| Message ID | 20241212155610.76522-43-steven.price@arm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show
Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 90139242EFD; Thu, 12 Dec 2024 15:59:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734019160; cv=none; b=P+m60ETfi/UWolxF22X9gtDNZNQlxsySxOuau1j5E1Gz/amvHP3UkU2cUIWGWZYFbB2oAiKiDkC+SJ3V0WT+ZodRQd/4JZFl6GjYVeD+caw3OonHSAvTPqqpFBiiySJDoTx5Q8oYkqzhe1pqcGWbHoersjZQWYjoMjEMIfuU8r4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734019160; c=relaxed/simple; bh=dkvWObTafw3QyIlhb9mcS/ryypStWAlH+FQHXYW2rrw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nMSyvcsURUS9O/9VlLZy+eX3KDEe9ID7kKKS1FBgTPU12ORxyLPzYCEAkW0+0aPQuEu6A48sFGFzA31gmSYhaUJE1ZYVDmLihkOF7pTw/Bho7kRTpNWQsapo+wP6t7/+Q3G/t2eK+xk0rSmWKSrkWcFeVQPK2LBeAizRT4tVJd8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 3A1041A25; Thu, 12 Dec 2024 07:59:47 -0800 (PST) Received: from e122027.cambridge.arm.com (e122027.cambridge.arm.com [10.1.39.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4E52E3F720; Thu, 12 Dec 2024 07:59:15 -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 v6 42/43] KVM: arm64: Expose KVM_ARM_VCPU_REC to user space Date: Thu, 12 Dec 2024 15:56:07 +0000 Message-ID: <20241212155610.76522-43-steven.price@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241212155610.76522-1-steven.price@arm.com> References: <20241212155610.76522-1-steven.price@arm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: <kvm.vger.kernel.org> List-Subscribe: <mailto:kvm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:kvm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
| 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 837e2d29609d..df3168cbe70a 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(-)