1 What: /dev/wmi/dell-smbios
2 Date: November 2017
3 KernelVersion: 4.15
4 Contact: Dell.Client.Kernel@dell.com
5 Description:
6 Perform SMBIOS calls on suppor
7 through the Dell ACPI-WMI inte
8
9 IOCTL's and buffer formats are
10 <uapi/linux/wmi.h>
11
12 1) To perform an SMBIOS call f
13 first determine the minimum
14 buffer for your machine.
15 Platforms that contain larg
16 objects from the system fir
17 Commonly this size is eithe
18
19 To determine the size of th
20 the WMI character device /d
21
22 2) After you've determined the
23 interface buffer, you can a
24 the structure documented ab
25
26 3) In the 'length' object stor
27 determined above and alloca
28
29 4) In this buffer object, prep
30 call you're interested in.
31 "class", "select", and "inp
32 with the data you are inter
33 Documenting class/select/in
34 of this documentation. Chec
35 further documentation on th
36
37 6) Run the call by using ioctl
38
39 7) The output will be returned
40
41 8) Be sure to free up your all
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