1 | /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ |
2 | /* |
3 | * User API methods for ACPI-WMI mapping driver |
4 | * |
5 | * Copyright (C) 2017 Dell, Inc. |
6 | */ |
7 | #ifndef _UAPI_LINUX_WMI_H |
8 | #define _UAPI_LINUX_WMI_H |
9 | |
10 | #include <linux/ioctl.h> |
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 | |
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 | |
70 | #endif |
71 | |