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-rw-r--r--hw/smbios/smbios_build.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/hw/smbios/smbios_build.h b/hw/smbios/smbios_build.h
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+++ b/hw/smbios/smbios_build.h
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+/*
+ * 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 */