEz0Ck8M34LtPfR1hIly+E5ke4vCOaD2OksuqFkGCzv0/N220vi/Fu Aq/6ZlhF0wGspt9lNdRs2yjMjglzmpJ9cdOM90HBcLja9iOizSIXJifZxFj+ylxVk+Ta j0yA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=gJSK6POj+SaTsEhP6mZuOKfNhfXYob24U3YC9u2cnhE=; b=WbcIDvt0NqsmQ7W5LmGz5eXSkQraibwu8UksV6OlYyA+OD2LMnkJKl+0647Vt9UugN DZqhL1H/LiazYk3hJYd21WB+94452gIRysU98v8bxOotYiXOGj3RXIkNulK8yLAq4noR SdMGPhRZdkuR2qnDs3HE85CZKqQgh+9nzOq/zGa/IDqmbXEZor7GOJIVwamJf2r7KGk5 leeGEAyE1uC6EebLgcd6wi1ktNo1dsLA44qW1M+a0N8JmjgwrM68fwx12GmI5vHaWIHP opdjmfGRmKKLAXxyJN1t9TeuVTVoUKwit4EUXtNgp9L95HGlw8flbYZQn8i+ujvfV+7j vsXg== X-Gm-Message-State: APjAAAXlna68Q9j3TTgeaeN2evgL1k3IzxcAqiG6pyvBxutaOpgKnGlz IzivvfMA96kmr7crtB5u3g== X-Google-Smtp-Source: APXvYqy/jlf8jCGaEdmuO8gxRpfCVtG12T1tBiYavXuDp4k6Q55JztG8Y0YG90d0VFvhxNZCbq2yrA== X-Received: by 2002:a5e:c70c:: with SMTP id f12mr7071475iop.293.1564689627170; Thu, 01 Aug 2019 13:00:27 -0700 (PDT) Received: from Test-Virtual-Machine (d24-141-106-246.home.cgocable.net. [24.141.106.246]) by smtp.gmail.com with ESMTPSA id m10sm128925853ioj.75.2019.08.01.13.00.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 01 Aug 2019 13:00:26 -0700 (PDT) Date: Thu, 1 Aug 2019 16:00:24 -0400 From: Branden Bonaby To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org Cc: Branden Bonaby , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] hv: vmbus: add fuzz testing to hv devices Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org This patchset introduces a testing framework for Hyper-V drivers. This framework allows us to introduce delays in the packet receive path on a per-device basis. While the current code only supports introducing arbitrary delays in the host/guest communication path, we intend to expand this to support error injection in the future. Branden Bonaby (3): drivers: hv: vmbus: Introduce latency testing drivers: hv: vmbus: add fuzz test attributes to sysfs tools: hv: add vmbus testing tool Documentation/ABI/stable/sysfs-bus-vmbus | 22 ++ drivers/hv/connection.c | 5 + drivers/hv/ring_buffer.c | 10 + drivers/hv/vmbus_drv.c | 97 ++++++- include/linux/hyperv.h | 14 + tools/hv/vmbus_testing | 326 +++++++++++++++++++++++ 6 files changed, 473 insertions(+), 1 deletion(-) create mode 100644 tools/hv/vmbus_testing -- 2.17.1