From patchwork Mon Dec 16 04:19:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 1210075 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47bp6H6lXRz9sPK for ; Mon, 16 Dec 2019 15:23:03 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ozlabs.ru Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47bp6H3v1BzDqSf for ; Mon, 16 Dec 2019 15:23:03 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.ru (client-ip=107.174.27.60; helo=ozlabs.ru; envelope-from=aik@ozlabs.ru; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ozlabs.ru Received: from ozlabs.ru (unknown [107.174.27.60]) by lists.ozlabs.org (Postfix) with ESMTP id 47bp2F57TLzDqQJ for ; Mon, 16 Dec 2019 15:19:31 +1100 (AEDT) Received: from fstn1-p1.ozlabs.ibm.com (localhost [IPv6:::1]) by ozlabs.ru (Postfix) with ESMTP id E9312AE80564; Sun, 15 Dec 2019 23:18:18 -0500 (EST) From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH kernel v2 0/4] Enable IOMMU support for pseries Secure VMs Date: Mon, 16 Dec 2019 15:19:20 +1100 Message-Id: <20191216041924.42318-1-aik@ozlabs.ru> X-Mailer: git-send-email 2.17.1 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , Michael Anderson , Ram Pai , kvm-ppc@vger.kernel.org, Paul Mackerras , Thiago Jung Bauermann , David Gibson Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This enables IOMMU for SVM. Instead of sharing a H_PUT_TCE_INDIRECT page, this uses H_PUT_TCE for mapping and H_STUFF_TCE for clearing TCEs which should bring acceptable performance at the boot time; otherwise things work with the same speed anyway. Please comment. Thanks. This is based on sha1 37d4e84f765b Linus Torvalds Merge tag 'ceph-for-5.5-rc2' of git://github.com/ceph/ceph-client Please comment. Thanks. Alexey Kardashevskiy (3): powerpc/pseries: Allow not having ibm,hypertas-functions::hcall-multi-tce for DDW powerpc/pseries/iommu: Separate FW_FEATURE_MULTITCE to put/stuff features powerpc/pseries/svm: Allow IOMMU to work in SVM Ram Pai (1): Revert "powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests" arch/powerpc/include/asm/firmware.h | 6 ++- arch/powerpc/platforms/pseries/firmware.c | 10 +++- arch/powerpc/platforms/pseries/iommu.c | 65 +++++++++++++---------- 3 files changed, 50 insertions(+), 31 deletions(-)