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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 4F367C282CE for ; Tue, 4 Jun 2019 10:01:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31D1A24B3B for ; Tue, 4 Jun 2019 10:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727194AbfFDKBP (ORCPT ); Tue, 4 Jun 2019 06:01:15 -0400 Received: from mga06.intel.com ([134.134.136.31]:46146 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727170AbfFDKBP (ORCPT ); Tue, 4 Jun 2019 06:01:15 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jun 2019 03:01:14 -0700 X-ExtLoop1: 1 Received: from gvt.bj.intel.com ([10.238.158.187]) by orsmga005.jf.intel.com with ESMTP; 04 Jun 2019 03:01:11 -0700 From: Tina Zhang To: intel-gvt-dev@lists.freedesktop.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tina Zhang , kraxel@redhat.com, zhenyuw@linux.intel.com, zhiyuan.lv@intel.com, zhi.a.wang@intel.com, kevin.tian@intel.com, hang.yuan@intel.com, alex.williamson@redhat.com Subject: [RFC PATCH v2 0/3] Deliver vGPU page flip events to userspace Date: Tue, 4 Jun 2019 17:55:31 +0800 Message-Id: <20190604095534.10337-1-tina.zhang@intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series tries to send the vGPU page flip events to userspace, which can be used by QEMU UI for rendering and display with the latest guest framebuffers. v2: Use VFIO irq chain to get eventfds from userspace instead of adding a new ABI. (Alex) v1: https://patchwork.kernel.org/cover/10962341/ Tina Zhang (3): vfio: Use capability chains to handle device specific irq drm/i915/gvt: Leverage irq capability chain to get eventfd drm/i915/gvt: Send plane flip events to user space drivers/gpu/drm/i915/gvt/display.c | 10 +- drivers/gpu/drm/i915/gvt/gvt.h | 4 + drivers/gpu/drm/i915/gvt/handlers.c | 20 ++- drivers/gpu/drm/i915/gvt/hypercall.h | 1 + drivers/gpu/drm/i915/gvt/kvmgt.c | 208 +++++++++++++++++++++++++-- drivers/gpu/drm/i915/gvt/mpt.h | 16 +++ include/uapi/linux/vfio.h | 23 ++- 7 files changed, 268 insertions(+), 14 deletions(-) -- 2.17.1