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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Dell WMI descriptor driver
*
* Copyright (c) 2017 Dell Inc.
*/
#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
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