smbios: add parsing API

Add a very simple API to be able to access SMBIOS strings
like vendor, model and bios version.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/include/smbios.h b/include/smbios.h
index 97b9ddce23..44f49e9556 100644
--- a/include/smbios.h
+++ b/include/smbios.h
@@ -237,4 +237,31 @@ typedef int (*smbios_write_type)(ulong *addr, int handle);
  */
 ulong write_smbios_table(ulong addr);
 
+/**
+ * smbios_entry() - Get a valid struct smbios_entry pointer
+ *
+ * @address:   address where smbios tables is located
+ * @size:      size of smbios table
+ * @return:    NULL or a valid pointer to a struct smbios_entry
+ */
+const struct smbios_entry *smbios_entry(u64 address, u32 size);
+
+/**
+ * smbios_header() - Search for SMBIOS header type
+ *
+ * @entry:     pointer to a struct smbios_entry
+ * @type:      SMBIOS type
+ * @return:    NULL or a valid pointer to a struct smbios_header
+ */
+const struct smbios_header *smbios_header(const struct smbios_entry *entry, int type);
+
+/**
+ * smbios_string() - Return string from SMBIOS
+ *
+ * @header:    pointer to struct smbios_header
+ * @index:     string index
+ * @return:    NULL or a valid const char pointer
+ */
+const char *smbios_string(const struct smbios_header *header, int index);
+
 #endif /* _SMBIOS_H_ */