Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp5203242ybi; Tue, 4 Jun 2019 03:02:57 -0700 (PDT) X-Google-Smtp-Source: APXvYqwqudSHZIhQJZJnWNTmiL2NXe6bwWBkO1qeJspzqBT4UFlq9/oP36fNe4pdE3JyrC5JXdTw X-Received: by 2002:a17:90a:192:: with SMTP id 18mr36088403pjc.107.1559642577867; Tue, 04 Jun 2019 03:02:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559642577; cv=none; d=google.com; s=arc-20160816; b=u03ehWapP8oJo31v46aGfK6f4qcXC8KxihmUomyhsyfrXFIksFdgwQz3kR5wqzfI46 Eyj3sB6IIGI5oQWDYHw/oLCt5ikv9p6KAB6xLRrunIb2fcbGutGZm7nljvZ5Ny8G850Q WZ1RCOapwNz083Uv4WoCmZ3cZ+GnFcGrthgg6JrrzTtsoCxBU4ks4w3kouaUz35Hv9p3 sogTPzhEq/hhLjG0E9MqXE8CaAs2HrBZw8WbFtNfeFQszE3jP8tgo9VcdIOrAla7tq4y NTqGsnXA3Z5slRusrzaPuQyHPmb34PnrlSur8IQ3Pab8N5yCfC5hsamEt/MmvoQRgxrV RRDQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=eQIE4sLD3hqD0vFbvfXau8PlMvTQPuocXBodDs8O94c=; b=xJLQ2/qUcTr+tGcQvBhuXS7P/8vFoCFHtaNLnjhOvNf8gVbx6UtL/f3mfQ0LJ25GFl xPkDTReyX9/eniZb8XMvUCsODS2/YUwYp0C/O9tNCrrO0sxnxyLe1io+A+2VARzn/UqW G1NlRNE4+nuiIxditTVVmfasjW4I3KCvNMr3sh9KCtXgyXj+T30eqtSNLutQE+WF1zfJ 38WZWQ+mXzvmjRRhsDJ2O43vahNATSq3kqlYiBEXAB40zGW1959dcUcwXzD+LaA1obcU ExDr4G+qAbAayZacRqVQ/oGp6pBGNBVhFH1qmk0+l8ziNXGk6V4/QF4LkCS+j5BwH7Gp 513g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e10si9532447pfi.187.2019.06.04.03.02.34; Tue, 04 Jun 2019 03:02:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727218AbfFDKBP (ORCPT + 99 others); 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