From mboxrd@z Thu Jan 1 00:00:00 1970 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 615F26F06B for ; Mon, 9 Sep 2024 15:33:44 +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=1725896025; cv=none; b=kIhjpvqBpKmUiwrFjU4xVDSFHE51g5IOUrrkGq+sJ4xBIcKwSvKDqdeoKH4rp9N6U+dADIcspAHcMncGcShc1O5uBjy4d1Oov6nVV58A9F9D1iX90WezrdlfZzU5OBHP7Rn0wlRNiC6POAgSNLnNfVlj/wJcr73Pw+G/7aqMM4k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725896025; c=relaxed/simple; bh=UMQZe0Ltvv2IG2a9wljq7TM3IkBwoLnGQUULyAPtGAk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TE8zxnkOtmD2X4C4XwhDVxuGxYPvMuq1pwWPOMOswxdD9Rl30GLlkqV6UfAWXf3WBBbNoH8TomH7XnoNSY/Py6ebp9BrZvNzcXQjc/ZFHKwbMcFLxmxDcv2h7oCd6XwMQbXeXvpSTgJ4QLNljdI3YVQ1DIOBNgFKnFDPSBmHm00= 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=BJ4npUj4; 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="BJ4npUj4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1725896023; 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: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=WidaePpOhrsaL47Ug1d7ZVUIzC/tXX366e9bJY3o/FY=; b=BJ4npUj4OMdVAo4i9wPaPHSgpAZcvBHbovuEhgdDKjZEjCnrym0K3mJNDOyaRiu9Bd57oA APgvzi5WAHdab5Q+WRW5izTSiEd//t+afD7u9Q6Gbgo5Bj8a4kHo061YLXiu1PBmu6U6+q gi3Uz1kkpv+codF4XBof26Yk0GXiCbY= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-79-l4FEynRWPX6IuHr1fiqW3g-1; Mon, 09 Sep 2024 11:33:42 -0400 X-MC-Unique: l4FEynRWPX6IuHr1fiqW3g-1 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-42cb0b0514bso16820055e9.1 for ; Mon, 09 Sep 2024 08:33:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725896021; x=1726500821; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=WidaePpOhrsaL47Ug1d7ZVUIzC/tXX366e9bJY3o/FY=; b=gkJh9kh1C+PhK5ftFU7yJZxoJCr+NQL3C9O4Iaoa0eenZQDM7ABpouN3LA5zCx9ym5 Lz6wTuR8yYQXQUoGuLcHumIpdmrlfBAgvurWpijb9nT7LTR7p+1dTCEqRM8NlzslrtA4 9799Kxe8fFOmIhInHCa8b8/dhvKou5i00H8Meus8HQaMFrgUwPW3MIr79b4BadKv9LaS cJmLSVXpTXHJKT2ZnLCEXJYgNm/pbgBvZ26ZN9kGhLt9skwl4JY2ZkBCx0qNxOZc3jJH FRN30vMi8ScfKvJbeBy7YrWU7WgMo1fdDLEqFRya/EOzqkSlxSlMKrP2iYflXZVPMJ+4 2z/Q== X-Forwarded-Encrypted: i=1; AJvYcCVB0ek85PhGsSD82nb0lynvPCL4QOts90630dZlOood3KfsBx2pUSQvi6NUjcGqbYFOmfb8Qo0yYVUhUic=@vger.kernel.org X-Gm-Message-State: AOJu0Yyy9vfIF5oYDEXGSr9kUKJn00IjQI61aAl9O4oSUagr2yDfEsq+ c+6PY+Hjfjq/Hz/Bgnon373zEqsi6yJ5Q+LNtglDFTFA4QbwBvRP8Df6h3kY37vzTwWAphYNdnF aIpGHbNfh4eTT0LFWZp4/s6M9HqpKRYF75WKFcvmtwVrLI5ZtSEBgV7hTsq4gHg== X-Received: by 2002:a05:600c:5102:b0:42c:bbd5:af60 with SMTP id 5b1f17b1804b1-42cbbd5b298mr10870445e9.24.1725896020798; Mon, 09 Sep 2024 08:33:40 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF4dw4cu2zgK6ywhn2YqWBHMvf6OtteRJfVRRO50kbxvWZF7bAUiZqNmFhsu/81vGaAeWGxag== X-Received: by 2002:a05:600c:5102:b0:42c:bbd5:af60 with SMTP id 5b1f17b1804b1-42cbbd5b298mr10870175e9.24.1725896020281; Mon, 09 Sep 2024 08:33:40 -0700 (PDT) Received: from [192.168.10.81] ([151.95.101.29]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-42caeb8181csm80215315e9.33.2024.09.09.08.33.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Sep 2024 08:33:39 -0700 (PDT) Message-ID: <32ab1360-84c4-4eec-b1ee-d3e63cdbee44@redhat.com> Date: Mon, 9 Sep 2024 17:33:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 11/21] KVM: x86/mmu: Add setter for shadow_mmio_value To: Rick Edgecombe , seanjc@google.com, kvm@vger.kernel.org Cc: kai.huang@intel.com, dmatlack@google.com, isaku.yamahata@gmail.com, yan.y.zhao@intel.com, nik.borisov@suse.com, linux-kernel@vger.kernel.org References: <20240904030751.117579-1-rick.p.edgecombe@intel.com> <20240904030751.117579-12-rick.p.edgecombe@intel.com> From: Paolo Bonzini Content-Language: en-US Autocrypt: addr=pbonzini@redhat.com; keydata= xsEhBFRCcBIBDqDGsz4K0zZun3jh+U6Z9wNGLKQ0kSFyjN38gMqU1SfP+TUNQepFHb/Gc0E2 CxXPkIBTvYY+ZPkoTh5xF9oS1jqI8iRLzouzF8yXs3QjQIZ2SfuCxSVwlV65jotcjD2FTN04 hVopm9llFijNZpVIOGUTqzM4U55sdsCcZUluWM6x4HSOdw5F5Utxfp1wOjD/v92Lrax0hjiX DResHSt48q+8FrZzY+AUbkUS+Jm34qjswdrgsC5uxeVcLkBgWLmov2kMaMROT0YmFY6A3m1S P/kXmHDXxhe23gKb3dgwxUTpENDBGcfEzrzilWueOeUWiOcWuFOed/C3SyijBx3Av/lbCsHU Vx6pMycNTdzU1BuAroB+Y3mNEuW56Yd44jlInzG2UOwt9XjjdKkJZ1g0P9dwptwLEgTEd3Fo UdhAQyRXGYO8oROiuh+RZ1lXp6AQ4ZjoyH8WLfTLf5g1EKCTc4C1sy1vQSdzIRu3rBIjAvnC tGZADei1IExLqB3uzXKzZ1BZ+Z8hnt2og9hb7H0y8diYfEk2w3R7wEr+Ehk5NQsT2MPI2QBd wEv1/Aj1DgUHZAHzG1QN9S8wNWQ6K9DqHZTBnI1hUlkp22zCSHK/6FwUCuYp1zcAEQEAAc0j UGFvbG8gQm9uemluaSA8cGJvbnppbmlAcmVkaGF0LmNvbT7CwU0EEwECACMFAlRCcBICGwMH CwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAKCRB+FRAMzTZpsbceDp9IIN6BIA0Ol7MoB15E 11kRz/ewzryFY54tQlMnd4xxfH8MTQ/mm9I482YoSwPMdcWFAKnUX6Yo30tbLiNB8hzaHeRj jx12K+ptqYbg+cevgOtbLAlL9kNgLLcsGqC2829jBCUTVeMSZDrzS97ole/YEez2qFpPnTV0 VrRWClWVfYh+JfzpXmgyhbkuwUxNFk421s4Ajp3d8nPPFUGgBG5HOxzkAm7xb1cjAuJ+oi/K CHfkuN+fLZl/u3E/fw7vvOESApLU5o0icVXeakfSz0LsygEnekDbxPnE5af/9FEkXJD5EoYG SEahaEtgNrR4qsyxyAGYgZlS70vkSSYJ+iT2rrwEiDlo31MzRo6Ba2FfHBSJ7lcYdPT7bbk9 AO3hlNMhNdUhoQv7M5HsnqZ6unvSHOKmReNaS9egAGdRN0/GPDWr9wroyJ65ZNQsHl9nXBqE AukZNr5oJO5vxrYiAuuTSd6UI/xFkjtkzltG3mw5ao2bBpk/V/YuePrJsnPFHG7NhizrxttB nTuOSCMo45pfHQ+XYd5K1+Cv/NzZFNWscm5htJ0HznY+oOsZvHTyGz3v91pn51dkRYN0otqr bQ4tlFFuVjArBZcapSIe6NV8C4cEiSTOwE0EVEJx7gEIAMeHcVzuv2bp9HlWDp6+RkZe+vtl KwAHplb/WH59j2wyG8V6i33+6MlSSJMOFnYUCCL77bucx9uImI5nX24PIlqT+zasVEEVGSRF m8dgkcJDB7Tps0IkNrUi4yof3B3shR+vMY3i3Ip0e41zKx0CvlAhMOo6otaHmcxr35sWq1Jk tLkbn3wG+fPQCVudJJECvVQ//UAthSSEklA50QtD2sBkmQ14ZryEyTHQ+E42K3j2IUmOLriF dNr9NvE1QGmGyIcbw2NIVEBOK/GWxkS5+dmxM2iD4Jdaf2nSn3jlHjEXoPwpMs0KZsgdU0pP JQzMUMwmB1wM8JxovFlPYrhNT9MAEQEAAcLBMwQYAQIACQUCVEJx7gIbDAAKCRB+FRAMzTZp sadRDqCctLmYICZu4GSnie4lKXl+HqlLanpVMOoFNnWs9oRP47MbE2wv8OaYh5pNR9VVgyhD OG0AU7oidG36OeUlrFDTfnPYYSF/mPCxHttosyt8O5kabxnIPv2URuAxDByz+iVbL+RjKaGM GDph56ZTswlx75nZVtIukqzLAQ5fa8OALSGum0cFi4ptZUOhDNz1onz61klD6z3MODi0sBZN Aj6guB2L/+2ZwElZEeRBERRd/uommlYuToAXfNRdUwrwl9gRMiA0WSyTb190zneRRDfpSK5d usXnM/O+kr3Dm+Ui+UioPf6wgbn3T0o6I5BhVhs4h4hWmIW7iNhPjX1iybXfmb1gAFfjtHfL xRUr64svXpyfJMScIQtBAm0ihWPltXkyITA92ngCmPdHa6M1hMh4RDX+Jf1fiWubzp1voAg0 JBrdmNZSQDz0iKmSrx8xkoXYfA3bgtFN8WJH2xgFL28XnqY4M6dLhJwV3z08tPSRqYFm4NMP dRsn0/7oymhneL8RthIvjDDQ5ktUjMe8LtHr70OZE/TT88qvEdhiIVUogHdo4qBrk41+gGQh b906Dudw5YhTJFU3nC6bbF2nrLlB4C/XSiH76ZvqzV0Z/cAMBo5NF/w= In-Reply-To: <20240904030751.117579-12-rick.p.edgecombe@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/4/24 05:07, Rick Edgecombe wrote: > From: Isaku Yamahata > > Future changes will want to set shadow_mmio_value from TDX code. Add a > helper to setter with a name that makes more sense from that context. > > Signed-off-by: Isaku Yamahata > [split into new patch] > Signed-off-by: Rick Edgecombe > --- > TDX MMU part 2 v1: > - Split into new patch > --- > arch/x86/kvm/mmu.h | 1 + > arch/x86/kvm/mmu/spte.c | 6 ++++++ > 2 files changed, 7 insertions(+) > > diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h > index 5faa416ac874..72035154a23a 100644 > --- a/arch/x86/kvm/mmu.h > +++ b/arch/x86/kvm/mmu.h > @@ -78,6 +78,7 @@ static inline gfn_t kvm_mmu_max_gfn(void) > u8 kvm_mmu_get_max_tdp_level(void); > > void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 mmio_mask, u64 access_mask); > +void kvm_mmu_set_mmio_spte_value(struct kvm *kvm, u64 mmio_value); > void kvm_mmu_set_me_spte_mask(u64 me_value, u64 me_mask); > void kvm_mmu_set_ept_masks(bool has_ad_bits, bool has_exec_only); > > diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c > index d4527965e48c..46a26be0245b 100644 > --- a/arch/x86/kvm/mmu/spte.c > +++ b/arch/x86/kvm/mmu/spte.c > @@ -409,6 +409,12 @@ void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 mmio_mask, u64 access_mask) > } > EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask); > > +void kvm_mmu_set_mmio_spte_value(struct kvm *kvm, u64 mmio_value) > +{ > + kvm->arch.shadow_mmio_value = mmio_value; > +} > +EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_value); > + > void kvm_mmu_set_me_spte_mask(u64 me_value, u64 me_mask) > { > /* shadow_me_value must be a subset of shadow_me_mask */ Reviewed-by: Paolo Bonzini