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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 C5F62C2BA17 for ; Fri, 3 Apr 2020 09:20:37 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 54830206B8 for ; Fri, 3 Apr 2020 09:20:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="iNoMwgjP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 54830206B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BB2B616A3; Fri, 3 Apr 2020 11:19:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BB2B616A3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1585905635; bh=CzDuwL0kjtKcimHd1XbGl/22092bJljLNeREghNsiYI=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=iNoMwgjPDKxa8f2rzVoQRKkXDbNbwkuXoYU7fdBBbfNrNJv1SZU+RNZAS1YWVxn/b 6qIK1bCetlw5/eNnzV5QEOYDd/rxkZE1pALgu38HrQKjef3yf2KQF9F5l1o7h0HiYl ZjT1JLAVuX5GRKlMVwVbGYcmN+ii+bsEnC72X1Kg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 028B5F8033F; Fri, 3 Apr 2020 11:15:02 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 43CE3F802A7; Fri, 3 Apr 2020 11:14:42 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2B796F801A3; Fri, 3 Apr 2020 11:14:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2B796F801A3 IronPort-SDR: bj8Asu47c3GV/g9aLhVVuwWmk4ZrqNe3evVqvAIytzCOnLuVRhOrCSiG40arhF+SPNd1Y6yUcR //+I4JWVy3IA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2020 02:14:16 -0700 IronPort-SDR: Q5Cf3lZ7vgC+WNvukTdV+zEAvfTz+S5lJs3UqA73F7SLgMLho5O7+IxNl6BrfXsU65erSstBtF RuN/hnfOd2qA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,339,1580803200"; d="scan'208";a="451234944" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO ubuntu.ger.corp.intel.com) ([10.249.36.113]) by fmsmga006.fm.intel.com with ESMTP; 03 Apr 2020 02:14:14 -0700 From: Guennadi Liakhovetski To: alsa-devel@alsa-project.org Subject: [PATCH v2 04/12] [RESEND] vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl Date: Fri, 3 Apr 2020 11:13:58 +0200 Message-Id: <20200403091406.22381-5-guennadi.liakhovetski@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200403091406.22381-1-guennadi.liakhovetski@linux.intel.com> References: <20200403091406.22381-1-guennadi.liakhovetski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Liam Girdwood , Takashi Iwai , Mark Brown , Pierre-Louis Bossart , sound-open-firmware@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" VHOST_VSOCK_SET_RUNNING is used by the vhost vsock driver to perform crucial VirtQueue initialisation, like assigning .private fields and calling vhost_vq_init_access(), and clean up. However, this ioctl is actually extremely useful for any vhost driver, that doesn't have a side channel to inform it of a status change, e.g. upon a guest reboot. This patch makes that ioctl generic, while preserving its numeric value and also keeping the original alias. Signed-off-by: Guennadi Liakhovetski --- include/uapi/linux/vhost.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h index 40d028ee..c628103 100644 --- a/include/uapi/linux/vhost.h +++ b/include/uapi/linux/vhost.h @@ -93,6 +93,8 @@ #define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64) #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64) +#define VHOST_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) + /* VHOST_NET specific defines */ /* Attach virtio net ring to a raw socket, or tap device. @@ -114,6 +116,6 @@ /* VHOST_VSOCK specific defines */ #define VHOST_VSOCK_SET_GUEST_CID _IOW(VHOST_VIRTIO, 0x60, __u64) -#define VHOST_VSOCK_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) +#define VHOST_VSOCK_SET_RUNNING VHOST_SET_RUNNING #endif -- 1.9.3