From patchwork Tue Sep 12 10:46:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1832921 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Tf8QZNf8; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RlL0T3PKzz1ygM for ; Tue, 12 Sep 2023 20:48:25 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qg0vC-0002qU-4Z; Tue, 12 Sep 2023 06:47:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qg0vA-0002pj-Po for qemu-devel@nongnu.org; Tue, 12 Sep 2023 06:47:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qg0v7-0003DW-4d for qemu-devel@nongnu.org; Tue, 12 Sep 2023 06:47:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1694515620; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YBjKviHSEEDUVkGToh+5MHl5RaBzVuGNPEEBbtTtyb8=; b=Tf8QZNf8zhy/TA5QYvWtwDoaiA2TWqDCAdWA83yP8obVFv1a690G3BjsM1D2XkE0BjDcrp xI6NbWPsYo9o/S1d/wbQ2W6Cr9Egk09E13tMC0FkdawtOeCBuTju1NvuCIg8SfjOTfM+fS /zKjrugpZr35tzXxH7a1rMZf4V+8YsE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-434-l2YvkKMePRidhqb4IONc8g-1; Tue, 12 Sep 2023 06:46:58 -0400 X-MC-Unique: l2YvkKMePRidhqb4IONc8g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5D7DE8A0737 for ; Tue, 12 Sep 2023 10:46:56 +0000 (UTC) Received: from localhost (unknown [10.39.208.8]) by smtp.corp.redhat.com (Postfix) with ESMTP id 74B9B2026D68; Tue, 12 Sep 2023 10:46:55 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, Erico Nunes , =?utf-8?q?Marc-An?= =?utf-8?q?dr=C3=A9_Lureau?= , Gerd Hoffmann Subject: [PULL 01/14] docs: vhost-user-gpu: add protocol changes for dmabuf modifiers Date: Tue, 12 Sep 2023 14:46:35 +0400 Message-ID: <20230912104649.1638640-2-marcandre.lureau@redhat.com> In-Reply-To: <20230912104649.1638640-1-marcandre.lureau@redhat.com> References: <20230912104649.1638640-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Erico Nunes VHOST_USER_GPU_DMABUF_SCANOUT2 is defined as a message with all the contents of VHOST_USER_GPU_DMABUF_SCANOUT plus the dmabuf modifiers which were ommitted. The VHOST_USER_GPU_PROTOCOL_F_DMABUF2 protocol feature is defined as a way to check whether this new message is supported or not. Signed-off-by: Erico Nunes Reviewed-by: Marc-André Lureau Reviewed-by: Sergio Lopez Message-Id: <20230714153900.475857-2-ernunes@redhat.com> --- docs/interop/vhost-user-gpu.rst | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/docs/interop/vhost-user-gpu.rst b/docs/interop/vhost-user-gpu.rst index b78806892d..3035822d05 100644 --- a/docs/interop/vhost-user-gpu.rst +++ b/docs/interop/vhost-user-gpu.rst @@ -134,6 +134,19 @@ VhostUserGpuEdidRequest :scanout-id: ``u32``, the scanout to get edid from +VhostUserGpuDMABUFScanout2 +^^^^^^^^^^^^^^^^^^^^^^^^^^ + ++----------------+----------+ +| dmabuf_scanout | modifier | ++----------------+----------+ + +:dmabuf_scanout: ``VhostUserGpuDMABUFScanout``, filled as described in the + VhostUserGpuDMABUFScanout structure. + +:modifier: ``u64``, the DMABUF modifiers + + C structure ----------- @@ -163,7 +176,8 @@ Protocol features .. code:: c - #define VHOST_USER_GPU_PROTOCOL_F_EDID 0 + #define VHOST_USER_GPU_PROTOCOL_F_EDID 0 + #define VHOST_USER_GPU_PROTOCOL_F_DMABUF2 1 New messages and communication changes are negotiated thanks to the ``VHOST_USER_GPU_GET_PROTOCOL_FEATURES`` and @@ -263,3 +277,13 @@ Message types Retrieve the EDID data for a given scanout. This message requires the ``VHOST_USER_GPU_PROTOCOL_F_EDID`` protocol feature to be supported. + +``VHOST_USER_GPU_DMABUF_SCANOUT2`` + :id: 12 + :request payload: ``VhostUserGpuDMABUFScanout2`` + :reply payload: N/A + + Same as VHOST_USER_GPU_DMABUF_SCANOUT, but also sends the dmabuf modifiers + appended to the message, which were not provided in the other message. + This message requires the ``VHOST_USER_GPU_PROTOCOL_F_DMABUF2`` protocol + feature to be supported.