From patchwork Fri Aug 14 02:39:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gurchetan Singh X-Patchwork-Id: 11713359 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 0CF9213B6 for ; Fri, 14 Aug 2020 02:40:48 +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 DF49D22CA1 for ; Fri, 14 Aug 2020 02:40:47 +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="ICG7Cb4M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF49D22CA1 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 A52816EAD1; Fri, 14 Aug 2020 02:40:39 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by gabe.freedesktop.org (Postfix) with ESMTPS id 18B106EAD4 for ; Fri, 14 Aug 2020 02:40:30 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id f5so3515121plr.9 for ; Thu, 13 Aug 2020 19:40:30 -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=LBdL6rsQPmatVbrgIA2MIRVgMnQa+GuMCanRStz/t0A=; b=ICG7Cb4M7/sBKqCrg6GMVfxeLk7AfBMkm65OKfgoshGpcx+s4JqFO+1r1IrAPgDmKh 7z7JnHWXrZMtYzEDAuBqeN8GF49pfCEuYm3rNc7ZenV28HDF4vc5MRvFxkt5+osDOrja WBQOFGVfIG7+9Rp03PvtNvkqqdPfbLIz5WRcg= 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=LBdL6rsQPmatVbrgIA2MIRVgMnQa+GuMCanRStz/t0A=; b=tDw/QB6eYNRJSOZN03iMwghZniIKJsN7HMz/jNZJeB0j5JDj2vP5SneJvnaPsyVCQt /xStK0NaICpxdsPAxILL1J7fMTFJmuG5olRCMolaPWf7NHNiykPiNar4zOxYVI0u/Etq BKi+Qz4ze6EkYATWskc5BgbOt3MUVO7xzYsRrEcbEuBFOcXz9cqJxPAD8X9OZizNIgN0 +foxKMB2evlwE/TD6BUsL9kZXY2QnRnO7JJydlbzHLgTbTNgucWLaIVsT+BtYJQaFKcH 6X/HsyMppKKmnD8iO8viWjHQYfZF1JrNvY69wiFIkKqC2B1+YN3F8apO5vaHRQFsvQ9T wCjw== X-Gm-Message-State: AOAM533c/n9VTuOiKL/rpy7oRXdTqoR8kNwF53rvyXGYft6RtdnrYCev 3HBUk9ReyQ4EJFYfTANhbC9bHIXDvKw= X-Google-Smtp-Source: ABdhPJydXUpdQw3BIg2NCq2y+qBJKySV6ejf76Nd77XsC5yB0PANDrw1SzuSmMPqm+mAZ6o21yiLIQ== X-Received: by 2002:a17:902:aa4c:: with SMTP id c12mr546386plr.237.1597372830278; Thu, 13 Aug 2020 19:40:30 -0700 (PDT) Received: from gurchetansingh0.mtv.corp.google.com ([2620:15c:202:201:5265:f3ff:fe2d:4d58]) by smtp.gmail.com with ESMTPSA id m26sm7103539pfe.184.2020.08.13.19.40.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 13 Aug 2020 19:40:29 -0700 (PDT) From: Gurchetan Singh To: dri-devel@lists.freedesktop.org, virtio-dev@lists.oasis-open.org Subject: [PATCH 22/24] drm/virtio: implement blob resources: report blob mem to userspace Date: Thu, 13 Aug 2020 19:39:58 -0700 Message-Id: <20200814024000.2485-23-gurchetansingh@chromium.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200814024000.2485-1-gurchetansingh@chromium.org> References: <20200814024000.2485-1-gurchetansingh@chromium.org> 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: sebastien.boeuf@intel.com, kraxel@redhat.com, vgoyal@redhat.com, mst@redhat.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The stride field has never been used, so repurpose it to be "blob_mem". This way, userspace can know the memory properties of the blob if it's passed between userspace processes and no suitable userspace API exists to transmit that knowledge. Signed-off-by: Gurchetan Singh Acked-by: Tomeu Vizoso --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 0075995a9f5b..7dbe24248a20 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -300,6 +300,9 @@ static int virtio_gpu_resource_info_ioctl(struct drm_device *dev, void *data, ri->size = qobj->base.base.size; ri->res_handle = qobj->hw_res_handle; + if (qobj->host3d_blob || qobj->guest_blob) + ri->blob_mem = qobj->blob_mem; + drm_gem_object_put(gobj); return 0; }