| Message ID | 20250213161426.102987-44-steven.price@arm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C7D9EC021A0 for <linux-arm-kernel@archiver.kernel.org>; Thu, 13 Feb 2025 17:35:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LjJAc4ijS8xqCguJ2j5TcC3TUwo1BgWvM/2KPrmmMTs=; b=LHyh9IBOf0ssVKM9gJBn6AHBYF SCAu3Fz8qHEvp/dw+DN3yQ/0EXU2/U+MnN+63ZgSrXa1rJQnil2SpUvrPcpMVEd8liUnpOEfSDb8q t2rlQ/sNi1vbRgXgNIYHk2zZ5w2pm1xV5YG8VRSPcD0Ni+ZQjNFLuzoYnlaFbQj6ooNQOTLDQP5X+ O/fqgyGeKiC5+nLVIc7QqRwmMnZXWJPH663r43dS15/af0uhUU9gKZisxIDaYUss292cefobCR9VB RyVrCTrzrRjW4SZ8lh9iPEtjIwmFWEHILZnFVLpazK+ws4/vrm7j9dR2y8FvyhiMRYRB7sWXoULBX HiSZuF7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tid7j-0000000C22n-40sv; Thu, 13 Feb 2025 17:35:39 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tibuc-0000000BjIX-3Dg8 for linux-arm-kernel@lists.infradead.org; Thu, 13 Feb 2025 16:18:04 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1AAEF26BA; Thu, 13 Feb 2025 08:18:23 -0800 (PST) Received: from e122027.cambridge.arm.com (e122027.cambridge.arm.com [10.1.32.44]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 612293F6A8; Thu, 13 Feb 2025 08:17:58 -0800 (PST) From: Steven Price <steven.price@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Steven Price <steven.price@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>, James Morse <james.morse@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Suzuki K Poulose <suzuki.poulose@arm.com>, Zenghui Yu <yuzenghui@huawei.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly <joey.gouly@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Christoffer Dall <christoffer.dall@arm.com>, Fuad Tabba <tabba@google.com>, linux-coco@lists.linux.dev, Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>, Gavin Shan <gshan@redhat.com>, Shanker Donthineni <sdonthineni@nvidia.com>, Alper Gun <alpergun@google.com>, "Aneesh Kumar K . V" <aneesh.kumar@kernel.org> Subject: [PATCH v7 43/45] KVM: arm64: Expose KVM_ARM_VCPU_REC to user space Date: Thu, 13 Feb 2025 16:14:23 +0000 Message-ID: <20250213161426.102987-44-steven.price@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250213161426.102987-1-steven.price@arm.com> References: <20250213161426.102987-1-steven.price@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250213_081802_843762_31309425 X-CRM114-Status: UNSURE ( 9.44 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
| Series |
arm64: Support for Arm CCA in KVM
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expand
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diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index df9497998ed5..4aedfbfa1d6e 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -40,7 +40,7 @@ #define KVM_MAX_VCPUS VGIC_V3_MAX_CPUS -#define KVM_VCPU_MAX_FEATURES 7 +#define KVM_VCPU_MAX_FEATURES 9 #define KVM_VCPU_VALID_FEATURES (BIT(KVM_VCPU_MAX_FEATURES) - 1) #define KVM_REQ_SLEEP \
Increment KVM_VCPU_MAX_FEATURES to expose the new capability to user space. *NOTE*: This also exposes KVM_ARM_VCPU_HAS_EL2 (as it is one less than KVM_ARM_VCPU_REC) - so this currently depends on nested virt being 'finished' before merging. See below for discussion: https://lore.kernel.org/r/a7011738-a084-46fa-947f-395d90b37f8b%40arm.com Signed-off-by: Steven Price <steven.price@arm.com> --- arch/arm64/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)