120d157844
Follow up on ideas prompted by last change: clean up the patches generated by git workflow. There is no value to the first line (mbox From line), or [PATCH] on subject line. Get rid of those. Other minor fixes and improvements to update_git.sh OBS-URL: https://build.opensuse.org/request/show/662931 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=443
191 lines
8.6 KiB
Diff
191 lines
8.6 KiB
Diff
From: Lin Ma <lma@suse.com>
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Date: Wed, 14 Mar 2018 14:31:26 +0800
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Subject: smbios: Add 1 terminator if any string fields defined in given table.
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If user specifies smbios table files through qemu command line, Then will
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get error messages while decoding those table content in guest.
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Reproducer:
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1. dump a smbios table(say table 1) to a binary file from a pc.
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2. load the binary file through command line: 'qemu -smbios file=...'.
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3. perform 'dmidecode' or 'dmidecode -t 1' in guest.
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It reports 'Invalid entry length...' because qemu doesn't add terminator(s)
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correctly for the table.
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This patch fixed the issue by:
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For smbios tables which have string fields provided, qemu should add 1 terminator.
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For smbios tables which dont have string fields provided, qemu should add 2.
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[LM: BSC#994082]
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[LM: BSC#1084316]
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Signed-off-by: Lin Ma <lma@suse.com>
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---
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hw/smbios/smbios.c | 90 ++++++++++++++++++++++++++++++++++++++
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include/hw/smbios/smbios.h | 44 +++++++++++++++++++
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2 files changed, 134 insertions(+)
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diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
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index 920939454e..52d1e10c3c 100644
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--- a/hw/smbios/smbios.c
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+++ b/hw/smbios/smbios.c
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@@ -953,6 +953,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
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Error *err = NULL;
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const char *val;
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+ int i, terminator_count = 2, table_str_field_count = 0;
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+ int *tables_str_field_offset = NULL;
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+
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assert(!smbios_immutable);
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val = qemu_opt_get(opts, "file");
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@@ -999,7 +1002,94 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
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smbios_type4_count++;
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}
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+ switch (header->type) {
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+ case 0:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_0_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){\
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+ TYPE_0_STR_FIELD_OFFSET_VENDOR, \
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+ TYPE_0_STR_FIELD_OFFSET_BIOS_VERSION, \
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+ TYPE_0_STR_FIELD_OFFSET_BIOS_RELEASE_DATE};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ case 1:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_1_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){
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+ TYPE_1_STR_FIELD_OFFSET_MANUFACTURER, \
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+ TYPE_1_STR_FIELD_OFFSET_PRODUCT, \
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+ TYPE_1_STR_FIELD_OFFSET_VERSION, \
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+ TYPE_1_STR_FIELD_OFFSET_SERIAL, \
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+ TYPE_1_STR_FIELD_OFFSET_SKU, \
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+ TYPE_1_STR_FIELD_OFFSET_FAMILY};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ case 2:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_2_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){\
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+ TYPE_2_STR_FIELD_OFFSET_MANUFACTURER, \
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+ TYPE_2_STR_FIELD_OFFSET_PRODUCT, \
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+ TYPE_2_STR_FIELD_OFFSET_VERSION, \
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+ TYPE_2_STR_FIELD_OFFSET_SERIAL, \
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+ TYPE_2_STR_FIELD_OFFSET_ASSET, \
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+ TYPE_2_STR_FIELD_OFFSET_LOCATION};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ case 3:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_3_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){\
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+ TYPE_3_STR_FIELD_OFFSET_MANUFACTURER, \
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+ TYPE_3_STR_FIELD_OFFSET_VERSION, \
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+ TYPE_3_STR_FIELD_OFFSET_SERIAL, \
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+ TYPE_3_STR_FIELD_OFFSET_ASSET, \
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+ TYPE_3_STR_FIELD_OFFSET_SKU};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ case 4:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_4_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){\
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+ TYPE_4_STR_FIELD_OFFSET_SOCKET, \
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+ TYPE_4_STR_FIELD_OFFSET_PROCESSOR_MANUFACTURER, \
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+ TYPE_4_STR_FIELD_OFFSET_PROCESSOR_VERSION, \
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+ TYPE_4_STR_FIELD_OFFSET_SERIAL, \
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+ TYPE_4_STR_FIELD_OFFSET_ASSET, \
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+ TYPE_4_STR_FIELD_OFFSET_PART};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ case 17:
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+ tables_str_field_offset = g_malloc0(sizeof(int) * \
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+ TYPE_17_STR_FIELD_COUNT);
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+ tables_str_field_offset = (int []){\
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+ TYPE_17_STR_FIELD_OFFSET_DEVICE_LOCATOR, \
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+ TYPE_17_STR_FIELD_OFFSET_BANK_LOCATOR, \
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+ TYPE_17_STR_FIELD_OFFSET_MANUFACTURER, \
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+ TYPE_17_STR_FIELD_OFFSET_SERIAL, \
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+ TYPE_17_STR_FIELD_OFFSET_ASSET, \
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+ TYPE_17_STR_FIELD_OFFSET_PART};
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+ table_str_field_count = sizeof(tables_str_field_offset) / \
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+ sizeof(tables_str_field_offset[0]);
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+ break;
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+ default:
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+ break;
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+ }
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+
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+ for (i = 0; i < table_str_field_count; i++) {
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+ if (*(uint8_t *)(smbios_tables + tables_str_field_offset[i]) > 0) {
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+ terminator_count = 1;
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+ break;
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+ }
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+ }
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+
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smbios_tables_len += size;
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+ smbios_tables_len += terminator_count;
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if (size > smbios_table_max) {
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smbios_table_max = size;
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}
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diff --git a/include/hw/smbios/smbios.h b/include/hw/smbios/smbios.h
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index eeb5a4d7b6..2662df995a 100644
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--- a/include/hw/smbios/smbios.h
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+++ b/include/hw/smbios/smbios.h
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@@ -272,4 +272,48 @@ void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
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const unsigned int mem_array_size,
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uint8_t **tables, size_t *tables_len,
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uint8_t **anchor, size_t *anchor_len);
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+
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+#define TYPE_0_STR_FIELD_OFFSET_VENDOR 0x4
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+#define TYPE_0_STR_FIELD_OFFSET_BIOS_VERSION 0x5
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+#define TYPE_0_STR_FIELD_OFFSET_BIOS_RELEASE_DATE 0x8
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+#define TYPE_0_STR_FIELD_COUNT 3
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+
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+#define TYPE_1_STR_FIELD_OFFSET_MANUFACTURER 0x4
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+#define TYPE_1_STR_FIELD_OFFSET_PRODUCT 0x5
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+#define TYPE_1_STR_FIELD_OFFSET_VERSION 0x6
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+#define TYPE_1_STR_FIELD_OFFSET_SERIAL 0x7
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+#define TYPE_1_STR_FIELD_OFFSET_SKU 0x19
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+#define TYPE_1_STR_FIELD_OFFSET_FAMILY 0x1a
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+#define TYPE_1_STR_FIELD_COUNT 6
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+
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+#define TYPE_2_STR_FIELD_OFFSET_MANUFACTURER 0x4
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+#define TYPE_2_STR_FIELD_OFFSET_PRODUCT 0x5
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+#define TYPE_2_STR_FIELD_OFFSET_VERSION 0x6
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+#define TYPE_2_STR_FIELD_OFFSET_SERIAL 0x7
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+#define TYPE_2_STR_FIELD_OFFSET_ASSET 0x8
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+#define TYPE_2_STR_FIELD_OFFSET_LOCATION 0xa
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+#define TYPE_2_STR_FIELD_COUNT 6
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+
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+#define TYPE_3_STR_FIELD_OFFSET_MANUFACTURER 0x4
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+#define TYPE_3_STR_FIELD_OFFSET_VERSION 0x6
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+#define TYPE_3_STR_FIELD_OFFSET_SERIAL 0x7
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+#define TYPE_3_STR_FIELD_OFFSET_ASSET 0x8
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+#define TYPE_3_STR_FIELD_OFFSET_SKU 0x14
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+#define TYPE_3_STR_FIELD_COUNT 5
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+
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+#define TYPE_4_STR_FIELD_OFFSET_SOCKET 0x4
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+#define TYPE_4_STR_FIELD_OFFSET_PROCESSOR_MANUFACTURER 0x7
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+#define TYPE_4_STR_FIELD_OFFSET_PROCESSOR_VERSION 0x10
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+#define TYPE_4_STR_FIELD_OFFSET_SERIAL 0x20
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+#define TYPE_4_STR_FIELD_OFFSET_ASSET 0x21
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+#define TYPE_4_STR_FIELD_OFFSET_PART 0x22
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+#define TYPE_4_STR_FIELD_COUNT 6
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+
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+#define TYPE_17_STR_FIELD_OFFSET_DEVICE_LOCATOR 0x10
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+#define TYPE_17_STR_FIELD_OFFSET_BANK_LOCATOR 0x11
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+#define TYPE_17_STR_FIELD_OFFSET_MANUFACTURER 0x17
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+#define TYPE_17_STR_FIELD_OFFSET_SERIAL 0x18
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+#define TYPE_17_STR_FIELD_OFFSET_ASSET 0x19
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+#define TYPE_17_STR_FIELD_OFFSET_PART 0x1a
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+#define TYPE_17_STR_FIELD_COUNT 6
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#endif /* QEMU_SMBIOS_H */
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