| # |
| # 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 |