mirror of https://gitee.com/openkylin/qemu.git
88 lines
4.7 KiB
C
88 lines
4.7 KiB
C
/*
|
|
* SMBIOS Support
|
|
*
|
|
* Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
|
|
* Copyright (C) 2013 Red Hat, Inc.
|
|
*
|
|
* Authors:
|
|
* Alex Williamson <alex.williamson@hp.com>
|
|
* Markus Armbruster <armbru@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
* Contributions after 2012-01-13 are licensed under the terms of the
|
|
* GNU GPL, version 2 or (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef QEMU_SMBIOS_BUILD_H
|
|
#define QEMU_SMBIOS_BUILD_H
|
|
|
|
bool smbios_skip_table(uint8_t type, bool required_table);
|
|
|
|
extern uint8_t *smbios_tables;
|
|
extern size_t smbios_tables_len;
|
|
extern unsigned smbios_table_max;
|
|
extern unsigned smbios_table_cnt;
|
|
|
|
#define SMBIOS_BUILD_TABLE_PRE(tbl_type, tbl_handle, tbl_required) \
|
|
struct smbios_type_##tbl_type *t; \
|
|
size_t t_off; /* table offset into smbios_tables */ \
|
|
int str_index = 0; \
|
|
do { \
|
|
/* should we skip building this table ? */ \
|
|
if (smbios_skip_table(tbl_type, tbl_required)) { \
|
|
return; \
|
|
} \
|
|
\
|
|
/* use offset of table t within smbios_tables */ \
|
|
/* (pointer must be updated after each realloc) */ \
|
|
t_off = smbios_tables_len; \
|
|
smbios_tables_len += sizeof(*t); \
|
|
smbios_tables = g_realloc(smbios_tables, smbios_tables_len); \
|
|
t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
|
|
\
|
|
t->header.type = tbl_type; \
|
|
t->header.length = sizeof(*t); \
|
|
t->header.handle = cpu_to_le16(tbl_handle); \
|
|
} while (0)
|
|
|
|
#define SMBIOS_TABLE_SET_STR(tbl_type, field, value) \
|
|
do { \
|
|
int len = (value != NULL) ? strlen(value) + 1 : 0; \
|
|
if (len > 1) { \
|
|
smbios_tables = g_realloc(smbios_tables, \
|
|
smbios_tables_len + len); \
|
|
memcpy(smbios_tables + smbios_tables_len, value, len); \
|
|
smbios_tables_len += len; \
|
|
/* update pointer post-realloc */ \
|
|
t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
|
|
t->field = ++str_index; \
|
|
} else { \
|
|
t->field = 0; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define SMBIOS_BUILD_TABLE_POST \
|
|
do { \
|
|
size_t term_cnt, t_size; \
|
|
\
|
|
/* add '\0' terminator (add two if no strings defined) */ \
|
|
term_cnt = (str_index == 0) ? 2 : 1; \
|
|
smbios_tables = g_realloc(smbios_tables, \
|
|
smbios_tables_len + term_cnt); \
|
|
memset(smbios_tables + smbios_tables_len, 0, term_cnt); \
|
|
smbios_tables_len += term_cnt; \
|
|
\
|
|
/* update smbios max. element size */ \
|
|
t_size = smbios_tables_len - t_off; \
|
|
if (t_size > smbios_table_max) { \
|
|
smbios_table_max = t_size; \
|
|
} \
|
|
\
|
|
/* update smbios element count */ \
|
|
smbios_table_cnt++; \
|
|
} while (0)
|
|
|
|
#endif /* QEMU_SMBIOS_BUILD_H */
|