Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753277AbaLCQJN (ORCPT ); Wed, 3 Dec 2014 11:09:13 -0500 Received: from mail-wi0-f172.google.com ([209.85.212.172]:34652 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752191AbaLCQJI (ORCPT ); Wed, 3 Dec 2014 11:09:08 -0500 From: Eric Auger 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, alex.williamson@redhat.com, agraf@suse.de, joel.schopp@amd.com, gleb@kernel.org, pbonzini@redhat.com, borntraeger@de.ibm.com, cornelia.huck@de.ibm.com Cc: linux-kernel@vger.kernel.org, patches@linaro.org, a.motakis@virtualopensystems.com Subject: [PATCH v5 3/5] KVM: arm/arm64: implement kvm_arch_is_virtual_intc_initialized Date: Wed, 3 Dec 2014 17:07:10 +0100 Message-Id: <1417622832-5460-4-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417622832-5460-1-git-send-email-eric.auger@linaro.org> References: <1417622832-5460-1-git-send-email-eric.auger@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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_VIRTUAL_INTC_INITIALIZED and implements kvm_arch_is_virtual_intc_initialized Signed-off-by: Eric Auger --- arch/arm/include/asm/kvm_host.h | 6 ++++++ arch/arm/kvm/arm.c | 5 +++++ arch/arm64/include/asm/kvm_host.h | 5 +++++ 3 files changed, 16 insertions(+) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 53036e2..fe2c89b 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_VIRTUAL_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else @@ -242,4 +244,8 @@ static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} +/* returns true if the vgic dynamic initialization is done*/ +bool kvm_arch_is_virtual_intc_initialized(struct kvm *kvm); + + #endif /* __ARM_KVM_HOST_H__ */ diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 9e193c8..5309e4b 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -439,6 +439,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) return 0; } +bool kvm_arch_is_virtual_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 2012c4b..5badd30 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_VIRTUAL_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else @@ -254,4 +256,7 @@ static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} +/* returns true if the vgic dynamic initialization is done*/ +bool kvm_arch_is_virtual_intc_initialized(struct kvm *kvm); + #endif /* __ARM64_KVM_HOST_H__ */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/