From patchwork Tue Sep 20 13:04:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 1680061 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4MX1xC0zYlz1yp7 for ; Tue, 20 Sep 2022 23:05:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229617AbiITNFR (ORCPT ); Tue, 20 Sep 2022 09:05:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230237AbiITNFL (ORCPT ); Tue, 20 Sep 2022 09:05:11 -0400 Received: from ozlabs.ru (ozlabs.ru [107.174.27.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 77EF513D78; Tue, 20 Sep 2022 06:05:10 -0700 (PDT) Received: from ole.1.ozlabs.ru (localhost [IPv6:::1]) by ozlabs.ru (Postfix) with ESMTP id 212C282ECC; Tue, 20 Sep 2022 09:05:07 -0400 (EDT) From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Cc: kvm@vger.kernel.org, Nicholas Piggin , Michael Ellerman , Jason Gunthorpe , Frederic Barrat , Alexey Kardashevskiy , Alex Williamson , kvm-ppc@vger.kernel.org Subject: [PATCH kernel v2 0/3] powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains Date: Tue, 20 Sep 2022 23:04:54 +1000 Message-Id: <20220920130457.29742-1-aik@ozlabs.ru> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Here is another take on iommu_ops on POWER to make VFIO work again on POWERPC64. Tested on PPC, kudos to Fred! The tree with all prerequisites is here: https://github.com/aik/linux/tree/kvm-fixes-wip The previous discussion is here: https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20220707135552.3688927-1-aik@ozlabs.ru/ https://patchwork.ozlabs.org/project/kvm-ppc/patch/20220701061751.1955857-1-aik@ozlabs.ru/ https://lore.kernel.org/all/20220714081822.3717693-3-aik@ozlabs.ru/T/ Please comment. Thanks. This is based on sha1 ce888220d5c7 Linus Torvalds "Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi". Please comment. Thanks. Alexey Kardashevskiy (3): powerpc/iommu: Add "borrowing" iommu_table_group_ops powerpc/pci_64: Init pcibios subsys a bit later powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains arch/powerpc/include/asm/iommu.h | 6 +- arch/powerpc/include/asm/pci-bridge.h | 7 + arch/powerpc/platforms/pseries/pseries.h | 4 + arch/powerpc/kernel/iommu.c | 247 +++++++++++++++++++++- arch/powerpc/kernel/pci_64.c | 2 +- arch/powerpc/platforms/powernv/pci-ioda.c | 36 +++- arch/powerpc/platforms/pseries/iommu.c | 27 +++ arch/powerpc/platforms/pseries/setup.c | 3 + drivers/vfio/vfio_iommu_spapr_tce.c | 96 ++------- 9 files changed, 334 insertions(+), 94 deletions(-)