e24d7bc6d4
This blob is can be converted to human readable form by bmfdec. (http://github.com/pali/bmfdec) Differential Revision: https://reviews.freebsd.org/D21529
123 lines
4.1 KiB
Groff
123 lines
4.1 KiB
Groff
.\" Copyright (c) 2009 Michael Gmelin
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd Sep 5, 2019
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.Dt ACPI_WMI 4
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.Os
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.Sh NAME
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.Nm acpi_wmi
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.Nd "ACPI to WMI mapping driver"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device acpi_wmi"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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acpi_wmi_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides an interface for vendor specific WMI implementations
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(e.g. HP and Acer laptops).
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It creates /dev/wmistat%d, which can be read to get
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information about GUIDs found in the system.
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.Sh FILES
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.Bl -tag -width /dev/wmistat%d -compact
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.It Pa /dev/wmistat%d
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WMI status device.
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.El
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.Sh SYSCTLS
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The following sysctl node is currently implemented:
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.Bl -tag
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.It Va dev.acpi_wmi.%d.bmof
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Managed Object Format (MOF) blob.
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You can obtain human readable output by bmf2mof in bmfdec tool.
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(https://github.com/pali/bmfdec)
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.El
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.Sh EXAMPLES
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.Bd -literal
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# cat /dev/wmistat0
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GUID INST EXPE METH STR EVENT OID
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{5FB7F034-2C63-45E9-BE91-3D44E2C707E4} 1 NO WMAA NO NO AA
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{95F24279-4D7B-4334-9387-ACCDC67EF61C} 1 NO NO NO 0x80+ -
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{2B814318-4BE8-4707-9D84-A190A859B5D0} 1 NO NO NO 0xA0 -
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{05901221-D566-11D1-B2F0-00A0C9062910} 1 NO NO NO NO AB
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{1F4C91EB-DC5C-460B-951D-C7CB9B4B8D5E} 1 NO WMBA NO NO BA
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{2D114B49-2DFB-4130-B8FE-4A3C09E75133} 57 NO NO NO NO BC
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{988D08E3-68F4-4C35-AF3E-6A1B8106F83C} 20 NO NO NO NO BD
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{14EA9746-CE1F-4098-A0E0-7045CB4DA745} 1 NO NO NO NO BE
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{322F2028-0F84-4901-988E-015176049E2D} 2 NO NO NO NO BF
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{8232DE3D-663D-4327-A8F4-E293ADB9BF05} 0 NO NO NO NO BG
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{8F1F6436-9F42-42C8-BADC-0E9424F20C9A} 0 NO NO NO NO BH
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{8F1F6435-9F42-42C8-BADC-0E9424F20C9A} 0 NO NO NO NO BI
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# sysctl -b dev.acpi_wmi.0.bmof |bmf2mof
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[abstract]
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class Lenovo_BIOSElement {
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};
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[WMI, Dynamic, Provider("WMIProv"), WmiExpense(1), Description("Bios Setting"),
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GUID("{51F5230E-9677-46cd-A1CF-C0B23EE34DB7}"), Locale("MS\\0x409")]
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class Lenovo_BiosSetting : Lenovo_BiosElement {
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[key, read] String InstanceName;
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[read] Boolean Active;
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[WmiDataId(1), Description("BIOS setting")] String CurrentSetting;
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};
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...
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.Ed
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.Sh SEE ALSO
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.Xr acpi 4
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Michael Gmelin Aq Mt freebsd@grem.de .
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.Pp
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Work has been inspired by the Linux acpi-wmi driver written by Carlos Corbacho.
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.Pp
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See http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx for
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the specification of ACPI-WMI.
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.Pp
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MOF part has been inspired by the Linux wmi-bmof driver
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written by Andy Lutomirski.
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.Pp
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This manual page was written by
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.An Michael Gmelin Aq Mt freebsd@grem.de .
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