Re: ACPI_WMI: worst config description of all times
From: Pavel Machek
Date: Thu Feb 07 2008 - 17:35:21 EST
On Thu 2008-02-07 17:27:38, Len Brown wrote:
> On Thursday 07 February 2008 16:47, Pavel Machek wrote:
> >
> > See? It even has completely useless help text.
> >
> > Does WMI stand for Windows Management Instrumentation? It is some
> > server management feature? What is it good for?
>
> Thank you for the feedback, Pavel.
>
> There is an additional patch which creates
> Documentation/acpi/wmi.txt, but I witheld it from
> this batch because it needs to be revised.
> If you are not subscribed to the linux-acpi list
> you can find it here:
>
> http://marc.info/?l=linux-acpi&m=120217838010224&w=2
>
> Clearly we neeed to update the Kconfig doc as well when
> we revise and push that patch.
+ACPI-WMI mapping driver
+
+Copyright (C) 2007-2008 Carlos Corbacho <carlos@xxxxxxxxxxxxxxxxxxx>
+
+Updated: 5th February 2008
+
+1) About this guide
+
+This guide is a basic introduction on how to interact with the ACPI-WMI mapper
+driver in the kernel - it presumes you already have a basic knowledge of
+ACPI-WMI, ACPI and the hardware you are writing the driver for.
+
+2) What is ACPI-WMI
+
+At its simplest, ACPI-WMI is a proprietary extension to the ACPI specification
+from Microsoft to allow WMI (their implementation of WBEM) to access
+instrumentation data and methods in ACPI from userspace, via the ACPI _HID
+device PNP0C14.
+
+3) What is the ACPI-WMI mapper
+
+The Linux ACPI-WMI driver is the implementation of this mapper for Linux.
Yes, please. This needs translation into plain english.
What is WBEM, in plain terms? What is it good for?
Pavel
--
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