From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753759AbbJHAMR (ORCPT ); Wed, 7 Oct 2015 20:12:17 -0400 Received: from e28smtp01.in.ibm.com ([122.248.162.1]:54650 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753055AbbJHAMN (ORCPT ); Wed, 7 Oct 2015 20:12:13 -0400 X-Helo: d28dlp03.in.ibm.com X-MailFrom: honclo@linux.vnet.ibm.com X-RcptTo: linux-kernel@vger.kernel.org From: "Hon Ching(Vicky) Lo" To: tpmdd-devel@lists.sourceforge.net Cc: Peter Huewe , Ashley Lai , Mimi Zohar , Vicky Lo , linux-kernel@vger.kernel.org, "Hon Ching(Vicky) Lo" Subject: [PATCH v2 2/3] vTPM: reformat event log to be byte-aligned Date: Wed, 7 Oct 2015 20:11:53 -0400 Message-Id: <1444263114-15081-3-git-send-email-honclo@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1444263114-15081-1-git-send-email-honclo@linux.vnet.ibm.com> References: <1444263114-15081-1-git-send-email-honclo@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15100800-4790-0000-0000-00000AC7D6C9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The event log generated by OpenFirmware in PowerPC is 4-byte aligned. This patch reformats the log to be byte-aligned for the Linux client. Signed-off-by: Hon Ching(Vicky) Lo --- arch/powerpc/kernel/prom_init.c | 13 ++++++++++++- 1 files changed, 12 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b9b6bb1..8a5c248 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1417,8 +1417,9 @@ static void __init prom_instantiate_sml(void) { phandle ibmvtpm_node; ihandle ibmvtpm_inst; - u32 entry = 0, size = 0; + u32 entry = 0, size = 0, succ = 0; u64 base; + __be32 val; prom_debug("prom_instantiate_sml: start...\n"); @@ -1433,6 +1434,16 @@ static void __init prom_instantiate_sml(void) return; } + if (prom_getprop(ibmvtpm_node, "ibm,sml-efi-reformat-supported", + &val, sizeof(val)) != PROM_ERROR) { + if (call_prom_ret("call-method", 2, 2, &succ, + ADDR("reformat-sml-to-efi-alignment"), + ibmvtpm_inst) != 0 || succ == 0) { + prom_printf("Reformat SML to EFI alignment failed\n"); + return; + } + } + if (call_prom_ret("call-method", 2, 2, &size, ADDR("sml-get-handover-size"), ibmvtpm_inst) != 0 || size == 0) { -- 1.7.1