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Filename : 61-scsi-sg3_id.rules
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# SCSI-ID mappings for sg3_utils

ACTION=="remove", GOTO="sg3_utils_id_end"

SUBSYSTEM=="block", GOTO="block_dev"

# SCSI devices other than "block"
# This code used to live in 60-persistent-storage-tape.rules.

# type 8 devices are "Medium Changers"
SUBSYSTEM=="scsi_generic", KERNEL=="sg*[0-9]", ATTRS{type}=="8", \
  GOTO="scsi_inquiry"
SUBSYSTEM=="scsi_changer", KERNEL=="sch*[0-9]", ATTRS{type}=="8", \
  ENV{.INQUIRY_DEV}="$root/bsg/$id", GOTO="scsi_inquiry"

# tapes need to be accessed through their bsg device
KERNEL=="st*[0-9]|nst*[0-9]", SUBSYSTEMS=="scsi", KERNELS=="[0-9]*:*[0-9]", \
  ENV{.INQUIRY_DEV}="$root/bsg/$id", GOTO="scsi_inquiry"

GOTO="sg3_utils_id_end"

LABEL="block_dev"

# Import values for partitions
ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_SCSI", IMPORT{parent}="SCSI_*"
ENV{DEVTYPE}=="partition", ENV{ID_SCSI}=="1", GOTO="compat"

# Handle non-SCSI devices that implement SCSI inquiry
KERNEL=="cciss*", ENV{DEVTYPE}=="disk", GOTO="sg_inquiry"

# Ignore everything else except sd/sr
KERNEL!="sd*[!0-9]|sr*", GOTO="sg3_utils_id_end"

# SCSI INQUIRY values
# If the 'inquiry' sysfs attribute is present the kernel will already
# have scanned for VPD pages, so if the vpd page attribute is not
# present it is not supported (or deemed unsafe to access).
# Hence we can skip the call to sg_inq and avoid I/O altogether.
# Set 'ID_SCSI_INQUIRY=0' in an earlier udev rule if the kernel
# fails to scan VPD pages correctly; the rules will then fall
# back to calling sg_vpd directly.
LABEL="scsi_inquiry"
ENV{ID_SCSI_INQUIRY}=="0", GOTO="sg_inquiry"

# "inquiry" is an attribute of the scsi_device in sysfs,
# we obtain it by using $id after an ATTRS match.
SUBSYSTEMS=="scsi", ATTRS{inquiry}=="*", KERNELS=="[0-9]*:*[0-9]", \
  ENV{.SYSFS_PATH}="$sys/class/scsi_device/$id/device"
ENV{.SYSFS_PATH}=="", GOTO="sg_inquiry"

IMPORT{program}="/usr/bin/sg_inq --export --inhex=$env{.SYSFS_PATH}/inquiry --raw", \
  ENV{ID_SCSI}="1", ENV{ID_SCSI_INQUIRY}="1"
# If inquiry sysfs attribute reading it failed, fallback to sg
ENV{ID_SCSI}!="1", GOTO="sg_inquiry"
# Read VPD pages 80 (sn) and 83 (di)
IMPORT{program}="/usr/bin/sg_inq --export --inhex=$env{.SYSFS_PATH}/vpd_pg80 --raw"
IMPORT{program}="/usr/bin/sg_inq --export --inhex=$env{.SYSFS_PATH}/vpd_pg83 --raw"
GOTO="compat"

LABEL="sg_inquiry"
# Handle devices that have no inquiry attributes in sysfs
ENV{.INQUIRY_DEV}=="", ENV{.INQUIRY_DEV}="$tempnode"

IMPORT{program}="/usr/bin/sg_inq --export $env{.INQUIRY_DEV}", ENV{ID_SCSI}="1"
# Give up if this fails, too
ENV{ID_SCSI}!="1", GOTO="sg3_utils_id_end"
IMPORT{program}="/usr/bin/sg_inq --export --page=sn $env{.INQUIRY_DEV}"
IMPORT{program}="/usr/bin/sg_inq --export --page=di $env{.INQUIRY_DEV}"

LABEL="compat"

# scsi_id compat mappings
ENV{ID_VENDOR}!="?*", ENV{SCSI_VENDOR}=="?*", ENV{ID_VENDOR}="$env{SCSI_VENDOR}"
ENV{ID_VENDOR_ENC}!="?*", ENV{SCSI_VENDOR_ENC}=="?*", ENV{ID_VENDOR_ENC}="$env{SCSI_VENDOR_ENC}"
ENV{ID_MODEL}!="?*", ENV{SCSI_MODEL}=="?*", ENV{ID_MODEL}="$env{SCSI_MODEL}"
ENV{ID_MODEL_ENC}!="?*", ENV{SCSI_MODEL_ENC}=="?*", ENV{ID_MODEL_ENC}="$env{SCSI_MODEL_ENC}"
ENV{ID_REVISION}!="?*", ENV{SCSI_REVISION}=="?*", ENV{ID_REVISION}="$env{SCSI_REVISION}"
ENV{ID_TYPE}!="?*", ENV{SCSI_TYPE}=="?*", ENV{ID_TYPE}="$env{SCSI_TYPE}"
ENV{ID_TARGET_PORT}!="?*", ENV{SCSI_IDENT_PORT_TARGET_PORT_GROUP}=="?*", \
	PROGRAM="/bin/sh -c 'echo $env{SCSI_IDENT_PORT_TARGET_PORT_GROUP} | /bin/sed s/^0x//'", \
	ENV{ID_TARGET_PORT}="$result"

# ID_WWN compat mapping
ENV{SCSI_IDENT_LUN_NAA_REGEXT}=="?*", ENV{ID_WWN_WITH_EXTENSION}!="?*", ENV{ID_WWN_WITH_EXTENSION}="0x$env{SCSI_IDENT_LUN_NAA_REGEXT}"
ENV{SCSI_IDENT_LUN_NAA_REG}=="?*", ENV{ID_WWN_WITH_EXTENSION}!="?*", ENV{ID_WWN_WITH_EXTENSION}="0x$env{SCSI_IDENT_LUN_NAA_REG}"
ENV{SCSI_IDENT_LUN_NAA_EXT}=="?*", ENV{ID_WWN_WITH_EXTENSION}!="?*", ENV{ID_WWN_WITH_EXTENSION}="0x$env{SCSI_IDENT_LUN_NAA_EXT}"
ENV{SCSI_IDENT_LUN_NAA_LOCAL}=="?*", ENV{ID_WWN_WITH_EXTENSION}!="?*", ENV{ID_WWN_WITH_EXTENSION}="0x$env{SCSI_IDENT_LUN_NAA_LOCAL}"
# ID_WWN has max 16 characters
ENV{ID_WWN_WITH_EXTENSION}=="?*", ENV{ID_WWN}!="?*", \
	PROGRAM="/bin/sh -c 'echo $env{ID_WWN_WITH_EXTENSION} | /bin/sed s/^\\\(0x.\\\{1,16\\\}\\\).*/\\1/'", \
	ENV{ID_WWN}="$result"

# ata_id compatibility
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_ATA}=="?*", ENV{ID_BUS}="ata", ENV{ID_ATA}="1", ENV{ID_SERIAL}="$env{SCSI_IDENT_LUN_ATA}"
ENV{ID_SERIAL_SHORT}!="?*", ENV{SCSI_VENDOR}=="ATA", ENV{SCSI_IDENT_LUN_VENDOR}=="?*", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_VENDOR}"
# Compat ID_SERIAL setting
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_NAA_REGEXT}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="3$env{SCSI_IDENT_LUN_NAA_REGEXT}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_NAA_REGEXT}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_NAA_REG}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="3$env{SCSI_IDENT_LUN_NAA_REG}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_NAA_REG}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_NAA_EXT}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="3$env{SCSI_IDENT_LUN_NAA_EXT}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_NAA_EXT}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_EUI64}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="2$env{SCSI_IDENT_LUN_EUI64}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_EUI64}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_NAME}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="8$env{SCSI_IDENT_LUN_NAME}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_NAME}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_T10}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="1$env{SCSI_IDENT_LUN_T10}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_T10}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_NAA_LOCAL}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="3$env{SCSI_IDENT_LUN_NAA_LOCAL}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_NAA_LOCAL}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_LUN_VENDOR}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="0$env{SCSI_VENDOR}_$env{SCSI_MODEL}_$env{SCSI_IDENT_LUN_VENDOR}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_LUN_VENDOR}"
ENV{ID_SERIAL}!="?*", ENV{SCSI_IDENT_SERIAL}=="?*", ENV{ID_BUS}="scsi", ENV{ID_SERIAL}="S$env{SCSI_VENDOR}_$env{SCSI_MODEL}_$env{SCSI_IDENT_SERIAL}", ENV{ID_SERIAL_SHORT}="$env{SCSI_IDENT_SERIAL}"

# Compat ID_SCSI_SERIAL setting
ENV{ID_SCSI_SERIAL}!="?*", ENV{SCSI_IDENT_SERIAL}=="?*", ENV{ID_SCSI_SERIAL}="$env{SCSI_IDENT_SERIAL}"
LABEL="sg3_utils_id_end"