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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38739C433E0 for ; Fri, 7 Aug 2020 08:40:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 152C122CAF for ; Fri, 7 Aug 2020 08:40:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="MZaFLJp5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728158AbgHGIkD (ORCPT ); Fri, 7 Aug 2020 04:40:03 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29699 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727957AbgHGIkB (ORCPT ); Fri, 7 Aug 2020 04:40:01 -0400 X-Greylist: delayed 70713 seconds by postgrey-1.27 at vger.kernel.org; Fri, 07 Aug 2020 04:40:00 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1596789599; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zLsimUENgNb67dJ1BSePNKQb18HkvtcGc8WNRYHR/BI=; b=MZaFLJp5IywEqjHjEv1uKJtAvfPy6e8gIKR7ghEqCZH0kfIidPCvMR9cXR/OELNYPQ03AD PDvbeaOVzWj3VvhBBLmUk/YSmIWqh8SlaMFKK6WRbeppxE2SzDfm5L3thHpMB5e0ApetDg 2/8bk0rRLJI6ORXLCt/KqvAFo2uOWbE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-431-T2YarCzVPo-0UtI9C0swcg-1; Fri, 07 Aug 2020 04:39:56 -0400 X-MC-Unique: T2YarCzVPo-0UtI9C0swcg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9FE6C80046C; Fri, 7 Aug 2020 08:39:54 +0000 (UTC) Received: from vitty.brq.redhat.com (unknown [10.40.195.139]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4C6F75C1D2; Fri, 7 Aug 2020 08:39:52 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Eduardo Habkost , Jon Doron , linux-kernel@vger.kernel.org Subject: [PATCH 1/7] KVM: x86: hyper-v: Mention SynDBG CPUID leaves in api.rst Date: Fri, 7 Aug 2020 10:39:40 +0200 Message-Id: <20200807083946.377654-2-vkuznets@redhat.com> In-Reply-To: <20200807083946.377654-1-vkuznets@redhat.com> References: <20200807083946.377654-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We forgot to update KVM_GET_SUPPORTED_HV_CPUID's documentation in api.rst when SynDBG leaves were added. While on it, fix 'KVM_GET_SUPPORTED_CPUID' copy-paste error. Fixes: f97f5a56f597 ("x86/kvm/hyper-v: Add support for synthetic debugger interface") Signed-off-by: Vitaly Kuznetsov --- Documentation/virt/kvm/api.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 644e5326aa50..c0ccad0def5a 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -4494,11 +4494,14 @@ Currently, the following list of CPUID leaves are returned: - HYPERV_CPUID_ENLIGHTMENT_INFO - HYPERV_CPUID_IMPLEMENT_LIMITS - HYPERV_CPUID_NESTED_FEATURES + - HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS + - HYPERV_CPUID_SYNDBG_INTERFACE + - HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES HYPERV_CPUID_NESTED_FEATURES leaf is only exposed when Enlightened VMCS was enabled on the corresponding vCPU (KVM_CAP_HYPERV_ENLIGHTENED_VMCS). -Userspace invokes KVM_GET_SUPPORTED_CPUID by passing a kvm_cpuid2 structure +Userspace invokes KVM_GET_SUPPORTED_HV_CPUID by passing a kvm_cpuid2 structure with the 'nent' field indicating the number of entries in the variable-size array 'entries'. If the number of entries is too low to describe all Hyper-V feature leaves, an error (E2BIG) is returned. If the number is more or equal -- 2.25.4