# do not edit this file, it will be overwritten on update

# persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path}

# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>

# forward scsi device event to corresponding block device

ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change"

ACTION!="add|change", GOTO="persistent_storage_end"

SUBSYSTEM!="block", GOTO="persistent_storage_end"

# skip rules for inappropriate block devices

KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|dm-*|md*", GOTO="persistent_storage_end"

# never access non-cdrom removable ide devices, the drivers are causing event loops on open()

KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", GOTO="persistent_storage_end"

KERNEL=="hd*[0-9]", ATTRS{removable}=="1", GOTO="persistent_storage_end"

# ignore partitions that span the entire disk

TEST=="whole_disk", GOTO="persistent_storage_end"

# /sys/class/block will export this

ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk"

ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition"

# for partitions import parent information

ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"

# by-id (hardware serial number)

KERNEL=="hd*[!0-9]", IMPORT{program}="ata_id --export $tempnode"

KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"

KERNEL=="hd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"

KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", ENV{ID_SERIAL}="$attr{ieee1394_id}", ENV{ID_BUS}="ieee1394"

KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="usb", IMPORT{program}="usb_id --export %p"

KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="scsi"

KERNEL=="cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --whitelisted -d $tempnode", ENV{ID_BUS}="cciss"

KERNEL=="sd*[!0-9]|sr*|cciss?c[0-9]d[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"

KERNEL=="sd*[0-9]|cciss*p[0-9]*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"

# libata compat (links like hd*)

KERNEL=="sd*[!0-9]|sr*", ENV{ID_VENDOR}=="ATA", PROGRAM="ata_id $tempnode", RESULT=="?*", ENV{ID_ATA_COMPAT}="$result", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}"

KERNEL=="sd*[0-9]", ENV{ID_ATA_COMPAT}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_ATA_COMPAT}-part%n"

KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ATTRS{serial}=="?*", ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"

KERNEL=="mmcblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"

# by-path (parent device path)

ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p"

ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"

ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"

# skip unpartitioned removable media devices from drivers which do not send "change" events

ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end"

# import filesystem metadata

IMPORT{program}="vol_id --export $tempnode"

# by-label/by-uuid links (filesystem metadata)

ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"

ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"

LABEL="persistent_storage_end"