2 * Common functions for kernel modules using Dell SMBIOS
4 * Copyright (c) Red Hat <mjg@redhat.com>
5 * Copyright (c) 2014 Gabriele Mazzotta <gabriele.mzt@gmail.com>
6 * Copyright (c) 2014 Pali Rohár <pali.rohar@gmail.com>
8 * Based on documentation in the libsmbios package:
9 * Copyright (C) 2005-2014 Dell Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #ifndef _DELL_SMBIOS_H_
17 #define _DELL_SMBIOS_H_
19 /* This structure will be modified by the firmware when we enter
20 * system management mode, hence the volatiles */
22 struct calling_interface_buffer
{
25 volatile u32 input
[4];
26 volatile u32 output
[4];
29 struct calling_interface_token
{
38 extern struct calling_interface_buffer
*buffer
;
39 extern struct calling_interface_token
*da_tokens
;
41 void get_buffer(void);
42 void clear_buffer(void);
43 void release_buffer(void);
44 struct calling_interface_buffer
*
45 dell_send_request(struct calling_interface_buffer
*buffer
,
46 int class, int select
);
48 int find_token_id(int tokenid
);
49 int find_token_location(int tokenid
);
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