# This file was taken from arm-utilites project, located at
# http://code.google.com/p/arm-utilities/, which is licensed under GPL3.
# An explicit permission to include any code from that project in
# this one under BSD license was granted by arm-utilites author, Donald Becker.

# This file watches for a STMicro ST-Link or STM32VLDiscovery board
# and creates a device named /dev/stlink
# See udev(7) for syntax.
#
# Written 2010,2011 by Donald Becker
#
# The STLink on the Discovery has a USB ID 0483:3744 and presents itself
# as a mass storage (i.e. SCSI) device.  The SCSI emulation is signficantly
# broken, and the kernel spews error reports for a while until it is
# accepted.  Further problems are encountered when if it is automatically
# mounted.
#
# Options that may prevent the mount are
# ENV{UDISKS_PRESENTATION_HIDE}:="1",
# ENV{UDISKS_PRESENTATION_NOPOLICY}:="1",
# ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}:="1"

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

SUBSYSTEMS=="usb", ATTR{idVendor}=="0483", ATTR{idProduct}=="3744", \
   MODE="0664", GROUP="tape", NAME="stlinkusb%n", ENV{STLINK}="1", \
   ENV{UDISKS_PRESENTATION_HIDE}:="1", \
   ENV{UDISKS_PRESENTATION_NOPOLICY}:="1", \
   ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}:="1", \
   OPTIONS="last_rule"

# Other possible settings:
# OPTIONS="last_rule", ATTRS{vendor}=="STM32"

KERNEL=="sg[0-9]*", MODE="0664", GROUP:="tape", \
  NAME+="stlink-sg%n", SYMLINK+="stlink", \
  ENV{UDISKS_PRESENTATION_HIDE}:="1", \
  ENV{UDISKS_PRESENTATION_NOPOLICY}:="1", \
  ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}:="1"

SUBSYSTEM=="scsi", ATTR{vendor}=="STM32", MODE="0664", GROUP="tape", NAME="stlinksg-scsi%n", SYMLINK+="stlinkscsi", OPTIONS="last_rule"

LABEL="stlink_rules_end"