The C and C++ Include Header Files

/usr/include/linux/wmi.h


$ cat -n /usr/include/linux/wmi.h

     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 _LINUX_WMI_H
     8	#define _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	} __attribute__((packed));
    33	
    34	struct dell_wmi_extensions {
    35		__u32 argattrib;
    36		__u32 blength;
    37		__u8 data[];
    38	} __attribute__((packed));
    39	
    40	struct dell_wmi_smbios_buffer {
    41		__u64 length;
    42		struct calling_interface_buffer std;
    43		struct dell_wmi_extensions	ext;
    44	} __attribute__((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