From patchwork Thu Aug 21 13:06:43 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 4757671 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6D82A9F2E9 for ; Thu, 21 Aug 2014 13:10:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 62CE020172 for ; Thu, 21 Aug 2014 13:10:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 395332012F for ; Thu, 21 Aug 2014 13:10:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XKS6Z-0005wX-M8; Thu, 21 Aug 2014 13:08:39 +0000 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XKS5O-0004zX-7l for linux-arm-kernel@lists.infradead.org; Thu, 21 Aug 2014 13:07:30 +0000 Received: from e106785-lin.cambridge.arm.com (e106785-lin.cambridge.arm.com [10.1.209.161]) by cam-admin0.cambridge.arm.com (8.12.6/8.12.6) with ESMTP id s7LD6uwq029486; Thu, 21 Aug 2014 14:06:57 +0100 (BST) From: Andre Przywara To: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Subject: [PATCH v2 02/15] arm/arm64: KVM: pass down user space provided GIC type into vGIC code Date: Thu, 21 Aug 2014 14:06:43 +0100 Message-Id: <1408626416-11326-3-git-send-email-andre.przywara@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1408626416-11326-1-git-send-email-andre.przywara@arm.com> References: <1408626416-11326-1-git-send-email-andre.przywara@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140821_060726_747141_86580925 X-CRM114-Status: GOOD ( 12.96 ) X-Spam-Score: -5.7 (-----) Cc: marc.zyngier@arm.com, christoffer.dall@linaro.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP With the introduction of a second emulated GIC model we need to let userspace specify the GIC model to use for each VM. Pass the userspace provided value down into the vGIC code to differentiate later. Signed-off-by: Andre Przywara Acked-by: Christoffer Dall --- arch/arm/kvm/arm.c | 2 +- include/kvm/arm_vgic.h | 4 ++-- virt/kvm/arm/vgic.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index addb990..157e1b6 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -767,7 +767,7 @@ long kvm_arch_vm_ioctl(struct file *filp, switch (ioctl) { case KVM_CREATE_IRQCHIP: { if (vgic_present) - return kvm_vgic_create(kvm); + return kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2); else return -ENXIO; } diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index f5788cf..4feac9a 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -231,7 +231,7 @@ struct kvm_exit_mmio; int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); -int kvm_vgic_create(struct kvm *kvm); +int kvm_vgic_create(struct kvm *kvm, u32 type); void kvm_vgic_destroy(struct kvm *kvm); void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu); void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu); @@ -282,7 +282,7 @@ static inline int kvm_vgic_init(struct kvm *kvm) return 0; } -static inline int kvm_vgic_create(struct kvm *kvm) +static inline int kvm_vgic_create(struct kvm *kvm, u32 type) { return 0; } diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index b3e5ee2..bba8692 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1864,7 +1864,7 @@ out: return ret; } -int kvm_vgic_create(struct kvm *kvm) +int kvm_vgic_create(struct kvm *kvm, u32 type) { int i, vcpu_lock_idx = -1, ret = 0; struct kvm_vcpu *vcpu; @@ -2320,7 +2320,7 @@ static void vgic_destroy(struct kvm_device *dev) static int vgic_create(struct kvm_device *dev, u32 type) { - return kvm_vgic_create(dev->kvm); + return kvm_vgic_create(dev->kvm, type); } struct kvm_device_ops kvm_arm_vgic_v2_ops = {