From b45ffe80ed050c7225a07eec50b53bb2c02a4b2a Mon Sep 17 00:00:00 2001
From: Graham Cantin <kamilion@gmail.com>
Date: Tue, 3 Oct 2017 20:15:34 -0700
Subject: [PATCH 28/28] Add a struct for parsing BIOS information,
 differentiate board-product from product. Use the BIOS information struct to
 extract the bios version and revision. Tested against Supermicro H8 series
 motherboards only.

---
 src/include/ipxe/smbios.h              | 19 +++++++++++++++++
 src/interface/smbios/smbios_settings.c | 38 ++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/src/include/ipxe/smbios.h b/src/include/ipxe/smbios.h
index c1d8fea..0a6d714 100644
--- a/src/include/ipxe/smbios.h
+++ b/src/include/ipxe/smbios.h
@@ -95,6 +95,25 @@ struct smbios_structure {
 	size_t strings_len;
 };
 
+/** SMBIOS bios information structure */
+struct smbios_bios_information {
+	/** SMBIOS structure header */
+	struct smbios_header header;
+	/** Manufacturer string */
+	uint8_t manufacturer;
+	/** Version string */
+	uint8_t version;
+	/** base address segment word */
+	uint16_t segment;
+	/** Revision string */
+	uint8_t revision;
+	/** Rom size string */
+	uint8_t romsize;
+} __attribute__ (( packed ));
+
+/** SMBIOS bios information structure type */
+#define SMBIOS_TYPE_BIOS_INFORMATION 0
+
 /** SMBIOS system information structure */
 struct smbios_system_information {
 	/** SMBIOS structure header */
diff --git a/src/interface/smbios/smbios_settings.c b/src/interface/smbios/smbios_settings.c
index 2d571f2..e9cb0fd 100644
--- a/src/interface/smbios/smbios_settings.c
+++ b/src/interface/smbios/smbios_settings.c
@@ -257,3 +257,41 @@ const struct setting board_serial_setting __setting ( SETTING_HOST_EXTRA,
 	.type = &setting_type_string,
 	.scope = &smbios_settings_scope,
 };
+
+/** Board product name setting (may differ from chassis product name) */
+const struct setting board_product_setting __setting ( SETTING_HOST_EXTRA,
+						       product )={
+	.name = "board-product",
+	.description = "Base board Product name",
+	.tag = SMBIOS_STRING_TAG ( SMBIOS_TYPE_BASE_BOARD_INFORMATION,
+				   struct smbios_base_board_information,
+				   product ),
+	.type = &setting_type_string,
+	.scope = &smbios_settings_scope,
+};
+
+/** BIOS Version setting */
+const struct setting bios_version_setting __setting ( SETTING_HOST_EXTRA,
+						      bios-version )={
+	.name = "bios-version",
+	.description = "BIOS Version",
+	.tag = SMBIOS_STRING_TAG ( SMBIOS_TYPE_BIOS_INFORMATION,
+				   struct smbios_bios_information,
+				   version ),
+	.type = &setting_type_string,
+	.scope = &smbios_settings_scope,
+};
+
+/** BIOS Revision setting */
+const struct setting bios_revision_setting __setting ( SETTING_HOST_EXTRA,
+						      bios-revision )={
+	.name = "bios-revision",
+	.description = "BIOS Revision",
+	.tag = SMBIOS_STRING_TAG ( SMBIOS_TYPE_BIOS_INFORMATION,
+				   struct smbios_bios_information,
+				   revision ),
+	.type = &setting_type_string,
+	.scope = &smbios_settings_scope,
+};
+
+
-- 
2.7.4