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 X-Spam-Level: X-Spam-Status: No, score=-26.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D435C433E6 for ; Fri, 8 Jan 2021 12:19:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 193952388B for ; Fri, 8 Jan 2021 12:19:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728373AbhAHMTP (ORCPT ); Fri, 8 Jan 2021 07:19:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727887AbhAHMRT (ORCPT ); Fri, 8 Jan 2021 07:17:19 -0500 Received: from mail-wr1-x449.google.com (mail-wr1-x449.google.com [IPv6:2a00:1450:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11174C061249 for ; Fri, 8 Jan 2021 04:16:07 -0800 (PST) Received: by mail-wr1-x449.google.com with SMTP id u3so4039101wri.19 for ; Fri, 08 Jan 2021 04:16:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=il5Ne6t9ivsIijZMruN4gBaX+EYvvCeqM4wXdD5b87Akf7GQMUT8tlcc2rbeXb7ACq W7SWjD+hfCBW1GKfXcme+zjutCmdrdDkjDj5gkZnYovFg7hEqVXuCt4LrZRE0D57GxY6 jZbSgOnq3+qcZ4Dw+JxLPQAjxFDxivg8qTM4alr2Zlpvs1Qqp7TcV7961SoTi+NCFKv4 EJFusiTj/nYe3sG8Izc+8vA0vPTM0bQ3MFtgsDM67pHpZQSPjgWpmqNfWmxC513MPx9X B29+4inY3oKYwuI28k+z5rC2h4J3QqMM7y9GNFIXvEv3PjLk2FMDzIH2+TuzoBoPrG9L a+Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=FkbO5f4xhZVfueh1h+HpDiEm5uLSmrGsbS+FPZyacPmWrdvQEmQR6tUV/Axl1c5u7N dB2201wWZUexqtEW995TlcJz/vbhyMs892nTgl5sVAlyFPKFeWZ9GpLVrC45QTiIRz9u cDkLovOve5d0PGBwGr5ZW0hQFvXDEXzhCrM1OQr8t1z8jbLMxirSXVYUcF1LgbfT1hth flfIrAxniypPCPQJWiYDBLWrzpvyNIttYSzJ2bwRVJ7joQFcQMHtiQo0Z+6tWyVYDbGl +TV2R6ossBgJ8uWPAvYr7FSpNWt0fMP1KWQLCoOMDxyVQJCzKPMNoesaeB+3kAk5X1n2 Z9Hw== X-Gm-Message-State: AOAM532HniIzg7fuGyBWueWGfsbiog6gOCk1XZ2oJzw+alReK42DleZm UvawLfNH4ixYZ2vM5qAoC231NWVdXHtX X-Google-Smtp-Source: ABdhPJzjWGN+5xVfhWSi3YDL8WD48Ac+Xyz9aYshsE62TB/0secJVMv8rCBBauyHDfw1ABRdMfgAQ+Xn26ZG Sender: "qperret via sendgmr" X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a7b:c044:: with SMTP id u4mr1784013wmc.1.1610108165063; Fri, 08 Jan 2021 04:16:05 -0800 (PST) Date: Fri, 8 Jan 2021 12:15:16 +0000 In-Reply-To: <20210108121524.656872-1-qperret@google.com> Message-Id: <20210108121524.656872-19-qperret@google.com> Mime-Version: 1.0 References: <20210108121524.656872-1-qperret@google.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [RFC PATCH v2 18/26] KVM: arm64: Use kvm_arch for stage 2 pgtable From: Quentin Perret To: Catalin Marinas , Will Deacon , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Rob Herring , Frank Rowand Cc: devicetree@vger.kernel.org, android-kvm@google.com, linux-kernel@vger.kernel.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, Fuad Tabba , Mark Rutland , David Brazdil Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to make use of the stage 2 pgtable code for the host stage 2, use struct kvm_arch in lieu of struct kvm as the host will have the former but not the latter. Signed-off-by: Quentin Perret --- arch/arm64/include/asm/kvm_pgtable.h | 5 +++-- arch/arm64/kvm/hyp/pgtable.c | 6 +++--- arch/arm64/kvm/mmu.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 45acc9dc6c45..8e8f1d2c5e0e 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -151,12 +151,13 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys, /** * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table. * @pgt: Uninitialised page-table structure to initialise. - * @kvm: KVM structure representing the guest virtual machine. + * @arch: Arch-specific KVM structure representing the guest virtual + * machine. * @mm_ops: Memory management callbacks. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops); /** diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 61a8a34ddfdb..96a25d0b7b6e 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -855,11 +855,11 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size) return kvm_pgtable_walk(pgt, addr, size, &walker); } -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops) { size_t pgd_sz; - u64 vtcr = kvm->arch.vtcr; + u64 vtcr = arch->vtcr; u32 ia_bits = VTCR_EL2_IPA(vtcr); u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr); u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0; @@ -872,7 +872,7 @@ int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, pgt->ia_bits = ia_bits; pgt->start_level = start_level; pgt->mm_ops = mm_ops; - pgt->mmu = &kvm->arch.mmu; + pgt->mmu = &arch->mmu; /* Ensure zeroed PGD pages are visible to the hardware walker */ dsb(ishst); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 9d4c9251208e..7e6263103943 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -461,7 +461,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) if (!pgt) return -ENOMEM; - err = kvm_pgtable_stage2_init(pgt, kvm, &kvm_s2_mm_ops); + err = kvm_pgtable_stage2_init(pgt, &kvm->arch, &kvm_s2_mm_ops); if (err) goto out_free_pgtable; -- 2.30.0.284.gd98b1dd5eaa7-goog 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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DD73C433DB for ; Fri, 8 Jan 2021 12:16:13 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id EA87623975 for ; Fri, 8 Jan 2021 12:16:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA87623975 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8E0BD4B3E1; Fri, 8 Jan 2021 07:16:12 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M9At0PeduMGL; Fri, 8 Jan 2021 07:16:11 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6D7414B3E4; Fri, 8 Jan 2021 07:16:11 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BBCD44B40E for ; Fri, 8 Jan 2021 07:16:09 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KEHzhgjUnzCW for ; Fri, 8 Jan 2021 07:16:08 -0500 (EST) Received: from mail-wm1-f73.google.com (mail-wm1-f73.google.com [209.85.128.73]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 92E8E4B25F for ; Fri, 8 Jan 2021 07:16:06 -0500 (EST) Received: by mail-wm1-f73.google.com with SMTP id z12so3137704wmf.9 for ; Fri, 08 Jan 2021 04:16:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=il5Ne6t9ivsIijZMruN4gBaX+EYvvCeqM4wXdD5b87Akf7GQMUT8tlcc2rbeXb7ACq W7SWjD+hfCBW1GKfXcme+zjutCmdrdDkjDj5gkZnYovFg7hEqVXuCt4LrZRE0D57GxY6 jZbSgOnq3+qcZ4Dw+JxLPQAjxFDxivg8qTM4alr2Zlpvs1Qqp7TcV7961SoTi+NCFKv4 EJFusiTj/nYe3sG8Izc+8vA0vPTM0bQ3MFtgsDM67pHpZQSPjgWpmqNfWmxC513MPx9X B29+4inY3oKYwuI28k+z5rC2h4J3QqMM7y9GNFIXvEv3PjLk2FMDzIH2+TuzoBoPrG9L a+Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=eBy1oveNYqrQhLwFaY3xRyQCiRNuAv8Xfc53pwcpJD71jjIPW0/UZFj75D2EJ9DJxB yvq9qj4cO3W3BYwH9kqSTJ8vRbXYfrpgXJCfVHtnknk03TXrfmVpA7ulFlbjmEE0bFtp MU8e2/9iG6FkCxexKPuxASYnftBe23pYS0okNrfaslZvNqcKHwLkcjxDreJ2UQRfPEco IEcxwQ8ZSo9gAkHyEGUTEw4h1lWpdADS7vxG+S7cOFACA7Zcaw+xr5TwGPtaKiOjxulb /ICkrxG2xwJSdRNE256p0pd3WWc1/4j938u4WwZUpYr3/E0zfuqomgkENRcFp5ngWnmj MWBw== X-Gm-Message-State: AOAM532dHhhvQu9eOHCT1NzzUGJsZ22HGeF6axCYhvstyfFsA1IaVknm sgaF0EbOfgqI39PMgw6mMHcHS6G9Yn3D X-Google-Smtp-Source: ABdhPJzjWGN+5xVfhWSi3YDL8WD48Ac+Xyz9aYshsE62TB/0secJVMv8rCBBauyHDfw1ABRdMfgAQ+Xn26ZG X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a7b:c044:: with SMTP id u4mr1784013wmc.1.1610108165063; Fri, 08 Jan 2021 04:16:05 -0800 (PST) Date: Fri, 8 Jan 2021 12:15:16 +0000 In-Reply-To: <20210108121524.656872-1-qperret@google.com> Message-Id: <20210108121524.656872-19-qperret@google.com> Mime-Version: 1.0 References: <20210108121524.656872-1-qperret@google.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [RFC PATCH v2 18/26] KVM: arm64: Use kvm_arch for stage 2 pgtable From: Quentin Perret To: Catalin Marinas , Will Deacon , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Rob Herring , Frank Rowand Cc: devicetree@vger.kernel.org, android-kvm@google.com, linux-kernel@vger.kernel.org, Fuad Tabba , kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu In order to make use of the stage 2 pgtable code for the host stage 2, use struct kvm_arch in lieu of struct kvm as the host will have the former but not the latter. Signed-off-by: Quentin Perret --- arch/arm64/include/asm/kvm_pgtable.h | 5 +++-- arch/arm64/kvm/hyp/pgtable.c | 6 +++--- arch/arm64/kvm/mmu.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 45acc9dc6c45..8e8f1d2c5e0e 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -151,12 +151,13 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys, /** * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table. * @pgt: Uninitialised page-table structure to initialise. - * @kvm: KVM structure representing the guest virtual machine. + * @arch: Arch-specific KVM structure representing the guest virtual + * machine. * @mm_ops: Memory management callbacks. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops); /** diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 61a8a34ddfdb..96a25d0b7b6e 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -855,11 +855,11 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size) return kvm_pgtable_walk(pgt, addr, size, &walker); } -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops) { size_t pgd_sz; - u64 vtcr = kvm->arch.vtcr; + u64 vtcr = arch->vtcr; u32 ia_bits = VTCR_EL2_IPA(vtcr); u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr); u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0; @@ -872,7 +872,7 @@ int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, pgt->ia_bits = ia_bits; pgt->start_level = start_level; pgt->mm_ops = mm_ops; - pgt->mmu = &kvm->arch.mmu; + pgt->mmu = &arch->mmu; /* Ensure zeroed PGD pages are visible to the hardware walker */ dsb(ishst); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 9d4c9251208e..7e6263103943 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -461,7 +461,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) if (!pgt) return -ENOMEM; - err = kvm_pgtable_stage2_init(pgt, kvm, &kvm_s2_mm_ops); + err = kvm_pgtable_stage2_init(pgt, &kvm->arch, &kvm_s2_mm_ops); if (err) goto out_free_pgtable; -- 2.30.0.284.gd98b1dd5eaa7-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AB0EC433E0 for ; Fri, 8 Jan 2021 12:27:41 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 BB467239EB for ; Fri, 8 Jan 2021 12:27:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB467239EB Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:From:Subject:References:Mime-Version:Message-Id: In-Reply-To:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Rk9e6miBLPCqSLF2pZYZsPJByIHJNI9kY/BeL/Vkv+M=; b=ZuCXlKS7ZOTYdU5XuLMLH84hs cTr/ZqmF2B1B/BWRPS7OBpKCkj3Ycjy+HSzcLAwG8WdF1w88dBdvZ7NoRr6CjeSTJps3FnvQuj9Wg 0iRmNjOIJD0NfeJKsbRei17y+Ph1hTvzXWn9F8VujA5LGnpk+Gieh2hr0R4Q3w4WfHlktAFE/5EJk R35vE6Of2CSP9llQ2Y8jPnRirqdyWk3qkcz9kfmRiGPXOzdru2RLvPB4PNZZ6GzDWg+3UaPGEK1df gwLCp8rSk7LD0z5HHLzzUAm1voOEnELH5hbDY2KwE0DUpwzVvwWotAqUAFqfn6OuRjsYuHpsbrKoY bm5IhYIDQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kxqpQ-0002RG-6B; Fri, 08 Jan 2021 12:25:16 +0000 Received: from mail-wr1-x44a.google.com ([2a00:1450:4864:20::44a]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kxqgg-0006uw-27 for linux-arm-kernel@lists.infradead.org; Fri, 08 Jan 2021 12:16:26 +0000 Received: by mail-wr1-x44a.google.com with SMTP id g16so4102951wrv.1 for ; Fri, 08 Jan 2021 04:16:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=il5Ne6t9ivsIijZMruN4gBaX+EYvvCeqM4wXdD5b87Akf7GQMUT8tlcc2rbeXb7ACq W7SWjD+hfCBW1GKfXcme+zjutCmdrdDkjDj5gkZnYovFg7hEqVXuCt4LrZRE0D57GxY6 jZbSgOnq3+qcZ4Dw+JxLPQAjxFDxivg8qTM4alr2Zlpvs1Qqp7TcV7961SoTi+NCFKv4 EJFusiTj/nYe3sG8Izc+8vA0vPTM0bQ3MFtgsDM67pHpZQSPjgWpmqNfWmxC513MPx9X B29+4inY3oKYwuI28k+z5rC2h4J3QqMM7y9GNFIXvEv3PjLk2FMDzIH2+TuzoBoPrG9L a+Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=QIpOnJAJDFYwraC0ddDqr7tOixX5GyHqc+eN2zNJpAo=; b=smFCpc4niEcqXoXBi+nSKN3a0YN5cNZk3CcgiJPxCLFNEqtF60rWjT/Oc6PI6HLOHY ftBC31vLvWAAIPIOZ9Xx4EENt6KHUQFc5BlrUZ3vHROOjkLg3YhDMe4J7+SbQjO3tshb 70d0RMmrAcZgKZQnVX+9bj/0m6C88GIbKZB/7d1nr/TnmSIp5gf0HxRSN79G/l/sRTCP Ax1kt7GLu9aP6969BWMSs6+cEspBLCkfktkvEEvoRemYmdaeIIEJyUsNhtcROivhhYgR S5j69mIgv/Zi6t+6lT16bUgzUoWG3MHOHSm7z6zr9B4paZCM6cOFfm4u+flYN9fAs+b8 120Q== X-Gm-Message-State: AOAM532c4KzgiwwWse37LDSTK5Mhl1DER/kIStiJiirhJgV/LBXSgfbA 4pkXb+Qp0dibyVOLX1HjfhxLoYIzFRKA X-Google-Smtp-Source: ABdhPJzjWGN+5xVfhWSi3YDL8WD48Ac+Xyz9aYshsE62TB/0secJVMv8rCBBauyHDfw1ABRdMfgAQ+Xn26ZG X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a7b:c044:: with SMTP id u4mr1784013wmc.1.1610108165063; Fri, 08 Jan 2021 04:16:05 -0800 (PST) Date: Fri, 8 Jan 2021 12:15:16 +0000 In-Reply-To: <20210108121524.656872-1-qperret@google.com> Message-Id: <20210108121524.656872-19-qperret@google.com> Mime-Version: 1.0 References: <20210108121524.656872-1-qperret@google.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [RFC PATCH v2 18/26] KVM: arm64: Use kvm_arch for stage 2 pgtable From: Quentin Perret To: Catalin Marinas , Will Deacon , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Rob Herring , Frank Rowand X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210108_071614_188460_8D7715D3 X-CRM114-Status: GOOD ( 14.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, android-kvm@google.com, linux-kernel@vger.kernel.org, Fuad Tabba , David Brazdil , kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In order to make use of the stage 2 pgtable code for the host stage 2, use struct kvm_arch in lieu of struct kvm as the host will have the former but not the latter. Signed-off-by: Quentin Perret --- arch/arm64/include/asm/kvm_pgtable.h | 5 +++-- arch/arm64/kvm/hyp/pgtable.c | 6 +++--- arch/arm64/kvm/mmu.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 45acc9dc6c45..8e8f1d2c5e0e 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -151,12 +151,13 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys, /** * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table. * @pgt: Uninitialised page-table structure to initialise. - * @kvm: KVM structure representing the guest virtual machine. + * @arch: Arch-specific KVM structure representing the guest virtual + * machine. * @mm_ops: Memory management callbacks. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops); /** diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 61a8a34ddfdb..96a25d0b7b6e 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -855,11 +855,11 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size) return kvm_pgtable_walk(pgt, addr, size, &walker); } -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops) { size_t pgd_sz; - u64 vtcr = kvm->arch.vtcr; + u64 vtcr = arch->vtcr; u32 ia_bits = VTCR_EL2_IPA(vtcr); u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr); u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0; @@ -872,7 +872,7 @@ int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, pgt->ia_bits = ia_bits; pgt->start_level = start_level; pgt->mm_ops = mm_ops; - pgt->mmu = &kvm->arch.mmu; + pgt->mmu = &arch->mmu; /* Ensure zeroed PGD pages are visible to the hardware walker */ dsb(ishst); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 9d4c9251208e..7e6263103943 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -461,7 +461,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) if (!pgt) return -ENOMEM; - err = kvm_pgtable_stage2_init(pgt, kvm, &kvm_s2_mm_ops); + err = kvm_pgtable_stage2_init(pgt, &kvm->arch, &kvm_s2_mm_ops); if (err) goto out_free_pgtable; -- 2.30.0.284.gd98b1dd5eaa7-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel