From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Auger Subject: [PATCH v9 3/5] KVM: arm/arm64: implement kvm_arch_intc_initialized Date: Wed, 4 Mar 2015 11:14:34 +0100 Message-ID: <1425464076-20558-4-git-send-email-eric.auger@linaro.org> References: <1425464076-20558-1-git-send-email-eric.auger@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 26F2847948 for ; Wed, 4 Mar 2015 05:11:22 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cfMNrSWau2A3 for ; Wed, 4 Mar 2015 05:11:21 -0500 (EST) Received: from mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 3938547958 for ; Wed, 4 Mar 2015 05:11:20 -0500 (EST) Received: by wiwh11 with SMTP id h11so29219731wiw.1 for ; Wed, 04 Mar 2015 02:17:22 -0800 (PST) In-Reply-To: <1425464076-20558-1-git-send-email-eric.auger@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: eric.auger@st.com, eric.auger@linaro.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: gleb@kernel.org, andre.przywara@arm.com, pbonzini@redhat.com, linux-kernel@vger.kernel.org, patches@linaro.org List-Id: kvmarm@lists.cs.columbia.edu On arm/arm64 the VGIC is dynamically instantiated and it is useful to expose its state, especially for irqfd setup. This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and implements kvm_arch_intc_initialized. Signed-off-by: Eric Auger Acked-by: Christoffer Dall Reviewed-by: Andre Przywara --- v7 -> v8: - add Andre's Reviewed-by v6 -> v7: - usage of the new function in irqfd is introduced in previous patch file. - Changed the title and the commit message accordingly v5 -> v6: - remove kvm_arch_intc_initialized declaration from architecture specific kvm_host.h since it is now in generic kvm_host.h - squash v5 patch files 3 & 4 --- arch/arm/include/asm/kvm_host.h | 2 ++ arch/arm/kvm/arm.c | 5 +++++ arch/arm64/include/asm/kvm_host.h | 2 ++ 3 files changed, 9 insertions(+) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 41008cd..902a7d1 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -27,6 +27,8 @@ #include #include +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 07e7eb1..5300d5a 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -452,6 +452,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) return 0; } +bool kvm_arch_intc_initialized(struct kvm *kvm) +{ + return vgic_initialized(kvm); +} + static void vcpu_pause(struct kvm_vcpu *vcpu) { wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu); diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 8ac3c70..967fb1c 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -28,6 +28,8 @@ #include #include +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else -- 1.9.1