From patchwork Thu Sep 20 20:03:18 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Don Slutz X-Patchwork-Id: 185472 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 27C342C0091 for ; Fri, 21 Sep 2012 06:04:19 +1000 (EST) Received: from localhost ([::1]:37107 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEmyu-0000dR-NX for incoming@patchwork.ozlabs.org; Thu, 20 Sep 2012 16:04:16 -0400 Received: from eggs.gnu.org ([208.118.235.92]:51600) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEmyb-0000a2-1c for qemu-devel@nongnu.org; Thu, 20 Sep 2012 16:03:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TEmyZ-0001UT-Jd for qemu-devel@nongnu.org; Thu, 20 Sep 2012 16:03:56 -0400 Received: from hub021-nj-8.exch021.serverdata.net ([206.225.164.233]:37079) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEmyZ-0001UM-Gd for qemu-devel@nongnu.org; Thu, 20 Sep 2012 16:03:55 -0400 Received: from localhost.localdomain (131.239.15.22) by east.exch021.serverdata.net (10.240.4.118) with Microsoft SMTP Server (TLS) id 14.2.309.2; Thu, 20 Sep 2012 13:03:55 -0700 From: Don Slutz To: , , , , , , , , Date: Thu, 20 Sep 2012 16:03:18 -0400 Message-ID: <1348171412-23669-4-git-send-email-Don@CloudSwitch.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1348171412-23669-1-git-send-email-Don@CloudSwitch.com> References: <1348171412-23669-1-git-send-email-Don@CloudSwitch.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows XP/2000 (RFC1323+, w+, tstamp-) X-Received-From: 206.225.164.233 Cc: Don Slutz Subject: [Qemu-devel] [PATCH v4 03/17] target-i386: Add Hypervisor level. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Also known as Paravirtualization level or maximim cpuid function present in this leaf. This is just the EAX value for 0x40000000. QEMU knows this is KVM_CPUID_SIGNATURE (0x40000000). This is based on: Microsoft Hypervisor CPUID Leaves: http://msdn.microsoft.com/en-us/library/windows/hardware/ff542428%28v=vs.85%29.aspx Linux kernel change starts with: http://fixunix.com/kernel/538707-use-cpuid-communicate-hypervisor.html Also: http://lkml.indiana.edu/hypermail/linux/kernel/1205.0/00100.html VMware documention on CPUIDs (Mechanisms to determine if software is running in a VMware virtual machine): http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 QEMU has the value HYPERV_CPUID_MIN defined. Signed-off-by: Don Slutz --- target-i386/cpu.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/target-i386/cpu.h b/target-i386/cpu.h index 5265c5a..05c0848 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -782,6 +782,8 @@ typedef struct CPUX86State { uint32_t cpuid_ext4_features; /* Flags from CPUID[EAX=7,ECX=0].EBX */ uint32_t cpuid_7_0_ebx; + /* Hypervisor CPUIDs */ + uint32_t cpuid_hv_level; /* MTRRs */ uint64_t mtrr_fixed[11];