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Murasaki 0.5.4 (another HotPlug)
Shuu Yamaguchi <shuu@dotaster.com>
Murasaki automatically loads and unloads modules for USB,Cardbus,network,etc
using new feature "Hotplug" in Linux 2.4.
Now kernel supports USB,Cardbus,network and IEEE1394.
[Requires]
* Kernel 2.4.0 or later
If you use kernel 2.4.0, you need to get the patch
against 2.4.0 and rebuild your kernel.
The patch "patch-2.4.0-hotplug.bz2" is on the URL where
modutils is.
* modutils 2.4.1 or later
* Support for hot-pluggable devices on General setup Menu
in kernel configuration
[Files]
* hotplug.murasaki --- Hotplug program
Linux kernel calls this when a hot-pluggable device
is connected(registerd) or disconnected(unregisterd).
Now, there are USB, PCI ,network device and IEEE1394.
* murasaki.usb ------- USB Agent program
"hotplug.murasaki" calls this when a USB device is connected
into or disconnected from a USB hub.
* murasaki.pci ------- PCI(Cardbus) Agent program
"hotplug.murasaki" calls this when a Cardbus device is
connected into or disconnected from a card slot.
* murasaki.net ------- network Agent program
"hotplug.murasaki" calls this when a network device is
registerd or unregisterd.
* murasaki.ieee1394 -- IEEE1394 Agent Program
"hotplug.murasaki" calls this when a IEEE1394 device is
registerd or unregisterd.
* murasaki.usbmap ---- USB MAP configuration file
"murasaki.usb" looks at this to search a appropriate USB
module name.
* murasaki.pcimap ---- PCI MAP configuration file
"murasaki.pci" looks at this to search a appropriate PCI
module name.
* murasaki.ieee1394map IEEE1394 MAP configuration file
"murasaki.ieee1394" looks at this to search a appropriate IEEE1394
module name.
* murasaki.depend ---- depending modules file
USB and PCI Agent program use this to search depended modules on a
loaded or unloaded module and to expand alias module name.
An alias module name begins with "alias-" and it isn't loaded
and unloaded by an agent program.
[See How to write murasaki.depend]
* murasaki.call ------ setup script file
An Agent program uses this to setup modules.
[See How to write murasaki.call]
* murasaki.preload --- preloaded modules file
RC script loads modules in this on booting.
[See How to write murasaki.preload]
* auto_setup --------- preload file setup sh-script.
This is called by RC script and write appropriate modules
on preload file.
[How to make]
build the Agent and HotPlug from sources.
$ make
[How to install]
1) Become root user
$ su
2) Install files
# make install
(Note)
'make install' will install each file for RedHat(or compatible)
system. If you use another system, you need add the following line
at appropriate place in RC script.
- On starting
rc.murasaki start
- On shutdowning
rc.murasaki stop
[How to write murasaki.preload]
This file is called by RC script(rc.murasaki).
It forms each module per line.
<Format>
----------------------
module1
module2
module3
----------------------
[How to write murasaki.depend]
The 1st token is module's name with ':'.
The 2nd token is depended module filename. You are able to
write multiple files using <space> characters before the next.
<Format>
------------------------------------------------------------
module_name: depended-filename [depended-filename2 ...]
------------------------------------------------------------
module_name
module name
depended-filename
depended module name
If module name begins with 'alias-', Murasaki identify it as
alias module and load/unload depended modules except it.
[How to write murasaki.call]
The format of this file is same as murasaki.depend.
When you added a hotplug device, the script with 'start' as
the 1st argument is called . On the other hand when you removed it,
the script with 'stop' as the 1st argument is called.
<Format>
------------------------------------------------------------
module_name: executable-filename [executable-filename2 ...]
------------------------------------------------------------
module_name
module name
executable-filename
executable command name
The Agent looks at /etc/murasaki first of all when it searches
depended modules.
You should put executable command on /etc/murasaki to identify
it as what only Murasaki calls.
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