+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
*
* Adapted from coreboot src/include/smbios.h
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SMBIOS_H_
#define _SMBIOS_H_
+#include <dm/ofnode.h>
+
/* SMBIOS spec version implemented */
#define SMBIOS_MAJOR_VER 3
#define SMBIOS_MINOR_VER 0
*
* @addr: start address to write the structure
* @handle: the structure's handle, a unique 16-bit number
+ * @node: node containing the information to write (ofnode_null() if none)
* @return: size of the structure
*/
-typedef int (*smbios_write_type)(ulong *addr, int handle);
+typedef int (*smbios_write_type)(ulong *addr, int handle, ofnode node);
/**
* write_smbios_table() - Write SMBIOS table
*
* This writes SMBIOS table at a given address.
*
- * @addr: start address to write SMBIOS table
- * @return: end address of SMBIOS table
+ * @addr: start address to write SMBIOS table. If this is not
+ * 16-byte-aligned then it will be aligned before the table is written
+ * @return: end address of SMBIOS table (and start address for next entry)
*/
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_ */