| /* |
| * Common functions for kernel modules using Dell SMBIOS |
| * |
| * Copyright (c) Red Hat <mjg@redhat.com> |
| * Copyright (c) 2014 Gabriele Mazzotta <gabriele.mzt@gmail.com> |
| * Copyright (c) 2014 Pali Rohár <pali.rohar@gmail.com> |
| * |
| * Based on documentation in the libsmbios package: |
| * Copyright (C) 2005-2014 Dell Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef _DELL_SMBIOS_H_ |
| #define _DELL_SMBIOS_H_ |
| |
| /* This structure will be modified by the firmware when we enter |
| * system management mode, hence the volatiles */ |
| |
| struct calling_interface_buffer { |
| u16 class; |
| u16 select; |
| volatile u32 input[4]; |
| volatile u32 output[4]; |
| } __packed; |
| |
| struct calling_interface_token { |
| u16 tokenID; |
| u16 location; |
| union { |
| u16 value; |
| u16 stringlength; |
| }; |
| }; |
| |
| int dell_smbios_error(int value); |
| |
| struct calling_interface_buffer *dell_smbios_get_buffer(void); |
| void dell_smbios_clear_buffer(void); |
| void dell_smbios_release_buffer(void); |
| void dell_smbios_send_request(int class, int select); |
| |
| struct calling_interface_token *dell_smbios_find_token(int tokenid); |
| #endif |
