| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * Dell WMI descriptor driver |
| 4 | * |
| 5 | * Copyright (c) 2017 Dell Inc. |
| 6 | */ |
| 7 | |
| 8 | #ifndef _DELL_WMI_DESCRIPTOR_H_ |
| 9 | #define _DELL_WMI_DESCRIPTOR_H_ |
| 10 | |
| 11 | #include <linux/wmi.h> |
| 12 | |
| 13 | /* possible return values: |
| 14 | * -ENODEV: Descriptor GUID missing from WMI bus |
| 15 | * -EPROBE_DEFER: probing for dell-wmi-descriptor not yet run |
| 16 | * 0: valid descriptor, successfully probed |
| 17 | * < 0: invalid descriptor, don't probe dependent devices |
| 18 | */ |
| 19 | int dell_wmi_get_descriptor_valid(void); |
| 20 | |
| 21 | bool dell_wmi_get_interface_version(u32 *version); |
| 22 | bool dell_wmi_get_size(u32 *size); |
| 23 | bool dell_wmi_get_hotfix(u32 *hotfix); |
| 24 | |
| 25 | #endif |