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- #
- # This is a sample mdev.conf
- #
- # Provide user, group, and mode information for devices. If a regex matches
- # the device name provided by sysfs, use the appropriate user:group and mode
- # instead of the default 0:0 660.
- #
- # Syntax:
- # [-][ENVVAR=regex;]...devicename_regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
- # [-][ENVVAR=regex;]...@maj,min[-min2] user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
- # [-]$ENVVAR=regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
- #
- # [-]: do not stop on this match, continue reading mdev.conf
- # =: move, >: move and create a symlink
- # !: do not create device node
- # @|$|*: run cmd if $ACTION=remove, @cmd if $ACTION=add, *cmd in all cases
- # support module loading on hotplug
- $MODALIAS=.* root:root 660 @modprobe "$MODALIAS"
- # null may already exist; therefore ownership has to be changed with command
- null root:root 666 @chmod 666 $MDEV
- zero root:root 666
- full root:root 666
- random root:root 444
- urandom root:root 444
- hwrandom root:root 444
- grsec root:root 660
- kmem root:root 640
- mem root:root 640
- port root:root 640
- # console may already exist; therefore ownership has to be changed with command
- console root:tty 600 @chmod 600 $MDEV
- ptmx root:tty 666
- pty.* root:tty 660
- # Typical devices
- tty root:tty 666
- tty[0-9]* root:tty 660
- vcsa*[0-9]* root:tty 660
- ttyS[0-9]* root:uucp 660
- # block devices
- ram([0-9]*) root:disk 660 >rd/%1
- loop([0-9]+) root:disk 660 >loop/%1
- sd[a-z].* root:disk 660 */lib/mdev/usbdisk_link
- hd[a-z][0-9]* root:disk 660 */lib/mdev/ide_links
- md[0-9]* root:disk 660
- sr[0-9]* root:cdrom 660 @ln -sf $MDEV cdrom
- fd[0-9]* root:floppy 660
- # net devices
- SUBSYSTEM=net;.* root:root 600 @nameif
- tun[0-9]* root:root 600 =net/
- tap[0-9]* root:root 600 =net/
- # alsa sound devices and audio stuff
- pcm.* root:audio 660 =snd/
- control.* root:audio 660 =snd/
- midi.* root:audio 660 =snd/
- seq root:audio 660 =snd/
- timer root:audio 660 =snd/
- adsp root:audio 660 >sound/
- audio root:audio 660 >sound/
- dsp root:audio 660 >sound/
- mixer root:audio 660 >sound/
- sequencer.* root:audio 660 >sound/
- # Less typical devices
- # raid controllers
- cciss!(.*) root:disk 660 =cciss/%1
- ida!(.*) root:disk 660 =ida/%1
- rd!(.*) root:disk 660 =rd/%1
- ttyLTM[0-9] root:dialout 660 @ln -sf $MDEV modem
- ttySHSF[0-9] root:dialout 660 @ln -sf $MDEV modem
- slamr root:dialout 660 @ln -sf $MDEV slamr0
- slusb root:dialout 660 @ln -sf $MDEV slusb0
- fuse root:root 666
- # dri device
- card[0-9] root:video 660 =dri/
- # misc stuff
- agpgart root:root 660 >misc/
- psaux root:root 660 >misc/
- rtc root:root 664 >misc/
- # input stuff
- event[0-9]+ root:root 640 =input/
- mice root:root 640 =input/
- mouse[0-9] root:root 640 =input/
- ts[0-9] root:root 600 =input/
- # v4l stuff
- vbi[0-9] root:video 660 >v4l/
- video[0-9] root:video 660 >v4l/
- # dvb stuff
- dvb.* root:video 660 */lib/mdev/dvbdev
- # load drivers for usb devices
- usbdev[0-9].[0-9] root:root 660 */lib/mdev/usbdev
- usbdev[0-9].[0-9]_.* root:root 660
- # zaptel devices
- zap(.*) root:dialout 660 =zap/%1
- dahdi!(.*) root:dialout 660 =dahdi/%1
- # HTC Android
- # Attaching it via USB cable causes a flurry of activity:
- #
- # mdev[1271]: 48.639459 ACTION:add SUBSYSTEM:usb DEVNAME:bus/usb/001/009 DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5
- # mdev[1271]: mknod bus/usb/001/009 (189,8) 20660 0:0
- # mdev[1272]: 48.642354 ACTION:add SUBSYSTEM:usb DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0
- # mdev[1272]: running: modprobe "$MODALIAS"
- # mdev[1273]: 48.650078 ACTION:add SUBSYSTEM:scsi DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11
- # mdev[1274]: 48.651297 ACTION:add SUBSYSTEM:scsi_host DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/scsi_host/host11
- # mdev[1275]: 49.649422 ACTION:add SUBSYSTEM:scsi DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/target11:0:0
- # mdev[1276]: 49.650703 ACTION:add SUBSYSTEM:scsi DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/target11:0:0/11:0:0:0
- # mdev[1276]: running: modprobe "$MODALIAS"
- # modprobe: module scsi:t-0x00 not found in modules.dep
- # mdev[1277]: 49.658002 ACTION:add SUBSYSTEM:scsi_disk DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/target11:0:0/11:0:0:0/scsi_disk/11:0:0:0
- # mdev[1278]: 49.659244 ACTION:add SUBSYSTEM:scsi_device DEVNAME:(null) DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/target11:0:0/11:0:0:0/scsi_device/11:0:0:
- # mdev[1279]: 49.660535 ACTION:add SUBSYSTEM:bsg DEVNAME:bsg/11:0:0:0 DEVPATH:/devices/pci0000:00/0000:00:02.1/usb1/1-5/1-5:1.0/host11/target11:0:0/11:0:0:0/bsg/11:0:0:0
- # mdev[1279]: mknod bsg/11:0:0:0 (253,1) 20660 0:0
- # mdev[1280]: 49.663516 ACTION:add SUBSYSTEM:bdi DEVNAME:(null) DEVPATH:/devices/virtual/bdi/8:16
- # mdev[1281]: 49.664748 ACTION:add SUBSYSTEM:block DEVNAME:sdb DEVPATH:/block/sdb
- # mdev[1281]: mknod sdb (8,16) 60660 0:0
- # mdev[1282]: 49.677597 ACTION:change SUBSYSTEM:block DEVNAME:sdb DEVPATH:/block/sdb
- # mdev[1283]: 50.692936 ACTION:change SUBSYSTEM:block DEVNAME:sdb DEVPATH:/block/sdb
- #
- # We are hooking to the last events. To avoid having two scripts running,
- # we check for DISK_MEDIA_CHANGE=1 (prev to last event has it,
- # and it's the _only_ difference in env for these two events as of kernel 3.7.7)
- # Unfortunately, there is no event for "user pressed [Turn USB storage] btn"!
- # Script merely backgrounds and tries to rescan partition table for 1 minute:
- ACTION=change;SUBSYSTEM=block;DISK_MEDIA_CHANGE=1;.* 0:0 660 */etc/mdev.conf.change_blockdev.sh
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