Device Registry (DevReg) Patch 0.2.0

Device Registry (DevReg) Patch 0.2.0

[Tim Jansen]

The Linux Device Registry (devreg) is a kernel patch that adds a device 
database in XML format to the /proc filesystem. It collects all information 
about the system's physical devices, creates persistent device ids and 
provides them in the file /proc/devreg.

Devreg has three purposes:
- collect all configuration data from drivers so the user can browse his 
hardware configuration. 
-allow an application to display all devices that provide a certain interface 
(for example all mice) so the user can chose one. 
-allow an application to find the device that the user has selected after a 
reboot or a hotplug action: the device files in /dev do not offer stable 
names, they depend on the order in that the devices have been plugged in or 
powered on. 

Changes since last release (0.1.1):
- converted file format to XML
- bus-specific information from pci and usb added
- fixed locking

The patch (for 2.4.3) can be found at 
http://www.tjansen.de/devreg/devreg-2.4.3-0.2.0.diff.gz
To test it, apply the patch, select CONFIG_DEVFS_FS and CONFIG_DEVREG and 
compile. Note that the patch will break binary drivers.

Supported hardware in version 0.2.0: PCI subsystem, USB subsystem, most PCI 
sound cards, USB HID devices, USB hubs, USB printers

Other information and a user-space library can be found at 
http://www.tjansen.de/devreg

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Re: Device Registry (DevReg) Patch 0.2.0

[Martin Dalecki]

Tim Jansen wrote:
> 
> The Linux Device Registry (devreg) is a kernel patch that adds a device
> database in XML format to the /proc filesystem. It collects all information
OH SHIT!!     ^^^ 

<IRONY>
Why don't you just add postscript output to /proc?
</IRONY>

> about the system's physical devices, creates persistent device ids and
> provides them in the file /proc/devreg.

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