| Christopher Ferris | a1a109e | 2018-01-31 15:03:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * User API methods for ACPI-WMI mapping driver |
| 3 | * |
| 4 | * Copyright (C) 2017 Dell, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef _UAPI_LINUX_WMI_H |
| 11 | #define _UAPI_LINUX_WMI_H |
| 12 | |
| 13 | #include <linux/ioctl.h> |
| 14 | #include <linux/types.h> |
| 15 | |
| 16 | /* WMI bus will filter all WMI vendor driver requests through this IOC */ |
| 17 | #define WMI_IOC 'W' |
| 18 | |
| 19 | /* All ioctl requests through WMI should declare their size followed by |
| 20 | * relevant data objects |
| 21 | */ |
| 22 | struct wmi_ioctl_buffer { |
| 23 | __u64 length; |
| 24 | __u8 data[]; |
| 25 | }; |
| 26 | |
| 27 | /* This structure may be modified by the firmware when we enter |
| 28 | * system management mode through SMM, hence the volatiles |
| 29 | */ |
| 30 | struct calling_interface_buffer { |
| 31 | __u16 cmd_class; |
| 32 | __u16 cmd_select; |
| 33 | volatile __u32 input[4]; |
| 34 | volatile __u32 output[4]; |
| 35 | } __packed; |
| 36 | |
| 37 | struct dell_wmi_extensions { |
| 38 | __u32 argattrib; |
| 39 | __u32 blength; |
| 40 | __u8 data[]; |
| 41 | } __packed; |
| 42 | |
| 43 | struct dell_wmi_smbios_buffer { |
| 44 | __u64 length; |
| 45 | struct calling_interface_buffer std; |
| 46 | struct dell_wmi_extensions ext; |
| 47 | } __packed; |
| 48 | |
| 49 | /* Whitelisted smbios class/select commands */ |
| 50 | #define CLASS_TOKEN_READ 0 |
| 51 | #define CLASS_TOKEN_WRITE 1 |
| 52 | #define SELECT_TOKEN_STD 0 |
| 53 | #define SELECT_TOKEN_BAT 1 |
| 54 | #define SELECT_TOKEN_AC 2 |
| 55 | #define CLASS_FLASH_INTERFACE 7 |
| 56 | #define SELECT_FLASH_INTERFACE 3 |
| 57 | #define CLASS_ADMIN_PROP 10 |
| 58 | #define SELECT_ADMIN_PROP 3 |
| 59 | #define CLASS_INFO 17 |
| 60 | #define SELECT_RFKILL 11 |
| 61 | #define SELECT_APP_REGISTRATION 3 |
| 62 | #define SELECT_DOCK 22 |
| 63 | |
| 64 | /* whitelisted tokens */ |
| 65 | #define CAPSULE_EN_TOKEN 0x0461 |
| 66 | #define CAPSULE_DIS_TOKEN 0x0462 |
| 67 | #define WSMT_EN_TOKEN 0x04EC |
| 68 | #define WSMT_DIS_TOKEN 0x04ED |
| 69 | |
| 70 | /* Dell SMBIOS calling IOCTL command used by dell-smbios-wmi */ |
| 71 | #define DELL_WMI_SMBIOS_CMD _IOWR(WMI_IOC, 0, struct dell_wmi_smbios_buffer) |
| 72 | |
| 73 | #endif |