From patchwork Tue May 11 08:36:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Kasireddy X-Patchwork-Id: 12250219 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 9B4FFC433ED for ; Tue, 11 May 2021 08:48:25 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 368056128E for ; Tue, 11 May 2021 08:48:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 368056128E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6326A6E9FB; Tue, 11 May 2021 08:48:24 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9F3376E9FB for ; Tue, 11 May 2021 08:48:22 +0000 (UTC) IronPort-SDR: o8Bs2i3m9CUYr76Ovyy7i5e7rILjmik1/mTN7E/Zz/i55k7GbHaaO+VHIG0kwrj/RLk2qd6a7O 77N61Ft1V9ow== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="199458707" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="199458707" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 01:48:21 -0700 IronPort-SDR: /fCGEUGQGybL5JQuZ5U7ll7ird3t7q/slhAp7gwJI0pGyFJ7VfFEdNiHbRD+NdQamduWokPogJ Vd9U49gKiGpA== X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="541571687" Received: from vkasired-desk2.fm.intel.com ([10.105.128.127]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 01:48:21 -0700 From: Vivek Kasireddy To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/3] virtio-gpu uapi: Add VIRTIO_GPU_F_EXPLICIT_FLUSH feature Date: Tue, 11 May 2021 01:36:08 -0700 Message-Id: <20210511083610.367541-1-vivek.kasireddy@intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vivek Kasireddy , Gerd Hoffmann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This feature enables the Guest to wait until a flush has been performed on a buffer it has submitted to the Host. Cc: Gerd Hoffmann Signed-off-by: Vivek Kasireddy --- include/uapi/linux/virtio_gpu.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index 97523a95781d..8fe58657a473 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -60,6 +60,11 @@ */ #define VIRTIO_GPU_F_RESOURCE_BLOB 3 +/* + * VIRTIO_GPU_CMD_WAIT_FLUSH + */ +#define VIRTIO_GPU_F_EXPLICIT_FLUSH 4 + enum virtio_gpu_ctrl_type { VIRTIO_GPU_UNDEFINED = 0, @@ -78,6 +83,7 @@ enum virtio_gpu_ctrl_type { VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID, VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB, VIRTIO_GPU_CMD_SET_SCANOUT_BLOB, + VIRTIO_GPU_CMD_WAIT_FLUSH, /* 3d commands */ VIRTIO_GPU_CMD_CTX_CREATE = 0x0200, @@ -441,4 +447,10 @@ struct virtio_gpu_resource_unmap_blob { __le32 padding; }; +/* VIRTIO_GPU_CMD_WAIT_FLUSH */ +struct virtio_gpu_wait_flush { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; +}; + #endif