How to read freebsd kernel source? Post: 302212082

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acpi_wmi

ACPI_WMI(4)						 BSD/i386 Kernel Interfaces Manual					       ACPI_WMI(4)

NAME

     acpi_wmi -- ACPI to WMI mapping driver

SYNOPSIS

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

	   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, which
     can be read to get information about GUIDs found in the system.

FILES

     /dev/wmistat  WMI status device.

EXAMPLES

     # cat /dev/wmistat 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 FreeBSD CURRENT.

AUTHORS

     The acpi_wmi driver was written by Michael Gmelin <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 Michael Gmelin <freebsd@grem.de>

BSD
								   June 30, 2009							       BSD