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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6B37C433EF for ; Tue, 14 Jun 2022 04:54:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237447AbiFNEyq (ORCPT ); Tue, 14 Jun 2022 00:54:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229611AbiFNEyp (ORCPT ); Tue, 14 Jun 2022 00:54:45 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA15B37BD6; Mon, 13 Jun 2022 21:54:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=CPcuQGJ8u4Jy0B6sriKitXk9Z5PFXAtCX9f68K5wl1A=; b=mUfbeiR89N4DsxNp6xXOH41i6Y JmtqblFYQ4hQGF0fmFwHUye5cQJeGWzSt6b16HZEhcjTN4z901V6X4j0zUdTyxqe4fHe1Z3+Zk/tl E54UlgsHkEsAnlXtiHdxA8PfqYDM352o5h239lCiulcNUHeh8taU4z+nhIqROXdaXMxbJN5Xhysvp JylXTOMt78ZlKNirLVWZLj10TSzdPgbe7rBrhEpCGYbyjOj5fa2DJn9FEr0bu+MPUZerflgvD1FYM yfN1Ul2LmLSK7zpPfpyCLr9H4JFJqAN/TxrPiWcA4URVnHMkhckT9gwPe7BlphpA8BfL3nqfKjmyJ Wtkrw3Sw==; Received: from [2001:4bb8:180:36f6:1fed:6d48:cf16:d13c] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0yZS-0072dn-Ep; Tue, 14 Jun 2022 04:54:30 +0000 From: Christoph Hellwig To: Kirti Wankhede , Tony Krowiak , Halil Pasic , Jason Herne , Eric Farman , Matthew Rosato , Zhenyu Wang , Zhi Wang , Alex Williamson Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, intel-gvt-dev@lists.freedesktop.org Subject: simplify the mdev interface v2 Date: Tue, 14 Jun 2022 06:54:15 +0200 Message-Id: <20220614045428.278494-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Hi all, this series signigicantly simplies the mdev driver interface by following the patterns for device model interaction used elsewhere in the kernel. Changes since v1: - embedd the mdev_parent into a different sub-structure in i916 - remove headers now inclued by mdev.h from individual source files - pass an array of mdev_types to mdev_register_parent - add additional patches to implement all attributes on the mdev_type in the core code Diffstat: Documentation/driver-api/vfio-mediated-device.rst | 26 +- Documentation/s390/vfio-ap.rst | 2 Documentation/s390/vfio-ccw.rst | 2 drivers/gpu/drm/i915/gvt/gvt.h | 6 drivers/gpu/drm/i915/gvt/kvmgt.c | 158 +++------------ drivers/gpu/drm/i915/gvt/vgpu.c | 60 +---- drivers/s390/cio/cio.h | 4 drivers/s390/cio/vfio_ccw_drv.c | 3 drivers/s390/cio/vfio_ccw_ops.c | 60 ----- drivers/s390/cio/vfio_ccw_private.h | 2 drivers/s390/crypto/vfio_ap_ops.c | 68 ------ drivers/s390/crypto/vfio_ap_private.h | 6 drivers/vfio/mdev/mdev_core.c | 214 ++++++-------------- drivers/vfio/mdev/mdev_driver.c | 7 drivers/vfio/mdev/mdev_private.h | 39 --- drivers/vfio/mdev/mdev_sysfs.c | 230 ++++++++-------------- include/linux/mdev.h | 77 +++---- samples/vfio-mdev/mbochs.c | 103 ++------- samples/vfio-mdev/mdpy.c | 115 ++--------- samples/vfio-mdev/mtty.c | 94 +++----- 20 files changed, 389 insertions(+), 887 deletions(-)