diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
tree | aa5cc3760a27c3d57146498cb82fa549547de06c /drivers/platform/x86/dell-smbios.h | |
parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/platform/x86/dell-smbios.h')
-rw-r--r-- | drivers/platform/x86/dell-smbios.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h new file mode 100644 index 000000000..ec7d40ae5 --- /dev/null +++ b/drivers/platform/x86/dell-smbios.h @@ -0,0 +1,46 @@ +/* + * 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 |