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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17425C4321E for ; Tue, 28 Sep 2021 19:10:31 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 C4C016139E for ; Tue, 28 Sep 2021 19:10:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C4C016139E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 8FA4B41586; Tue, 28 Sep 2021 19:10:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ez4gIjCNdH9n; Tue, 28 Sep 2021 19:10:29 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 69AA340802; Tue, 28 Sep 2021 19:10:29 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4F843C000F; Tue, 28 Sep 2021 19:10:29 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 04461C000D for ; Tue, 28 Sep 2021 19:10:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E73B941582 for ; Tue, 28 Sep 2021 19:10:26 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7hNIS2zINglH for ; Tue, 28 Sep 2021 19:10:24 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by smtp4.osuosl.org (Postfix) with ESMTPS id 7AC2540802 for ; Tue, 28 Sep 2021 19:10:22 +0000 (UTC) Received: from zn.tnic (p200300ec2f13b20078349fd04295260b.dip0.t-ipconnect.de [IPv6:2003:ec:2f13:b200:7834:9fd0:4295:260b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 394BC1EC067E; Tue, 28 Sep 2021 21:10:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1632856218; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references; bh=GCnPTyFFnPSLiurFbR8iLYuDvIM/ZylVNPX31loBg1U=; b=PgysYne7oRqig38Wg3EljqkqTDirqwkPAzRh5HiMtoiV+jJbJHTdrk3tVWUMlO9AliXjoI QYxOn8YzMjaQP86uf/uYhrT2bAzVSbUmsndVFpCY5/rue9vmSI/Ae0ek/NbRQmmnCheeB1 XkhBbUOn81FbH/ZWzpMG01inkCayyvg= From: Borislav Petkov To: LKML Subject: [PATCH v4 0/8] Implement generic cc_platform_has() helper function Date: Tue, 28 Sep 2021 21:10:01 +0200 Message-Id: <20210928191009.32551-1-bp@alien8.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Cc: linux-efi@vger.kernel.org, kvm@vger.kernel.org, David Airlie , Benjamin Herrenschmidt , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, Paul Mackerras , Will Deacon , Ard Biesheuvel , linux-s390@vger.kernel.org, Andi Kleen , Michael Ellerman , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Christian Borntraeger , VMware Graphics , Dave Young , Tom Lendacky , Thomas Zimmermann , Vasily Gorbik , Heiko Carstens , Maarten Lankhorst , Maxime Ripard , Andy Lutomirski , "Kirill A. Shutemov" , kexec@lists.infradead.org, iommu@lists.linux-foundation.org, Daniel Vetter , linuxppc-dev@lists.ozlabs.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Borislav Petkov Hi all, here's v4 of the cc_platform_has() patchset with feedback incorporated. I'm going to route this through tip if there are no objections. Thx. Tom Lendacky (8): x86/ioremap: Selectively build arch override encryption functions arch/cc: Introduce a function to check for confidential computing features x86/sev: Add an x86 version of cc_platform_has() powerpc/pseries/svm: Add a powerpc version of cc_platform_has() x86/sme: Replace occurrences of sme_active() with cc_platform_has() x86/sev: Replace occurrences of sev_active() with cc_platform_has() x86/sev: Replace occurrences of sev_es_active() with cc_platform_has() treewide: Replace the use of mem_encrypt_active() with cc_platform_has() arch/Kconfig | 3 + arch/powerpc/include/asm/mem_encrypt.h | 5 -- arch/powerpc/platforms/pseries/Kconfig | 1 + arch/powerpc/platforms/pseries/Makefile | 2 + arch/powerpc/platforms/pseries/cc_platform.c | 26 ++++++ arch/powerpc/platforms/pseries/svm.c | 5 +- arch/s390/include/asm/mem_encrypt.h | 2 - arch/x86/Kconfig | 1 + arch/x86/include/asm/io.h | 8 ++ arch/x86/include/asm/kexec.h | 2 +- arch/x86/include/asm/mem_encrypt.h | 12 +-- arch/x86/kernel/Makefile | 6 ++ arch/x86/kernel/cc_platform.c | 69 +++++++++++++++ arch/x86/kernel/crash_dump_64.c | 4 +- arch/x86/kernel/head64.c | 9 +- arch/x86/kernel/kvm.c | 3 +- arch/x86/kernel/kvmclock.c | 4 +- arch/x86/kernel/machine_kexec_64.c | 19 +++-- arch/x86/kernel/pci-swiotlb.c | 9 +- arch/x86/kernel/relocate_kernel_64.S | 2 +- arch/x86/kernel/sev.c | 6 +- arch/x86/kvm/svm/svm.c | 3 +- arch/x86/mm/ioremap.c | 18 ++-- arch/x86/mm/mem_encrypt.c | 55 ++++-------- arch/x86/mm/mem_encrypt_identity.c | 9 +- arch/x86/mm/pat/set_memory.c | 3 +- arch/x86/platform/efi/efi_64.c | 9 +- arch/x86/realmode/init.c | 8 +- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 +- drivers/gpu/drm/drm_cache.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_msg.c | 6 +- drivers/iommu/amd/init.c | 7 +- drivers/iommu/amd/iommu.c | 3 +- drivers/iommu/amd/iommu_v2.c | 3 +- drivers/iommu/iommu.c | 3 +- fs/proc/vmcore.c | 6 +- include/linux/cc_platform.h | 88 ++++++++++++++++++++ include/linux/mem_encrypt.h | 4 - kernel/dma/swiotlb.c | 4 +- 40 files changed, 310 insertions(+), 129 deletions(-) create mode 100644 arch/powerpc/platforms/pseries/cc_platform.c create mode 100644 arch/x86/kernel/cc_platform.c create mode 100644 include/linux/cc_platform.h -- 2.29.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu