From nobody Thu Dec 18 13:59:52 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1752241204; cv=none; d=zohomail.com; s=zohoarc; b=l2qrGikAbDjxGUrVC+BhNAg80Py/sjlTFa0IWiiXM8XvXULhZ+HDo53bqyrWtTF8pbgME7LEZXkOZW7fC+yAeODpcDKbatMYx0WZljWTLptDnLiir8HdIuXJvlj78XIaVIuZb1/a8K7Gx1OZzdj+3zzssau/RDn2xv+KaiHa1FU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1752241204; h=Content-Type:Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=uTXqJiKgfiB3QVh055cqmNddLyPU05fki5TAKLA/ZXA=; b=QxDm5i9TpOkgL72ofGAjfkKOUwlXqi7EvSFF1Q/IXY5DyUyK+VI01/c4W3QeJm2T/Vjbf2YnB94jx1Q9y9uZYrmepY3qi4S/Y6h0jGVQoDAcjMjL3yoi6ck5K345GxirwbQK0HEpKTHWCiP9xWErwCLTd1QG7FhzXaoT74mOLx0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1752241204388388.2008141155327; Fri, 11 Jul 2025 06:40:04 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uaDul-0005tA-4x; Fri, 11 Jul 2025 09:35:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uaDu5-0004X8-1H for qemu-devel@nongnu.org; Fri, 11 Jul 2025 09:35:07 -0400 Received: from mail-wr1-x436.google.com ([2a00:1450:4864:20::436]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uaDu2-0003BB-N0 for qemu-devel@nongnu.org; Fri, 11 Jul 2025 09:35:04 -0400 Received: by mail-wr1-x436.google.com with SMTP id ffacd0b85a97d-3a510432236so1586098f8f.0 for ; Fri, 11 Jul 2025 06:35:02 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-454d50df0cdsm89734145e9.25.2025.07.11.06.35.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jul 2025 06:35:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1752240901; x=1752845701; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=uTXqJiKgfiB3QVh055cqmNddLyPU05fki5TAKLA/ZXA=; b=bP4punfSNMliHszV4JtUpntRws9here+yeHCGzeZVXVC9O/uggG6U+jIBg9eZqLf88 wbE6YA4CjjK/NZ6+pL9vwji6D+RbT44UVBripiGqIKv3rYThrKkoAjDaBYnhmpnXwfA+ 9uPfN/4HC8xEQpmiHpVm1UGbxkL+rbuLNB3xNvknsP0vxPC2CmFJEjbcrgudvdHellHB Mb3G0mnCzVEyutmVoWvGPcPUnDHvTlSnOwlG7pEoTF5laxI9a9q50GQJGNMkCyLHih7T NXTUnzo71g701OdAF2X/muXRcdwfQ39IinNfYqYQNrD6t9ZXWM9+TYdnkDWFjCCrS40K /5CA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752240901; x=1752845701; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uTXqJiKgfiB3QVh055cqmNddLyPU05fki5TAKLA/ZXA=; b=E9xKkRiz22ZnTbnuFzEkdyeZb2eJGT1lOSeztSbqeJAs10ZzkPexsQJ5Rhlg8aqYjM 3//u2/G4weiq8TXvrsg4CN6WaszOfhcjfu/XPeTjyyjYcMPEe3WnHRYFeggl3j2kKxe4 J0JJe0g2anCxLF7rEYg4camMv6J8djLVIDe4WFRdgDuKMEXTRrVJbHhqfLjA/Icon4fb QKilj936lr2XnDRSJAsH7kqaru1mV/BJ7Dvx9qyrBCFcWkp9kQ1YHxA4Vrq3DcB/PM3U x1RpjBYmiYdljUX/tao1uZ2D+P21nzBQiAN2JNflNfVPifd4TD4qpfVvqJ6No880sg3m w7MA== X-Gm-Message-State: AOJu0YzcGs7lYZ9yQZaFuhJGzyclBo8QuX0Q0RvzT/n4+1wU2oUmLISN 7NdX4HuCaSL6nIuDlhQRusBUlzydT1e96ltCCRXACf1qDERt/QEFTwOKem64b7yDaBbXQk3im/5 AwAm5 X-Gm-Gg: ASbGncuIEEiFM1zsVO0LssyI1I7bgdfgubyVxWDhdQxhnKA78598NUY9hElsKWLq1O3 CF6qBCxtJ96ie7mBAcXlvyjAaPS6nDxhmwrxU03kRhnwSo3az4B3BDMAVZ682/cLEZ0c1a6ZNlo 3zYjcI7z6DP1irZtKVqSlocY1W+ccNC/Xfw1C6Ag/5djlDdi9snL5d6dcnA2aWR5vsW2weBddPy KUy8tySx8xibKg6fSC3wwUdSmsor0HjHGZYGTqGozNpFv0ERpoOWnEQ5PB3fQ7aUzmj92+5jnYG SSJz9K7lciIBM9X24JatmvRjxVBO6JAmCwaMWfOTfj8yn+oWOGOuGTk5Edva7iMXCzlsaxqA+Gz ejLD482Nxx8jxu5f8GSEL1YQKclGa X-Google-Smtp-Source: AGHT+IE3ZGbVoWSIwDYDfxvxpuao+ZOWXY94HhVG7gXy/mK6vcCN3d5Jcac2K/D1PuW2dV/Eel99lQ== X-Received: by 2002:a05:6000:2089:b0:3a6:e1bb:a083 with SMTP id ffacd0b85a97d-3b5f2dd2e52mr2849125f8f.25.1752240900941; Fri, 11 Jul 2025 06:35:00 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 28/36] target/arm/kvm: Add helper to detect EL2 when using KVM Date: Fri, 11 Jul 2025 14:34:21 +0100 Message-ID: <20250711133429.1423030-29-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250711133429.1423030-1-peter.maydell@linaro.org> References: <20250711133429.1423030-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1752241206890116600 From: Haibo Xu Introduce query support for KVM_CAP_ARM_EL2. Signed-off-by: Haibo Xu Signed-off-by: Miguel Luis Signed-off-by: Eric Auger Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20250707164129.1167837-3-eric.auger@redhat.com Signed-off-by: Peter Maydell --- target/arm/kvm_arm.h | 7 +++++++ target/arm/kvm-stub.c | 5 +++++ target/arm/kvm.c | 5 +++++ 3 files changed, 17 insertions(+) diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index 7dc83caed5c..b4cad051551 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -191,6 +191,13 @@ bool kvm_arm_sve_supported(void); */ bool kvm_arm_mte_supported(void); =20 +/** + * kvm_arm_el2_supported: + * + * Returns true if KVM can enable EL2 and false otherwise. + */ +bool kvm_arm_el2_supported(void); + /** * kvm_arm_get_max_vm_ipa_size: * @ms: Machine state handle diff --git a/target/arm/kvm-stub.c b/target/arm/kvm-stub.c index 34e57fab011..c93462c5b9b 100644 --- a/target/arm/kvm-stub.c +++ b/target/arm/kvm-stub.c @@ -47,6 +47,11 @@ bool kvm_arm_mte_supported(void) return false; } =20 +bool kvm_arm_el2_supported(void) +{ + return false; +} + /* * These functions should never actually be called without KVM support. */ diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 8ab0d692d36..9fdf354f3bc 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -1763,6 +1763,11 @@ bool kvm_arm_aarch32_supported(void) return kvm_check_extension(kvm_state, KVM_CAP_ARM_EL1_32BIT); } =20 +bool kvm_arm_el2_supported(void) +{ + return kvm_check_extension(kvm_state, KVM_CAP_ARM_EL2); +} + bool kvm_arm_sve_supported(void) { return kvm_check_extension(kvm_state, KVM_CAP_ARM_SVE); --=20 2.43.0