From patchwork Tue Feb 11 13:52:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 11375589 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 75BBC92A for ; Tue, 11 Feb 2020 13:55:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 533512173E for ; Tue, 11 Feb 2020 13:55:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729842AbgBKNzZ (ORCPT ); Tue, 11 Feb 2020 08:55:25 -0500 Received: from 8bytes.org ([81.169.241.247]:52390 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729577AbgBKNx1 (ORCPT ); Tue, 11 Feb 2020 08:53:27 -0500 Received: by theia.8bytes.org (Postfix, from userid 1000) id 75519E91; Tue, 11 Feb 2020 14:53:15 +0100 (CET) From: Joerg Roedel To: x86@kernel.org Cc: hpa@zytor.com, Andy Lutomirski , Dave Hansen , Peter Zijlstra , Thomas Hellstrom , Jiri Slaby , Dan Williams , Tom Lendacky , Juergen Gross , Kees Cook , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, Joerg Roedel , Joerg Roedel Subject: [PATCH 46/62] x86/sev-es: Handle INVD Events Date: Tue, 11 Feb 2020 14:52:40 +0100 Message-Id: <20200211135256.24617-47-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200211135256.24617-1-joro@8bytes.org> References: <20200211135256.24617-1-joro@8bytes.org> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Tom Lendacky Implement a handler for #VC exceptions caused by INVD instructions. Signed-off-by: Tom Lendacky [ jroedel@suse.de: Adapt to #VC handling infrastructure ] Co-developed-by: Joerg Roedel Signed-off-by: Joerg Roedel --- arch/x86/kernel/sev-es.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index e96332516c2a..485f5a14c3b4 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -308,6 +308,11 @@ static enum es_result handle_rdpmc(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ES_OK; } +static enum es_result handle_invd(struct ghcb *ghcb, struct es_em_ctxt *ctxt) +{ + return ghcb_hv_call(ghcb, ctxt, SVM_EXIT_INVD, 0, 0); +} + static enum es_result handle_vc_exception(struct es_em_ctxt *ctxt, struct ghcb *ghcb, unsigned long exit_code, @@ -328,6 +333,9 @@ static enum es_result handle_vc_exception(struct es_em_ctxt *ctxt, case SVM_EXIT_RDPMC: result = handle_rdpmc(ghcb, ctxt); break; + case SVM_EXIT_INVD: + result = handle_invd(ghcb, ctxt); + break; case SVM_EXIT_CPUID: result = handle_cpuid(ghcb, ctxt); break;