From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760562AbYCaOtq (ORCPT ); Mon, 31 Mar 2008 10:49:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753497AbYCaOh4 (ORCPT ); Mon, 31 Mar 2008 10:37:56 -0400 Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:51318 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751992AbYCaOhh (ORCPT ); Mon, 31 Mar 2008 10:37:37 -0400 From: Avi Kivity To: kvm-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org Subject: [PATCH 37/40] KVM: Add API to retrieve the number of supported vcpus per vm Date: Mon, 31 Mar 2008 17:37:21 +0300 Message-Id: <1206974244-9716-38-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.4.5 In-Reply-To: <1206974244-9716-1-git-send-email-avi@qumranet.com> References: <1206974244-9716-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 3 +++ include/linux/kvm.h | 1 + 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 256c0fc..955d2ee 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -811,6 +811,9 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_VAPIC: r = !kvm_x86_ops->cpu_has_accelerated_tpr(); break; + case KVM_CAP_NR_VCPUS: + r = KVM_MAX_VCPUS; + break; default: r = 0; break; diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 94540b3..deb9c38 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -234,6 +234,7 @@ struct kvm_vapic_addr { #define KVM_CAP_VAPIC 6 #define KVM_CAP_EXT_CPUID 7 #define KVM_CAP_CLOCKSOURCE 8 +#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */ /* * ioctls for VM fds -- 1.5.4.5