From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932243Ab0I3QtI (ORCPT ); Thu, 30 Sep 2010 12:49:08 -0400 Received: from g6t0186.atlanta.hp.com ([15.193.32.63]:43521 "EHLO g6t0186.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932227Ab0I3QtH (ORCPT ); Thu, 30 Sep 2010 12:49:07 -0400 Subject: [PATCH v2] DMI: log system, BIOS, and board information To: Andrew Morton From: Bjorn Helgaas Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Alan Cox Date: Thu, 30 Sep 2010 10:49:05 -0600 Message-ID: <20100930164905.13154.33194.stgit@bob.kio> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Put basic system information in the dmesg log. There are lots of dmesg logs on the web, and it would be useful if they contained this information for debugging platform problems. Signed-off-by: Bjorn Helgaas --- drivers/firmware/dmi_scan.c | 35 ++++++++++++++++++++++++++++++++++- 1 files changed, 34 insertions(+), 1 deletions(-) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index b3d22d6..d625e53 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -2,6 +2,7 @@ #include #include #include +#include #include #include #include @@ -361,6 +362,36 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy) } } +static const char * __init dmi_printable_system_info(int field) +{ + const char *info, *p; + + info = dmi_get_system_info(field); + if (!info) + return NULL; + + for (p = info; *p; p++) + if (!isprint(*p)) + return "<...>"; + + return info; +} + +static void __init dmi_dump_ids(void) +{ + const char *board; + + printk(KERN_DEBUG "DMI: system: %s %s", + dmi_printable_system_info(DMI_SYS_VENDOR), + dmi_printable_system_info(DMI_PRODUCT_NAME)); + board = dmi_printable_system_info(DMI_BOARD_NAME); + if (board) + printk(KERN_CONT " (%s board)", board); + printk(KERN_CONT ", BIOS: %s %s\n", + dmi_printable_system_info(DMI_BIOS_VERSION), + dmi_printable_system_info(DMI_BIOS_DATE)); +} + static int __init dmi_present(const char __iomem *p) { u8 buf[15]; @@ -381,8 +412,10 @@ static int __init dmi_present(const char __iomem *p) buf[14] >> 4, buf[14] & 0xF); else printk(KERN_INFO "DMI present.\n"); - if (dmi_walk_early(dmi_decode) == 0) + if (dmi_walk_early(dmi_decode) == 0) { + dmi_dump_ids(); return 0; + } } return 1; }