From patchwork Fri May 20 08:20:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 9128903 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C97446048B for ; Fri, 20 May 2016 08:30:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB3A025D91 for ; Fri, 20 May 2016 08:30:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AFED127B33; Fri, 20 May 2016 08:30:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5C7E925D91 for ; Fri, 20 May 2016 08:30:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932962AbcETIax (ORCPT ); Fri, 20 May 2016 04:30:53 -0400 Received: from mga02.intel.com ([134.134.136.20]:14778 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933205AbcETIar (ORCPT ); Fri, 20 May 2016 04:30:47 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 20 May 2016 01:30:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,338,1459839600"; d="scan'208";a="985173312" Received: from xiaoreal1.sh.intel.com (HELO xiaoreal1.sh.intel.com.sh.intel.com) ([10.239.48.79]) by fmsmga002.fm.intel.com with ESMTP; 20 May 2016 01:30:45 -0700 From: Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong Subject: [PATCH v2 11/15] nvdimm acpi: check revision Date: Fri, 20 May 2016 16:20:08 +0800 Message-Id: <1463732412-99212-12-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1463732412-99212-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1463732412-99212-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Cuurently only revision 1 is supported Signed-off-by: Xiao Guangrong --- hw/acpi/nvdimm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 897d0a6..7af428f 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -483,6 +483,13 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) nvdimm_debug("Revision %#x Handler %#x Function %#x.\n", in->revision, in->handle, in->function); + if (in->revision != 0x1 /* Currently we only support DSM Spec Rev1. */) { + nvdimm_debug("Revision %#x is not supported, expect %#x.\n", + in->revision, 0x1); + nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr); + goto exit; + } + /* Handle 0 is reserved for NVDIMM Root Device. */ if (!in->handle) { nvdimm_dsm_root(in, dsm_mem_addr);