From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6036F1DE4E1; Mon, 27 Oct 2025 10:04:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761559446; cv=none; b=M9X9t4dWyFOen0NuHXh6zxfTuU+2fVLysOC/kbZy2mXvc9Uvj/RvHw/SIskwmIl4I8FWDnnwd16sGcCCuYWau28jkBav1qfbI+5lhbZcriAYJ+tg9RK6WmN55mhx/1fKXqj//rooEIYvxaAkMKLSz76DcX1LXko6WgI9YQYEwdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761559446; c=relaxed/simple; bh=FEYyRZalr4maxs1O5gjP6c07nUsJ1QW2+RR+Es6ITdE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=WgNKHgX+mDrAve91Tkfu3GrA2shf9+Ui86IpGT9RpbWBLmmREfeLKL+TXbM5P5KxkmCMPX0dir2kWepVqZxmPKqoD0jEqv/1N7tY+5HpwGo7kBmxjeqp2xoF6YgAvlw4YWJ6fCr1TGC9p5bXoL9UOsUTLIkw7fBHvSC3KnTCr/E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YvypO9YL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YvypO9YL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9696C4CEF1; Mon, 27 Oct 2025 10:04:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761559445; bh=FEYyRZalr4maxs1O5gjP6c07nUsJ1QW2+RR+Es6ITdE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=YvypO9YLTOGII68Cfo8hyfMsCsNmD3b7glgVKpGE1svHuDNRdoqjFVCHjWGeuCXHH lhWBYD2vO40TC5nn7oZPZlvgndboLeSgjAHLJp9+UofQJak0gGLY69VihVYNCMo5ph MONSZFN+iMHKfV8W71hDnZ9HG+JjK6Zlr/yj6pE8qlNULcDZQ6poJ5kOKDsgv61R9L RidTwdw5w1bA/fiAC4BnXa97Gog/ZGwVQL4vZFN+ZkUEwaznotUzk8bpPYGWFqZJJz RvxmQqFHyFPATiX9MGf/U/Z2juImn2cEVAwuHkjZgH/EX88j42wGDvUC2gfVjM4VU4 OTV58vHHiul8Q== X-Mailer: emacs 30.2 (via feedmail 11-beta-1 I) From: Aneesh Kumar K.V To: linux-coco@lists.linux.dev, kvmarm@lists.linux.dev Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, dan.j.williams@intel.com, aik@amd.com, lukas@wunner.de, Samuel Ortiz , Xu Yilun , Jason Gunthorpe , Suzuki K Poulose , Steven Price , Bjorn Helgaas , Jonathan Cameron , Catalin Marinas , Marc Zyngier , Will Deacon , Oliver Upton Subject: Re: [PATCH 01/12] KVM: arm64: RMI: Export kvm_has_da_feature In-Reply-To: <20251027094916.1153143-1-aneesh.kumar@kernel.org> References: <20251027094916.1153143-1-aneesh.kumar@kernel.org> Date: Mon, 27 Oct 2025 15:33:57 +0530 Message-ID: Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Kindly ignore this series. The correct one can be found https://lore.kernel.org/all/20251027095602.1154418-1-aneesh.kumar@kernel.org -aneesh "Aneesh Kumar K.V (Arm)" writes: > This will be used in later patches > > Signed-off-by: Aneesh Kumar K.V (Arm) > --- > arch/arm64/include/asm/kvm_rmi.h | 1 + > arch/arm64/include/asm/rmi_smc.h | 1 + > arch/arm64/kvm/rmi.c | 6 ++++++ > 3 files changed, 8 insertions(+) > > diff --git a/arch/arm64/include/asm/kvm_rmi.h b/arch/arm64/include/asm/kvm_rmi.h > index 1b2cdaac6c50..a967061af6ed 100644 > --- a/arch/arm64/include/asm/kvm_rmi.h > +++ b/arch/arm64/include/asm/kvm_rmi.h > @@ -90,6 +90,7 @@ u32 kvm_realm_ipa_limit(void); > u32 kvm_realm_vgic_nr_lr(void); > u8 kvm_realm_max_pmu_counters(void); > unsigned int kvm_realm_sve_max_vl(void); > +bool kvm_has_da_feature(void); > > u64 kvm_realm_reset_id_aa64dfr0_el1(const struct kvm_vcpu *vcpu, u64 val); > > diff --git a/arch/arm64/include/asm/rmi_smc.h b/arch/arm64/include/asm/rmi_smc.h > index 1000368f1bca..2ea657a87402 100644 > --- a/arch/arm64/include/asm/rmi_smc.h > +++ b/arch/arm64/include/asm/rmi_smc.h > @@ -87,6 +87,7 @@ enum rmi_ripas { > #define RMI_FEATURE_REGISTER_0_GICV3_NUM_LRS GENMASK(37, 34) > #define RMI_FEATURE_REGISTER_0_MAX_RECS_ORDER GENMASK(41, 38) > #define RMI_FEATURE_REGISTER_0_Reserved GENMASK(63, 42) > +#define RMI_FEATURE_REGISTER_0_DA BIT(42) > > #define RMI_REALM_PARAM_FLAG_LPA2 BIT(0) > #define RMI_REALM_PARAM_FLAG_SVE BIT(1) > diff --git a/arch/arm64/kvm/rmi.c b/arch/arm64/kvm/rmi.c > index 478a73e0b35a..08f3d2362dfd 100644 > --- a/arch/arm64/kvm/rmi.c > +++ b/arch/arm64/kvm/rmi.c > @@ -1738,6 +1738,12 @@ int kvm_init_realm_vm(struct kvm *kvm) > return 0; > } > > +bool kvm_has_da_feature(void) > +{ > + return rmi_has_feature(RMI_FEATURE_REGISTER_0_DA); > +} > +EXPORT_SYMBOL_GPL(kvm_has_da_feature); > + > void kvm_init_rmi(void) > { > /* Only 4k page size on the host is supported */ > -- > 2.43.0