From patchwork Fri Mar 20 15:40:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 11449681 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5B2F13B1 for ; Fri, 20 Mar 2020 15:46:18 +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 331512072C for ; Fri, 20 Mar 2020 15:46:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="MVhHx0Pv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 331512072C 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 683E7829; Fri, 20 Mar 2020 16:45:32 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 683E7829 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1584719176; 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=MVhHx0PvS9q4yN1njYaOE6XZoNg0Vc4quBDghnpEbmDIUp0MqEAV1GMaM0LHceIcg UtZvZOqnfvBZcxcNpqcMqdT6ycG2JL1FrB+zxwoP1nfMsUbnaws0P/ccHYbLHtO9+g 3YpncBdksKh2RGGL2Gt1plkOrsV6abDMVNjFoimY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CF15FF80321; Fri, 20 Mar 2020 16:41:11 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4CB98F802A7; Fri, 20 Mar 2020 16:40:45 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE, SURBL_BLOCKED,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) (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 E7F7EF80162; Fri, 20 Mar 2020 16:40:32 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E7F7EF80162 IronPort-SDR: yGvEo8tMRsHcdshW+66R7twUcgf742gzv4hI8oZxwUi6NfyOgJy2PvJ1gM/VNFHq11X1bATjhl q7Xl5a0SmXIg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2020 08:40:28 -0700 IronPort-SDR: p8F0MvKARWqqYO01osbo5cJFBOSxR3FXo0RnszBfJlwvNvxCBMmLe2nYyYvsre3pU9Q6HBUPS1 Da218k9qi4LA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,285,1580803200"; d="scan'208";a="237257388" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO ubuntu.ger.corp.intel.com) ([10.252.57.199]) by fmsmga007.fm.intel.com with ESMTP; 20 Mar 2020 08:40:27 -0700 From: Guennadi Liakhovetski To: alsa-devel@alsa-project.org Subject: [PATCH 04/12] vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl Date: Fri, 20 Mar 2020 16:40:13 +0100 Message-Id: <20200320154021.5964-5-guennadi.liakhovetski@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200320154021.5964-1-guennadi.liakhovetski@linux.intel.com> References: <20200320154021.5964-1-guennadi.liakhovetski@linux.intel.com> MIME-Version: 1.0 Cc: 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