From patchwork Wed Feb 26 19:55:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 13993088 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B693E2561D6 for ; Wed, 26 Feb 2025 19:55:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740599739; cv=none; b=lghaJL7acWvT4G8cQkdlaa6dCm1Az6ia/y+rvpkfu35yLxpIOmTmnAEhw7nA+CMreOBiRC8xz5l8+SSjaWGEeZxc+odmATUigvb7084Gy25MdSTAeXmF+wlal0HKK7NeEfCE6apq2icoge5lAkebHi7jDtuw2N2mg5uQ42JAPD4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740599739; c=relaxed/simple; bh=oSfoMmn7YNQsLBKyQR4HMYMoqlMbti/WmM+6xD5GnHI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=PFByZr418tmxTzD/fATlvPEQOMqvXNAbRfUltZWdyWhIZPSdqFlzMVUg+amvN89Zs9h/FF+h0IUf8fUvJ4D4SD8qf3PJ4am98ezX5cixXwbWYKyXKFfCr5fH0fAijm7MFlO7kb7JCjNpQbVlUgFBMUkNypM69PwQ2QYl0FS5dD4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=OffmsTur; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OffmsTur" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740599736; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=fTuFEyq9MBhk3f/4NXZp6mmbOA7+3m9VHkn192o48f4=; b=OffmsTurVsLtUzqoLwaVoXTbC7Mi+XaP6eZuTjGoLe3SSS6uKE3FN8uy8Pv2J5czG9/VuX P3HNPQESkP4tV4i9HASMd7JjGAEinZgEwA9IzI9/13qjI43SKKrUzWsL6T0OBWPZz8Ywmu Qlj44N4UsUS6uGMr+Xm4YImJlsCdmJc= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-479-ol4O3TrCPXWs9OmshU8pIA-1; Wed, 26 Feb 2025 14:55:32 -0500 X-MC-Unique: ol4O3TrCPXWs9OmshU8pIA-1 X-Mimecast-MFC-AGG-ID: ol4O3TrCPXWs9OmshU8pIA_1740599731 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 60C511800873; Wed, 26 Feb 2025 19:55:31 +0000 (UTC) Received: from virtlab1023.lab.eng.rdu2.redhat.com (virtlab1023.lab.eng.rdu2.redhat.com [10.8.1.187]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7F8A11944D02; Wed, 26 Feb 2025 19:55:30 +0000 (UTC) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: seanjc@google.com, Yan Zhao , Rick Edgecombe Subject: [PATCH v3 00/29] TDX MMU part 2 Date: Wed, 26 Feb 2025 14:55:00 -0500 Message-ID: <20250226195529.2314580-1-pbonzini@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Compared to v2 this one has no large changes other than the updated SEAMCALL API. The small ones include: - updated SEAMCALL API - various bugfixes from Yan - EPT A/D bits are now required - Disable PML for TD guests and various conflicts with earlier parts. Isaku Yamahata (17): x86/virt/tdx: Add SEAMCALL wrapper tdh_mem_sept_add() to add SEPT pages x86/virt/tdx: Add SEAMCALL wrappers to add TD private pages x86/virt/tdx: Add SEAMCALL wrappers to manage TDX TLB tracking x86/virt/tdx: Add SEAMCALL wrappers to remove a TD private page x86/virt/tdx: Add SEAMCALL wrappers for TD measurement of initial contents KVM: x86/tdp_mmu: Add a helper function to walk down the TDP MMU KVM: TDX: Add accessors VMX VMCS helpers KVM: TDX: Set gfn_direct_bits to shared bit KVM: TDX: Require TDP MMU, mmio caching and EPT A/D bits for TDX KVM: x86/mmu: Add setter for shadow_mmio_value KVM: TDX: Set per-VM shadow_mmio_value to 0 KVM: TDX: Handle TLB tracking for TDX KVM: TDX: Implement hooks to propagate changes of TDP MMU mirror page table KVM: TDX: Implement hook to get max mapping level of private pages KVM: TDX: Add an ioctl to create initial guest memory KVM: TDX: Finalize VM initialization KVM: TDX: Handle vCPU dissociation Paolo Bonzini (1): KVM: TDX: Skip updating CPU dirty logging request for TDs Rick Edgecombe (3): KVM: x86/mmu: Implement memslot deletion for TDX KVM: VMX: Teach EPT violation helper about private mem KVM: x86/mmu: Export kvm_tdp_map_page() Sean Christopherson (2): KVM: VMX: Split out guts of EPT violation to common/exposed function KVM: TDX: Add load_mmu_pgd method for TDX Yan Zhao (6): KVM: x86/mmu: Do not enable page track for TD guest KVM: x86/mmu: Bail out kvm_tdp_map_page() when VM dead KVM: Add parameter "kvm" to kvm_cpu_dirty_log_size() and its callers KVM: x86/mmu: Add parameter "kvm" to kvm_mmu_page_ad_need_write_protect() KVM: x86: Make cpu_dirty_log_size a per-VM value KVM: TDX: Handle SEPT zap error due to page add error in premap arch/x86/include/asm/kvm_host.h | 12 +- arch/x86/include/asm/tdx.h | 15 +- arch/x86/include/asm/vmx.h | 1 + arch/x86/include/uapi/asm/kvm.h | 10 + arch/x86/kvm/mmu.h | 4 + arch/x86/kvm/mmu/mmu.c | 17 +- arch/x86/kvm/mmu/mmu_internal.h | 5 +- arch/x86/kvm/mmu/page_track.c | 3 + arch/x86/kvm/mmu/spte.c | 10 +- arch/x86/kvm/mmu/tdp_mmu.c | 49 ++- arch/x86/kvm/vmx/common.h | 43 ++ arch/x86/kvm/vmx/main.c | 119 ++++- arch/x86/kvm/vmx/tdx.c | 745 +++++++++++++++++++++++++++++++- arch/x86/kvm/vmx/tdx.h | 93 ++++ arch/x86/kvm/vmx/tdx_arch.h | 23 + arch/x86/kvm/vmx/vmx.c | 31 +- arch/x86/kvm/vmx/x86_ops.h | 51 +++ arch/x86/kvm/x86.c | 6 +- arch/x86/virt/vmx/tdx/tdx.c | 139 ++++++ arch/x86/virt/vmx/tdx/tdx.h | 8 + include/linux/kvm_dirty_ring.h | 11 +- virt/kvm/dirty_ring.c | 11 +- virt/kvm/kvm_main.c | 5 +- 23 files changed, 1326 insertions(+), 85 deletions(-) create mode 100644 arch/x86/kvm/vmx/common.h