linux/drivers/platform/x86/dell-wmi-descriptor.h

29 lines
780 B
C

/*
* Dell WMI descriptor driver
*
* Copyright (c) 2017 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_WMI_DESCRIPTOR_H_
#define _DELL_WMI_DESCRIPTOR_H_
#include <linux/wmi.h>
/* possible return values:
* -ENODEV: Descriptor GUID missing from WMI bus
* -EPROBE_DEFER: probing for dell-wmi-descriptor not yet run
* 0: valid descriptor, successfully probed
* < 0: invalid descriptor, don't probe dependent devices
*/
int dell_wmi_get_descriptor_valid(void);
bool dell_wmi_get_interface_version(u32 *version);
bool dell_wmi_get_size(u32 *size);
bool dell_wmi_get_hotfix(u32 *hotfix);
#endif