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| author | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
|---|---|---|
| committer | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
| commit | 755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch) | |
| tree | 3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/smbios/smbios_build.h | |
| parent | Initial commit. (diff) | |
| download | qemu-upstream.tar.xz qemu-upstream.zip | |
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/smbios/smbios_build.h')
| -rw-r--r-- | hw/smbios/smbios_build.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/hw/smbios/smbios_build.h b/hw/smbios/smbios_build.h new file mode 100644 index 00000000..35166002 --- /dev/null +++ b/hw/smbios/smbios_build.h @@ -0,0 +1,108 @@ +/* + * SMBIOS Support + * + * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. + * Copyright (C) 2013 Red Hat, Inc. + * Copyright (c) 2015,2016 Corey Minyard, MontaVista Software, LLC + * + * 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) \ + SMBIOS_BUILD_TABLE_PRE_SIZE(tbl_type, tbl_handle, tbl_required, \ + sizeof(struct smbios_type_##tbl_type))\ + +#define SMBIOS_BUILD_TABLE_PRE_SIZE(tbl_type, tbl_handle, \ + tbl_required, tbl_len) \ + 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 += tbl_len; \ + 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 = tbl_len; \ + 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_TABLE_SET_STR_LIST(tbl_type, 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; \ + ++str_index; \ + } \ + } 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) + +/* IPMI SMBIOS firmware handling */ +void smbios_build_type_38_table(void); + +#endif /* QEMU_SMBIOS_BUILD_H */ |