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=-17.5 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=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 996A8C4338F for ; Thu, 29 Jul 2021 13:39:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 565906052B for ; Thu, 29 Jul 2021 13:39:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 565906052B Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc: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=/hZ6B0w7M+gGHpjf0h55W0szE5eDYSNmbqQiIqzYAeQ=; b=EvtNyaCzbKgN/FlcHsFgHZhep+ ykOEsx4xQkKnWanLPEdLRRc9DvzziAdEksXA/hzAoxQOVmKlRhQ0bfledIICfdX878bb9oyWf3OIQ Gfx5C9IqweYEtbqmcfICqcQztdL9SK0Fa2AYoYl4axr6paAkURb97exkyKp9cfEa/zCtW5GQQi/LV 5va4t+o+naoF1PL1C1b5HGDeo5Ph9VVZ123l6BzNQS2hFWgBr4ifeF8vmVtd/Bkoywr6k6lyKEndO 3f9vYrnyJHNSkcz/EjzxzzwoBwmucjXaggVoClE+8U513xdd3/M6T5PLktnglrWowefDj5XqQghRh e7tDOMDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m96Dp-004Huv-P4; Thu, 29 Jul 2021 13:37:15 +0000 Received: from mail-qv1-xf4a.google.com ([2607:f8b0:4864:20::f4a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m965o-004Ej9-Fn for linux-arm-kernel@lists.infradead.org; Thu, 29 Jul 2021 13:28:57 +0000 Received: by mail-qv1-xf4a.google.com with SMTP id t4-20020a05621421a4b02902e2f9404330so3110894qvc.9 for ; Thu, 29 Jul 2021 06:28:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=RPFJCEtaWTMugcF+NjceDUD4B85Vp1oeldRispcGqoY=; b=bCde7WqPKlxY/xHp5JNTJjJWBNhOJVIwYFfYXuBL6y9hVFcJKQjvu1Mgb3V+PuXsnX mqBCCgRgi/wqWG8KCgA+CMGVirqrgoaOVCFuzncfBsxc8XcDVkSloOQL2ifClKz0If3Y 1wGjcqXn9IBvEFZrjB/A6wvBdmg9otbA4SPJIe1YnoJj2Zoifvf6c0fZu36QDT+x1w2U MwG1JN/XJryBjI4GbZ9IGY2pInQUGfILqs/7RNeTqPYGYAb8DyV5wZCuO40ax1atjGrB w8RvMOQRQqGwRk0P2fFmfVIf+LG2HiF0+IJYdhgVjWw3xx+9XsPAm+vszSyUj/0eUuYl Xufw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=RPFJCEtaWTMugcF+NjceDUD4B85Vp1oeldRispcGqoY=; b=jluUHi7MIEUEEsnWvTKKbDB0lPqzucyYnbMl+/UTylPa85pSxlZMkB6TKbo+RGj7WX iRj/YJ5CfVU0LMaVZw0fD9kBA2tQJ1RgthAwdZbs8cirAJimKCpkSIfVi8hLsnHqEgCq wyTc2Yx6obUmmuLwbUbJEuORpbBXuMTVm26BBTNAlEseGyhNC55rVI0e8NDg9Ji1lyIM yzsPSCj2B2ZMn4JZtjPVgjfmCWxq5Fyu2+zwJHeXyjEP+z/yVWVGxhU2EcCoXkr0eDs9 jNWDhTXSC7MMi238UIMVXSb5HnR7W7tyi+ttURpY1NfFKNeCXiMtiRW5LYXIukeQ5mwX 0sow== X-Gm-Message-State: AOAM5308zI7sqXuL9NZR+bdg8pie1e2F6e99dtxwEVhQAiUmjVMzSxdS SUoSbfc3U/jPAwk71XP6uRN/V6HokSex X-Google-Smtp-Source: ABdhPJxO1maZxYuMOOkc4lCtsFIycuYzMEuf8no7IwacnRivc5nMk/nvcqWV/4Hs90Z3Rs5fFhvpcPIxnoD0 X-Received: from luke.lon.corp.google.com ([2a00:79e0:d:210:293a:bc89:7514:5218]) (user=qperret job=sendgmr) by 2002:ad4:4a8c:: with SMTP id h12mr5181240qvx.62.1627565334836; Thu, 29 Jul 2021 06:28:54 -0700 (PDT) Date: Thu, 29 Jul 2021 14:28:11 +0100 In-Reply-To: <20210729132818.4091769-1-qperret@google.com> Message-Id: <20210729132818.4091769-15-qperret@google.com> Mime-Version: 1.0 References: <20210729132818.4091769-1-qperret@google.com> X-Mailer: git-send-email 2.32.0.432.gabb21c7263-goog Subject: [PATCH v3 14/21] KVM: arm64: Expose pkvm_hyp_id From: Quentin Perret To: maz@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, will@kernel.org Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, ardb@kernel.org, qwandor@google.com, tabba@google.com, dbrazdil@google.com, kernel-team@android.com, Quentin Perret X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210729_062856_584632_D3A1AE28 X-CRM114-Status: GOOD ( 11.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Allow references to the hypervisor's owner id from outside mem_protect.c. Signed-off-by: Quentin Perret --- arch/arm64/kvm/hyp/include/nvhe/mem_protect.h | 2 ++ arch/arm64/kvm/hyp/nvhe/mem_protect.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h index 47c2a0c51612..cc86598654b9 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h +++ b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h @@ -46,6 +46,8 @@ struct host_kvm { }; extern struct host_kvm host_kvm; +extern const u8 pkvm_hyp_id; + int __pkvm_prot_finalize(void); int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end); diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index a7f6134789e0..bb18940c3d12 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -31,7 +31,7 @@ static struct hyp_pool host_s2_pool; u64 id_aa64mmfr0_el1_sys_val; u64 id_aa64mmfr1_el1_sys_val; -static const u8 pkvm_hyp_id = 1; +const u8 pkvm_hyp_id = 1; static void *host_s2_zalloc_pages_exact(size_t size) { -- 2.32.0.432.gabb21c7263-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel