1 files changed, 47 insertions, 0 deletions
diff --git a/abs/core/klibc-udev/60-persistent-storage.rules b/abs/core/klibc-udev/60-persistent-storage.rules
new file mode 100644
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--- /dev/null
+++ b/abs/core/klibc-udev/60-persistent-storage.rules
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+# 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*|md*|btibm*", 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-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"
+
+# probe filesystem metadata of optical drives which have a media inserted
+KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
+
+# probe filesystem metadata of disks
+KERNEL!="sr*", 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"