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Man Pages


Manual Reference Pages  -  ACPI_WMI (4)

NAME

acpi_wmi - ACPI to WMI mapping driver

CONTENTS

Synopsis
Description
Files
Examples
See Also
History
Authors

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:


.Cd device acpi_wmi

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

acpi_wmi_load="YES"

DESCRIPTION

The acpi_wmi driver provides an interface for vendor specific WMI implementations (e.g. HP and Acer laptops). It creates /dev/wmistat%d, which can be read to get information about GUIDs found in the system.

FILES

/dev/wmistat%d
  WMI status device.

EXAMPLES

# cat /dev/wmistat0
GUID                                  INST EXPE METH STR EVENT OID
{5FB7F034-2C63-45E9-BE91-3D44E2C707E4}   1 NO   WMAA NO  NO    AA
{95F24279-4D7B-4334-9387-ACCDC67EF61C}   1 NO   NO   NO  0x80+ -
{2B814318-4BE8-4707-9D84-A190A859B5D0}   1 NO   NO   NO  0xA0  -
{05901221-D566-11D1-B2F0-00A0C9062910}   1 NO   NO   NO  NO    AB
{1F4C91EB-DC5C-460B-951D-C7CB9B4B8D5E}   1 NO   WMBA NO  NO    BA
{2D114B49-2DFB-4130-B8FE-4A3C09E75133}  57 NO   NO   NO  NO    BC
{988D08E3-68F4-4C35-AF3E-6A1B8106F83C}  20 NO   NO   NO  NO    BD
{14EA9746-CE1F-4098-A0E0-7045CB4DA745}   1 NO   NO   NO  NO    BE
{322F2028-0F84-4901-988E-015176049E2D}   2 NO   NO   NO  NO    BF
{8232DE3D-663D-4327-A8F4-E293ADB9BF05}   0 NO   NO   NO  NO    BG
{8F1F6436-9F42-42C8-BADC-0E9424F20C9A}   0 NO   NO   NO  NO    BH
{8F1F6435-9F42-42C8-BADC-0E9424F20C9A}   0 NO   NO   NO  NO    BI

SEE ALSO

acpi(4)

HISTORY

The acpi_wmi device driver first appeared in
.Fx 8.0 .

AUTHORS


.An -nosplit The acpi_wmi driver was written by
.An Michael Gmelin Aq freebsd@grem.de .

Work has been inspired by the Linux acpi-wmi driver written by Carlos Corbacho.

See http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx for the specification of ACPI-WMI.

This manual page was written by
.An Michael Gmelin Aq freebsd@grem.de .

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