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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/linux/wmi.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * wmi.h - ACPI WMI interface
5 * Copyright (c) 2015 Andrew Lutomirski
11 #include <linux/device.h>
12 #include <linux/acpi.h>
13 #include <linux/mod_devicetable.h>
14 #include <uapi/linux/wmi.h>
19 /* True for data blocks implementing the Set Control Method */
23 /* evaluate the ACPI method associated with this device */
24 extern acpi_status
wmidev_evaluate_method(struct wmi_device
*wdev
,
25 u8 instance
, u32 method_id
,
26 const struct acpi_buffer
*in
,
27 struct acpi_buffer
*out
);
29 /* Caller must kfree the result. */
30 extern union acpi_object
*wmidev_block_query(struct wmi_device
*wdev
,
33 extern int set_required_buffer_size(struct wmi_device
*wdev
, u64 length
);
36 struct device_driver driver
;
37 const struct wmi_device_id
*id_table
;
39 int (*probe
)(struct wmi_device
*wdev
, const void *context
);
40 int (*remove
)(struct wmi_device
*wdev
);
41 void (*notify
)(struct wmi_device
*device
, union acpi_object
*data
);
42 long (*filter_callback
)(struct wmi_device
*wdev
, unsigned int cmd
,
43 struct wmi_ioctl_buffer
*arg
);
46 extern int __must_check
__wmi_driver_register(struct wmi_driver
*driver
,
47 struct module
*owner
);
48 extern void wmi_driver_unregister(struct wmi_driver
*driver
);
49 #define wmi_driver_register(driver) __wmi_driver_register((driver), THIS_MODULE)
51 #define module_wmi_driver(__wmi_driver) \
52 module_driver(__wmi_driver, wmi_driver_register, \
53 wmi_driver_unregister)