Does mdev support ataraid cciss ida??

Natanael Copa natanael.copa at gmail.com
Thu Jul 31 11:26:43 UTC 2008


On Wed, 2008-07-30 at 11:50 +0200, Bernhard Fischer wrote:
> On Mon, Jul 28, 2008 at 10:17:28AM +0200, Natanael Copa wrote:
> >On Sat, 2008-07-26 at 20:35 +0200, Denys Vlasenko wrote:
> >> On Saturday 26 July 2008 19:27, Michael D. Setzer II wrote:
> 
> >> mdev will not create directories by itself, but if you will explain
> >> it how to map device name to the directory, it can do it.
> >> 
> >> This line in /etc/mdev.conf
> >> 
> >> <regex matching ataraid devices> 0:0 660 >ataraid/
> >> 
> >> will create device node as /dev/ataraid/$DEVNAME
> >> and place a symlink to it in /dev/$DEVNAME.
> >> 
> >> <regex matching ataraid devices> 0:0 660 =ataraid/
> >> 
> >> will just create device node as /dev/ataraid/$DEVNAME
> >> (no additional symlink).
> >> 
> >> You can use
> >> 
> >> <regex matching ataraid devices> 0:0 660 @script.sh
> >> 
> >> if you need some more complicated processing. script.sh
> >> can find the name of the device in $MDEV.
> >> 
> >> I'm afraid you need to research yourself how to construct
> >> <regex matching ataraid devices>.
> >
> >I had a user reporting a missing /dev/ida directory. IIRC the device
> >files ended up like /dev/ida!<something> and I was thining of a regex in
> >soemthing like:
> >
> >(.*)!(.*) 0:0 660 =%1/%2
> >
> >Since I dont have the hardware to test this myself, I would really
> 
> Me neither.
> Perhaps try something like (obviously untested):
> 
> cciss!.* root:disk 0660 @/lib/mdev/exclamat_subdir
> ida!.* root:disk 0660 @/lib/mdev/exclamat_subdir
> rd!.* root:disk 0660 @/lib/mdev/exclamat_subdir

you can do that with the regex and create dir feature in mdev so you
dont need no exclamat_subdir

...

> >appreciate if someone could post the relevant regexes here.
> 
> We should start to collect some of these (after testing) in
> examples/mdev/{lib/,mdev.disk.conf}, i suppose.

i post what i use atm. (when i look at it, seems like the dvbdev could
be replaced with a regex in mdev.conf)

-nc

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# 
# This is a sample mdev.conf.
#

# Devices:
# Syntax: %s %d:%d %s
# devices user:group mode

# null does already exist; therefore ownerchip has to be changed with command
null	root:root 0666	@chmod 666 $MDEV
zero	root:root 0666
grsec	root:root 0660
full	root:root 0666

random	root:root 0666
urandom	root:root 0444
hwrandom root:root 0660

# console does already exist; therefore ownerchip has to be changed with command
console	root:tty 0600	@chmod 600 $MDEV && mkdir -p vc && ln -sf ../$MDEV vc/0
fd0	root:floppy 0660
kmem	root:root 0640
mem	root:root 0640
port	root:root 0640
ptmx	root:tty 0666

# ram.*
ram([0-9]*)	root:disk 0660 >rd/%1
loop([0-9]+)	root:disk 0660 >loop/
sd[a-z][0-9]*	root:disk 0660 */lib/mdev/sd_links
hd[a-z][0-9]*	root:disk 0660 */lib/mdev/ide_links
md[0-9]		root:disk 0660

tty		root:tty 0666
tty[0-9]	root:root 0600
tty[0-9][0-9]	root:tty 0660
ttyS[0-9]*	root:uucp 0660
pty.*		root:tty 0660
vcs[0-9]*	root:tty 0660
vcsa[0-9]*	root:tty 0660


ttyLTM[0-9]	root:dialout 0660 @ln -sf $MDEV modem
ttySHSF[0-9]	root:dialout 0660 @ln -sf $MDEV modem
slamr		root:dialout 0660 @ln -sf $MDEV slamr0
slusb		root:dialout 0660 @ln -sf $MDEV slusb0
fuse		root:root  0666

# dri device
card[0-9]	root:video 0660 =dri/

# alsa sound devices and audio stuff
pcm.*		root:audio 0660	=snd/
control.*	root:audio 0660	=snd/
midi.*		root:audio 0660	=snd/
seq		root:audio 0660	=snd/
timer		root:audio 0660	=snd/

adsp		root:audio 0660 >sound/
audio		root:audio 0660 >sound/
dsp		root:audio 0660 >sound/
mixer		root:audio 0660 >sound/
sequencer.*	root:audio 0660 >sound/

# misc stuff
agpgart		root:root 0660  >misc/
psaux		root:root 0660  >misc/
rtc		root:root 0664  >misc/

# input stuff
mice		root:root 0640 =input/
mouse[0-9]	root:root 0640 =input/
ts[0-9]		root:root 0600 =input/

# v4l stuff
vbi[0-9]	root:video 0660 >v4l/
video[0-9]	root:video 0660 >v4l/

# dvb stuff
dvb.*		root:video 0660 */lib/mdev/dvbdev

# load drivers for usb devices
usbdev[0-9].[0-9]	root:root 0660 */lib/mdev/usbdev
usbdev[0-9].[0-9]_.*	root:root 0660

# net devices
tun[0-9]*	root:root 0600 =net/
tap[0-9]*	root:root 0600 =net/

# zaptel devices
zap(.*)		root:dialout 0660 =zap/%1

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