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From e6d3112d956608eb30329743ae6588330bb6ee7d Mon Sep 17 00:00:00 2001
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From: Erwan Velu <e.velu@criteo.com>
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Date: Mon, 7 Oct 2019 15:36:47 +0200
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Subject: [PATCH 07/11] dmidecode: Adding bios-revision to -s option
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Some hardware vendors like HPe use the Version field to store the
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bios generation like (U30, U32, A40, ...). If you want to get the
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"release" version of this bios generation, the bios revision field
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must be considered.
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A typical output of this kind of server looks like :
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BIOS Information
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Vendor: HPE
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Version: A40
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Release Date: 07/20/2019
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[...]
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BIOS Revision: 2.0
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Firmware Revision: 1.45
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Add a "bios-revision" entry into the '-s' option.
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A typical usage of this feature looks like :
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[root@host] dmidecode -s bios-revision
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2.0
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Signed-off-by: Erwan Velu <e.velu@criteo.com>
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Signed-off-by: Jean Delvare <jdelvare@suse.de>
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---
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dmidecode.c | 4 ++++
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dmiopt.c | 1 +
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man/dmidecode.8 | 1 +
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3 files changed, 6 insertions(+)
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diff --git a/dmidecode.c b/dmidecode.c
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index a5a12355b268..bc438defdb72 100644
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--- a/dmidecode.c
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+++ b/dmidecode.c
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@@ -5079,6 +5079,10 @@ static void dmi_table_string(const struct dmi_header *h, const u8 *data, u16 ver
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key = (opt.string->type << 8) | offset;
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switch (key)
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{
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+ case 0x015: /* -s bios-revision */
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+ if (data[key - 1] != 0xFF && data[key] != 0xFF)
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+ printf("%u.%u\n", data[key - 1], data[key]);
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+ break;
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case 0x108:
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dmi_system_uuid(data + offset, ver);
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printf("\n");
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diff --git a/dmiopt.c b/dmiopt.c
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index 2f285f34a96b..9ceb35a104bd 100644
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--- a/dmiopt.c
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+++ b/dmiopt.c
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@@ -151,6 +151,7 @@ static const struct string_keyword opt_string_keyword[] = {
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{ "bios-vendor", 0, 0x04 },
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{ "bios-version", 0, 0x05 },
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{ "bios-release-date", 0, 0x08 },
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+ { "bios-revision", 0, 0x15 }, /* 0x14 and 0x15 */
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{ "system-manufacturer", 1, 0x04 },
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{ "system-product-name", 1, 0x05 },
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{ "system-version", 1, 0x06 },
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diff --git a/man/dmidecode.8 b/man/dmidecode.8
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index 1f6529d99e91..c3f87132d14c 100644
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--- a/man/dmidecode.8
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+++ b/man/dmidecode.8
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@@ -74,6 +74,7 @@ displayed. Meta-data and handle references are hidden.
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Only display the value of the \s-1DMI\s0 string identified by \fBKEYWORD\fR.
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\fBKEYWORD\fR must be a keyword from the following list: \fBbios-vendor\fR,
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\fBbios-version\fR, \fBbios-release-date\fR,
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+\fBbios-revision\fR,
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\fBsystem-manufacturer\fR, \fBsystem-product-name\fR,
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\fBsystem-version\fR, \fBsystem-serial-number\fR,
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\fBsystem-uuid\fR, \fBsystem-family\fR,
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--
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2.17.1
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