From patchwork Thu Feb 20 03:22:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11393161 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8FC711580 for ; Thu, 20 Feb 2020 03:25:53 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6618021D56 for ; Thu, 20 Feb 2020 03:25:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="OTr3aJxZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6618021D56 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:35278 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4cTI-0001bj-HO for patchwork-qemu-devel@patchwork.kernel.org; Wed, 19 Feb 2020 22:25:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41174) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4cR4-0004ah-1C for qemu-devel@nongnu.org; Wed, 19 Feb 2020 22:23:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j4cR2-0008Hu-Jo for qemu-devel@nongnu.org; Wed, 19 Feb 2020 22:23:33 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:56693 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j4cR1-0008Dk-Lq; Wed, 19 Feb 2020 22:23:32 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 48NKg00350z9sRt; Thu, 20 Feb 2020 14:23:23 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1582169004; bh=FFr8QTXtG4J8rnGCRYb/tmkP97s+UaHKY8wEmJk8kxU=; h=From:To:Cc:Subject:Date:From; b=OTr3aJxZIvgj77qXrLJDPJ6mLqAu//khGSpUKXhi69Nb06G87fPYttERFZM0DDTI/ 2uX1yKX/LVIgRINXo2cYk9m3WPD4g9bzofChwSgQnrtDedX8fUPKd4EZg4hrizZIc4 9IraXRm1nwpuKZuvdvFxizvV2cZZZQB0NBmJJ5gk= From: David Gibson To: qemu-ppc@nongnu.org, groug@kaod.org, clg@kaod.org Subject: [PATCH v5 00/18] target/ppc: Correct some errors with real mode handling Date: Thu, 20 Feb 2020 14:22:58 +1100 Message-Id: <20200220032317.96884-1-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, Thomas Huth , Xiao Guangrong , "Michael S. Tsirkin" , aik@ozlabs.ru, Mark Cave-Ayland , qemu-devel@nongnu.org, Igor Mammedov , paulus@samba.org, Paolo Bonzini , "Edgar E. Iglesias" , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" POWER "book S" (server class) cpus have a concept of "real mode" where MMU translation is disabled... sort of. In fact this can mean a bunch of slightly different things when hypervisor mode and other considerations are present. We had some errors in edge cases here, so clean some things up and correct them. Some of those limitations caused problems with calculating the size of the Real Mode Area of pseries guests, so continue on to clean up and correct those calculations as well. Changes since v4: * Some tiny cosmetic fixes to the original patches * Added a bunch of extra patches correcting RMA calculation Changes since v3: * Fix style errors reported by checkpatch Changes since v2: * Removed 32-bit hypervisor stubs more completely * Minor polish based on review comments Changes since RFCv1: * Add a number of extra patches taking advantage of the initial cleanups David Gibson (18): ppc: Remove stub support for 32-bit hypervisor mode ppc: Remove stub of PPC970 HID4 implementation target/ppc: Correct handling of real mode accesses with vhyp on hash MMU target/ppc: Introduce ppc_hash64_use_vrma() helper spapr, ppc: Remove VPM0/RMLS hacks for POWER9 target/ppc: Remove RMOR register from POWER9 & POWER10 target/ppc: Use class fields to simplify LPCR masking target/ppc: Streamline calculation of RMA limit from LPCR[RMLS] target/ppc: Correct RMLS table target/ppc: Only calculate RMLS derived RMA limit on demand target/ppc: Streamline construction of VRMA SLB entry target/ppc: Don't store VRMA SLBE persistently spapr: Don't use weird units for MIN_RMA_SLOF spapr,ppc: Simplify signature of kvmppc_rma_size() spapr: Don't attempt to clamp RMA to VRMA constraint spapr: Don't clamp RMA to 16GiB on new machine types spapr: Clean up RMA size calculation spapr: Fold spapr_node0_size() into its only caller hw/ppc/spapr.c | 124 ++++++------ hw/ppc/spapr_cpu_core.c | 6 +- hw/ppc/spapr_hcall.c | 4 +- include/hw/ppc/spapr.h | 4 +- target/ppc/cpu-qom.h | 1 + target/ppc/cpu.h | 25 +-- target/ppc/kvm.c | 5 +- target/ppc/kvm_ppc.h | 7 +- target/ppc/mmu-hash64.c | 327 ++++++++++++-------------------- target/ppc/translate_init.inc.c | 63 ++++-- 10 files changed, 252 insertions(+), 314 deletions(-)