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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 84B22C433DF for ; Wed, 27 May 2020 18:05:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 685FD2075A for ; Wed, 27 May 2020 18:05:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389027AbgE0SFs (ORCPT ); Wed, 27 May 2020 14:05:48 -0400 Received: from mga09.intel.com ([134.134.136.24]:57368 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387706AbgE0SFs (ORCPT ); Wed, 27 May 2020 14:05:48 -0400 IronPort-SDR: 6JdRG1+QdRjfK24fQqZobAFbuZG3u0DrsctchT0/+ZaNPFzV3kNbSrdz/YV4WnGPh/5raKUq1P LmuJO9iVAXLg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2020 11:05:48 -0700 IronPort-SDR: 4UsyZtFFCxi4B9q9Mkk3x08+aT/JYRBr7ju1ejj11/RmcPfyoVUItqp2IjQ2aW/2E4hOlqG/Ni z67gX2OVkpXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,442,1583222400"; d="scan'208";a="270553297" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO ubuntu.ger.corp.intel.com) ([10.252.42.249]) by orsmga006.jf.intel.com with ESMTP; 27 May 2020 11:05:45 -0700 From: Guennadi Liakhovetski To: kvm@vger.kernel.org Cc: linux-remoteproc@vger.kernel.org, virtualization@lists.linux-foundation.org, sound-open-firmware@alsa-project.org, Pierre-Louis Bossart , Liam Girdwood , "Michael S. Tsirkin" , Jason Wang , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier Subject: [PATCH v3 1/5] vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl Date: Wed, 27 May 2020 20:05:37 +0200 Message-Id: <20200527180541.5570-2-guennadi.liakhovetski@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200527180541.5570-1-guennadi.liakhovetski@linux.intel.com> References: <20200527180541.5570-1-guennadi.liakhovetski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 9fe72e4..b54af9d 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. @@ -114,7 +116,7 @@ /* 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 /* VHOST_VDPA specific defines */ -- 1.9.3