From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69C93C43334 for ; Fri, 8 Jul 2022 14:42:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238369AbiGHOmp (ORCPT ); Fri, 8 Jul 2022 10:42:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238351AbiGHOmk (ORCPT ); Fri, 8 Jul 2022 10:42:40 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7808B57228 for ; Fri, 8 Jul 2022 07:42:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657291358; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UJUyBkfHvzfmCZgOdkdUPNe293+BRZq/wSB98Sw5ER0=; b=Y7Fz2d87pYk8zAKLF0xLQ+jB/flg8dQJ+PkO2OfXabrl4G0lOA/Kg/uxv6mFBbFCTVVpap xs3VbnMaxtj/M5BBmODtSj3MD0CBnRnqmvA71kzYzqxtqP5aZH/bkliXr592OVJcIUQLtd obHyuoqC19LGl/NoLu5b+Xd8ebaGYTU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-587-LYgRftKJMuG7gTGw372wiw-1; Fri, 08 Jul 2022 10:42:35 -0400 X-MC-Unique: LYgRftKJMuG7gTGw372wiw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E479329AA3B1; Fri, 8 Jul 2022 14:42:34 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.193.250]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2AAFE492C3B; Fri, 8 Jul 2022 14:42:33 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini , Sean Christopherson Cc: Anirudh Rayabharam , Wanpeng Li , Jim Mattson , Maxim Levitsky , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 03/25] x86/hyperv: Update 'struct hv_enlightened_vmcs' definition Date: Fri, 8 Jul 2022 16:42:01 +0200 Message-Id: <20220708144223.610080-4-vkuznets@redhat.com> In-Reply-To: <20220708144223.610080-1-vkuznets@redhat.com> References: <20220708144223.610080-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Updated Hyper-V Enlightened VMCS specification lists several new fields for the following features: - PerfGlobalCtrl - EnclsExitingBitmap - Tsc Scaling - GuestLbrCtl - CET - SSP Update the definition. The updated definition is available only when CPUID.0x4000000A.EBX BIT(0) is '1'. Add a define for it as well. Note: The latest TLFS is available at https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/tlfs/tlfs Signed-off-by: Vitaly Kuznetsov --- arch/x86/include/asm/hyperv-tlfs.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h index 6f0acc45e67a..6f2c3cdacdf4 100644 --- a/arch/x86/include/asm/hyperv-tlfs.h +++ b/arch/x86/include/asm/hyperv-tlfs.h @@ -138,6 +138,9 @@ #define HV_X64_NESTED_GUEST_MAPPING_FLUSH BIT(18) #define HV_X64_NESTED_MSR_BITMAP BIT(19) +/* Nested quirks. These are HYPERV_CPUID_NESTED_FEATURES.EBX bits. */ +#define HV_X64_NESTED_EVMCS1_2022_UPDATE BIT(0) + /* * This is specific to AMD and specifies that enlightened TLB flush is * supported. If guest opts in to this feature, ASID invalidations only @@ -559,9 +562,20 @@ struct hv_enlightened_vmcs { u64 partition_assist_page; u64 padding64_4[4]; u64 guest_bndcfgs; - u64 padding64_5[7]; + u64 guest_ia32_perf_global_ctrl; + u64 guest_ia32_s_cet; + u64 guest_ssp; + u64 guest_ia32_int_ssp_table_addr; + u64 guest_ia32_lbr_ctl; + u64 padding64_5[2]; u64 xss_exit_bitmap; - u64 padding64_6[7]; + u64 host_ia32_perf_global_ctrl; + u64 encls_exiting_bitmap; + u64 tsc_multiplier; + u64 host_ia32_s_cet; + u64 host_ssp; + u64 host_ia32_int_ssp_table_addr; + u64 padding64_6; } __packed; #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE 0 -- 2.35.3