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d9c52522 | 1 | /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ |
44b6b766 ML |
2 | /* |
3 | * User API methods for ACPI-WMI mapping driver | |
4 | * | |
5 | * Copyright (C) 2017 Dell, Inc. | |
44b6b766 ML |
6 | */ |
7 | #ifndef _UAPI_LINUX_WMI_H | |
8 | #define _UAPI_LINUX_WMI_H | |
9 | ||
f2645fa3 | 10 | #include <linux/ioctl.h> |
44b6b766 ML |
11 | #include <linux/types.h> |
12 | ||
13 | /* WMI bus will filter all WMI vendor driver requests through this IOC */ | |
14 | #define WMI_IOC 'W' | |
15 | ||
16 | /* All ioctl requests through WMI should declare their size followed by | |
17 | * relevant data objects | |
18 | */ | |
19 | struct wmi_ioctl_buffer { | |
20 | __u64 length; | |
21 | __u8 data[]; | |
22 | }; | |
23 | ||
f2645fa3 ML |
24 | /* This structure may be modified by the firmware when we enter |
25 | * system management mode through SMM, hence the volatiles | |
26 | */ | |
27 | struct calling_interface_buffer { | |
28 | __u16 cmd_class; | |
29 | __u16 cmd_select; | |
30 | volatile __u32 input[4]; | |
31 | volatile __u32 output[4]; | |
32 | } __packed; | |
33 | ||
34 | struct dell_wmi_extensions { | |
35 | __u32 argattrib; | |
36 | __u32 blength; | |
37 | __u8 data[]; | |
38 | } __packed; | |
39 | ||
40 | struct dell_wmi_smbios_buffer { | |
41 | __u64 length; | |
42 | struct calling_interface_buffer std; | |
43 | struct dell_wmi_extensions ext; | |
44 | } __packed; | |
45 | ||
46 | /* Whitelisted smbios class/select commands */ | |
47 | #define CLASS_TOKEN_READ 0 | |
48 | #define CLASS_TOKEN_WRITE 1 | |
49 | #define SELECT_TOKEN_STD 0 | |
50 | #define SELECT_TOKEN_BAT 1 | |
51 | #define SELECT_TOKEN_AC 2 | |
52 | #define CLASS_FLASH_INTERFACE 7 | |
53 | #define SELECT_FLASH_INTERFACE 3 | |
54 | #define CLASS_ADMIN_PROP 10 | |
55 | #define SELECT_ADMIN_PROP 3 | |
56 | #define CLASS_INFO 17 | |
57 | #define SELECT_RFKILL 11 | |
58 | #define SELECT_APP_REGISTRATION 3 | |
59 | #define SELECT_DOCK 22 | |
60 | ||
61 | /* whitelisted tokens */ | |
62 | #define CAPSULE_EN_TOKEN 0x0461 | |
63 | #define CAPSULE_DIS_TOKEN 0x0462 | |
64 | #define WSMT_EN_TOKEN 0x04EC | |
65 | #define WSMT_DIS_TOKEN 0x04ED | |
66 | ||
67 | /* Dell SMBIOS calling IOCTL command used by dell-smbios-wmi */ | |
68 | #define DELL_WMI_SMBIOS_CMD _IOWR(WMI_IOC, 0, struct dell_wmi_smbios_buffer) | |
69 | ||
44b6b766 | 70 | #endif |