From patchwork Thu Dec 8 19:38:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Matlack X-Patchwork-Id: 13068716 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 776F7C4332F for ; Thu, 8 Dec 2022 19:39:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229830AbiLHTju (ORCPT ); Thu, 8 Dec 2022 14:39:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229775AbiLHTjk (ORCPT ); Thu, 8 Dec 2022 14:39:40 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B752588B49 for ; Thu, 8 Dec 2022 11:39:29 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id t5-20020a5b07c5000000b006dfa2102debso2548051ybq.4 for ; Thu, 08 Dec 2022 11:39:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=jUiXg4Z/i5LqOe33gxGyRTPndvvAyQq0aDF8Gx926dw=; b=ighxqg/snU4tXdcxe5rmS9diIJMEYpBho3CcnpnWuQAtED+AhBGXYG30AvZnewuYSW +PxEPLajwD76T6tHoZB9rvsCIME05+Ml22rzK5huArVtcScCbqC6ekIOU+P5myHm4vXi R4EgQzje0PuBByDUR9/7eRDNQOVtYlSk3/+EZQFbpySSyYsvRa5mxUOW+WJy7P2kVHMr LdNRgzhOQbMvhiL/Ue8veJ5C2WtFDdDcwfdEEzx+4yjZrEaMU4AD1VnloLuIWDHrzj2p Nqw4S8uRQquwfvmcYjqYXUnPBaJxW1MX4LbeXgp1e25+ZAuz42vzjcVwAFjS+W3H33cg ky4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jUiXg4Z/i5LqOe33gxGyRTPndvvAyQq0aDF8Gx926dw=; b=GJrAqf2pEj6Z0XRcDEAgB8SDmMjkrsFeEdXimuS/uQFEua8li+IKjQIPqpcHIlxDer gt2VPEfCTG41rnWzFpsrFc9I4KylhqFycwkiCOjPcYqaMe06XiT+2sKibBbFpR3kEwvy YGRALufi+MucfrNOaF5H26JSFGFL0afh+zujl1cQ9YFwS1sc3QzCG7VmXN4u0I2gaW1J RjbjgpQY5kvQAr6AXqE3nDBdCjPwMPm++N4QtuIf8CFlXyDeMLUiYS/x8y6GigF/3Kr3 m/WMLDrdaNMQ0Aaf2Kty9lPqedImL8Xyc7bjbyS3Kw5zOcimBaQcXnvJ5qKnAeANgc7F OWMw== X-Gm-Message-State: ANoB5pkPfK7xk/H3Jgil4UvH+mWt3yij9XyEU70viGx5GQ8ElMDC1m9g kRr80a/tOJB2E16ezZlY2RVfSgWgSbCCRw== X-Google-Smtp-Source: AA0mqf5wtd6nzz7Bw3k0h8Agwz4nMHxILunKJx9Z/GTmhAEf2vfAyvwOajGTYXd4NdEjBogKL293TlwJdHSxug== X-Received: from dmatlack-n2d-128.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:1309]) (user=dmatlack job=sendgmr) by 2002:a25:7a03:0:b0:6dd:7c0a:4520 with SMTP id v3-20020a257a03000000b006dd7c0a4520mr93728044ybc.352.1670528368448; Thu, 08 Dec 2022 11:39:28 -0800 (PST) Date: Thu, 8 Dec 2022 11:38:33 -0800 In-Reply-To: <20221208193857.4090582-1-dmatlack@google.com> Mime-Version: 1.0 References: <20221208193857.4090582-1-dmatlack@google.com> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221208193857.4090582-14-dmatlack@google.com> Subject: [RFC PATCH 13/37] KVM: MMU: Move sptep_to_sp() to common code From: David Matlack To: Paolo Bonzini Cc: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Huacai Chen , Aleksandar Markovic , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Sean Christopherson , Andrew Morton , David Matlack , Anshuman Khandual , Nadav Amit , "Matthew Wilcox (Oracle)" , Vlastimil Babka , "Liam R. Howlett" , Suren Baghdasaryan , Peter Xu , xu xin , Arnd Bergmann , Yu Zhao , Colin Cross , Hugh Dickins , Ben Gardon , Mingwei Zhang , Krish Sadhukhan , Ricardo Koller , Jing Zhang , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Move sptep_to_sp() to common code in preparation for moving the TDP MMU to common code. No functional change intended. Signed-off-by: David Matlack --- arch/x86/kvm/mmu/spte.h | 14 ++------------ include/kvm/mmu.h | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+), 12 deletions(-) create mode 100644 include/kvm/mmu.h diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h index ad84c549fe96..4c5d518e3ac6 100644 --- a/arch/x86/kvm/mmu/spte.h +++ b/arch/x86/kvm/mmu/spte.h @@ -3,6 +3,8 @@ #ifndef KVM_X86_MMU_SPTE_H #define KVM_X86_MMU_SPTE_H +#include + #include "mmu_internal.h" /* @@ -219,23 +221,11 @@ static inline int spte_index(u64 *sptep) */ extern u64 __read_mostly shadow_nonpresent_or_rsvd_lower_gfn_mask; -static inline struct kvm_mmu_page *to_shadow_page(hpa_t shadow_page) -{ - struct page *page = pfn_to_page((shadow_page) >> PAGE_SHIFT); - - return (struct kvm_mmu_page *)page_private(page); -} - static inline struct kvm_mmu_page *spte_to_child_sp(u64 spte) { return to_shadow_page(spte & SPTE_BASE_ADDR_MASK); } -static inline struct kvm_mmu_page *sptep_to_sp(u64 *sptep) -{ - return to_shadow_page(__pa(sptep)); -} - static inline bool is_mmio_spte(u64 spte) { return (spte & shadow_mmio_mask) == shadow_mmio_value && diff --git a/include/kvm/mmu.h b/include/kvm/mmu.h new file mode 100644 index 000000000000..425db8e4f8e9 --- /dev/null +++ b/include/kvm/mmu.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __KVM_MMU_H +#define __KVM_MMU_H + +#include + +static inline struct kvm_mmu_page *to_shadow_page(hpa_t shadow_page) +{ + struct page *page = pfn_to_page((shadow_page) >> PAGE_SHIFT); + + return (struct kvm_mmu_page *)page_private(page); +} + +static inline struct kvm_mmu_page *sptep_to_sp(u64 *sptep) +{ + return to_shadow_page(__pa(sptep)); +} + +#endif /* !__KVM_MMU_H */