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From d8c15575b412431f9e43b32e65419a83b11802aa Mon Sep 17 00:00:00 2001
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From: Jean Delvare <jdelvare@suse.de>
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Date: Wed, 23 Oct 2019 12:44:20 +0200
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Subject: [PATCH 11/11] dmidecode: Decode system slot base bus width and peers
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SMBIOS version 3.2.0 added extra fields are the end of structure type
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9. Decode these extra fields (base data bus width and peers) when
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present.
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Signed-off-by: Jean Delvare <jdelvare@suse.de>
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---
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dmidecode.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/dmidecode.c b/dmidecode.c
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index 9b8f917ef22a..e09f12116e9a 100644
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--- a/dmidecode.c
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+++ b/dmidecode.c
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@@ -2028,6 +2028,16 @@ static void dmi_slot_segment_bus_func(u16 code1, u8 code2, u8 code3, const char
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prefix, code1, code2, code3 >> 3, code3 & 0x7);
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}
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+static void dmi_slot_peers(u8 n, const u8 *data, const char *prefix)
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+{
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+ int i;
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+
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+ for (i = 1; i <= n; i++, data += 5)
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+ printf("%sPeer Device %d: %04x:%02x:%02x.%x (Width %u)\n",
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+ prefix, i, WORD(data), data[2], data[3] >> 3,
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+ data[3] & 0x07, data[4]);
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+}
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+
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/*
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* 7.11 On Board Devices Information (Type 10)
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*/
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@@ -4208,6 +4218,11 @@ static void dmi_decode(const struct dmi_header *h, u16 ver)
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dmi_slot_characteristics(data[0x0B], data[0x0C], "\t\t");
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if (h->length < 0x11) break;
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dmi_slot_segment_bus_func(WORD(data + 0x0D), data[0x0F], data[0x10], "\t");
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+ if (h->length < 0x13) break;
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+ printf("\tData Bus Width: %u\n", data[0x11]);
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+ printf("\tPeer Devices: %u\n", data[0x12]);
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+ if (h->length - 0x13 >= data[0x12] * 5)
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+ dmi_slot_peers(data[0x12], data + 0x13, "\t");
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break;
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case 10: /* 7.11 On Board Devices Information */
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--
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2.17.1
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