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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 4222BC10DCE for ; Thu, 12 Mar 2020 08:09:27 +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 1F3F720650 for ; Thu, 12 Mar 2020 08:09:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="jLb9PaCc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F3F720650 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org 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 877BB6EA78; Thu, 12 Mar 2020 08:08:20 +0000 (UTC) Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by gabe.freedesktop.org (Postfix) with ESMTPS id CC8616E57E for ; Wed, 11 Mar 2020 11:20:33 +0000 (UTC) Received: by mail-pj1-x1044.google.com with SMTP id m15so174813pje.3 for ; Wed, 11 Mar 2020 04:20:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cT15TBA5LKwky6I17XpqvlB2rM0RmRf5dwoE+N9j/F0=; b=jLb9PaCcu1Yxgxj9XSJmbg2aw64Qc918LMv7DvaqgljRMLMgaFOZnRXCycakjzpX+7 2ZrtfD25aaonB0z+oS3FYYCNc9tAbjA2vCjk+aqaK60tN2/nPrwXvhMZ3Q8XD4DL+ztA B+JzSmThANUXzWtraBvKk2c/KmSGv9SHjwBKY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cT15TBA5LKwky6I17XpqvlB2rM0RmRf5dwoE+N9j/F0=; b=lYrUnqiFh/FbWoxIn3QxjunVaKX1EN8Td8Yx9K2LtdQ7F9BQxdVjhwwUhCYbdFDH4Q zT55XYtR3yq3cSlsNRB+T6CH7b9lJkyOBNxjRXfAglgD84TefvyG2m5MLsjogUC3GUIx pA2mFo/hHEAeRcKpbxkJzEYp4GApgkmV3zi6j2GmkKmmRynupk7V/NJwLfk8Uz5Or9TO 0lqE427ozZD5woRzn98zNiM7txxEsGqXd5bGC+CLLMemSuC46YV0hL+nLZeHTdUwhs8i /65XgVZAXZ/j3Tn1zPmdKWFJvCojwXdMP8EocJGZZbXLm31BFPD+SWEdktYJfM97UZ27 kOxw== X-Gm-Message-State: ANhLgQ0NiDlmlPZVp/mz4NTKY7flG3QAj9d12zichx5TOJ488iFTMeZn yJ/+ezwt3G0gusVgYDqWGw6EWw== X-Google-Smtp-Source: ADFU+vv5rHVCdF8ZEfvsDVzm/g+tdVwxntbYgjn30SLora9HrrMJHajMyu3Aca+6pJvl+7ijrruF7w== X-Received: by 2002:a17:902:8682:: with SMTP id g2mr2578390plo.336.1583925633439; Wed, 11 Mar 2020 04:20:33 -0700 (PDT) Received: from localhost ([2401:fa00:8f:203:30f2:7a9c:387e:6c7]) by smtp.gmail.com with ESMTPSA id s18sm5235891pjp.24.2020.03.11.04.20.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Mar 2020 04:20:32 -0700 (PDT) From: David Stevens To: Gerd Hoffmann , David Airlie Subject: [PATCH v3 3/4] virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature Date: Wed, 11 Mar 2020 20:20:03 +0900 Message-Id: <20200311112004.47138-4-stevensd@chromium.org> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog In-Reply-To: <20200311112004.47138-1-stevensd@chromium.org> References: <20200311112004.47138-1-stevensd@chromium.org> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 12 Mar 2020 08:08:13 +0000 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: dri-devel@lists.freedesktop.org, virtio-dev@lists.oasis-open.org, Thomas Zimmermann , "Michael S . Tsirkin" , Jason Wang , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, David Stevens , linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This feature allows the guest to request a UUID from the host for a particular virtio_gpu resource. The UUID can then be shared with other virtio devices, to allow the other host devices to access the virtio_gpu's corresponding host resource. Signed-off-by: David Stevens --- include/uapi/linux/virtio_gpu.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index 0c85914d9369..9721d58b4d58 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -50,6 +50,10 @@ * VIRTIO_GPU_CMD_GET_EDID */ #define VIRTIO_GPU_F_EDID 1 +/* + * VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID + */ +#define VIRTIO_GPU_F_RESOURCE_UUID 2 enum virtio_gpu_ctrl_type { VIRTIO_GPU_UNDEFINED = 0, @@ -66,6 +70,7 @@ enum virtio_gpu_ctrl_type { VIRTIO_GPU_CMD_GET_CAPSET_INFO, VIRTIO_GPU_CMD_GET_CAPSET, VIRTIO_GPU_CMD_GET_EDID, + VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID, /* 3d commands */ VIRTIO_GPU_CMD_CTX_CREATE = 0x0200, @@ -87,6 +92,7 @@ enum virtio_gpu_ctrl_type { VIRTIO_GPU_RESP_OK_CAPSET_INFO, VIRTIO_GPU_RESP_OK_CAPSET, VIRTIO_GPU_RESP_OK_EDID, + VIRTIO_GPU_RESP_OK_RESOURCE_UUID, /* error responses */ VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200, @@ -340,4 +346,17 @@ enum virtio_gpu_formats { VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134, }; +/* VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID */ +struct virtio_gpu_resource_assign_uuid { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 padding; +}; + +/* VIRTIO_GPU_RESP_OK_RESOURCE_UUID */ +struct virtio_gpu_resp_resource_uuid { + struct virtio_gpu_ctrl_hdr hdr; + __u8 uuid[16]; +}; + #endif -- 2.25.1.481.gfbce0eb801-goog _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel