From patchwork Thu Jun 19 09:45:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 4381891 Return-Path: X-Original-To: patchwork-kvm@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 90F889F1C4 for ; Thu, 19 Jun 2014 09:46:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 02909202EB for ; Thu, 19 Jun 2014 09:46:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 196EC201DD for ; Thu, 19 Jun 2014 09:46:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932272AbaFSJqX (ORCPT ); Thu, 19 Jun 2014 05:46:23 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:60759 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757854AbaFSJqW (ORCPT ); Thu, 19 Jun 2014 05:46:22 -0400 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 s5J9jqwq010894; Thu, 19 Jun 2014 10:45:53 +0100 (BST) From: Andre Przywara To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: marc.zyngier@arm.com, christoffer.dall@linaro.org Subject: [PATCH 02/14] arm/arm64: KVM: pass down user space provided GIC type into vGIC code Date: Thu, 19 Jun 2014 10:45:40 +0100 Message-Id: <1403171152-24067-3-git-send-email-andre.przywara@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1403171152-24067-1-git-send-email-andre.przywara@arm.com> References: <1403171152-24067-1-git-send-email-andre.przywara@arm.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 --- 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 9ffe962..fa37fa1 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -804,7 +804,7 @@ 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 68ac9c6..8f1daf2 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1832,7 +1832,7 @@ 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; @@ -2284,7 +2284,7 @@ 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 = {