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authorHannes Reinecke <hare@suse.de>2006-03-21 16:10:18 +0100
committerKay Sievers <kay.sievers@suse.de>2006-03-21 16:10:18 +0100
commit10a9bff1c3038468a2aec0c2e9c701f0125c5685 (patch)
treef0ab4aa39bbd8c414984d28319467a3fe0ab11ab /extras/path_id
parent0eb9e4a87eb5911d84f2feab18f8795a15e9e369 (diff)
persistent links: add scsi tape links and usb path support
Diffstat (limited to 'extras/path_id')
-rw-r--r--extras/path_id313
1 files changed, 161 insertions, 152 deletions
diff --git a/extras/path_id b/extras/path_id
index 324fe825b6..c17fc3cdf0 100644
--- a/extras/path_id
+++ b/extras/path_id
@@ -104,7 +104,7 @@ case "$DEVPATH" in
;;
esac
-get_port () {
+get_port_offset () {
local type offset port
type=$1
offset=$2
@@ -113,9 +113,28 @@ get_port () {
port="${i#$type}"
if [ "$port" -lt "$offset" ] ; then offset=$port ; fi
done
- if [ "$port" != "0" ] ; then
- echo $(($2 - $offset))
- fi
+ echo $offset
+}
+
+handle_pci () {
+ local DEV=$1
+ cd -P $1
+ DEV=${PWD}
+ pci_id=${DEV##*/}
+
+ host_dev_path=$DEV
+ while [ ! -z "$host_dev_path" ] ; do
+ case "$host_dev_path" in
+ */pci[0-9]*)
+ host_dev_path=${host_dev_path%/*}
+ ;;
+ *) break;;
+ esac
+ done
+
+ d="pci-$pci_id-$d"
+ D="$host_dev_path"
+ RESULT=0
}
handle_block_ide () {
@@ -124,42 +143,15 @@ handle_block_ide () {
local port idedev idecontroller
# IDE
: DEV $DEV
- d=$DEV
- case "$DEV" in
- # remove ide-scsi part, leave only channel info
- */ide[0-9]*/host[0-9]*)
- while [ ! -z "$d" ] ; do
- case "$d" in
- */host[0-9]*)
- d="${d%/*}"
- continue
- ;;
- *)
- break
- ;;
- esac
- done
- ;;
- esac
- idedev=$d
- while [ ! -z "$d" ] ; do
- case "$d" in
- */ide[0-9]*)
- port="${d##*/}"
- d="${d%/*}"
- continue
- ;;
- *)
- break
- ;;
- esac
- done
- idecontroller=$d
+
+ port=${DEV##*/}
+ idedev=${DEV%/*}
+ idecontroller=${idedev%/*}
# port info if the controller has more than one interface
port="${port#ide}"
: port $port d $d
: idedev $idedev kernel_port $port
- case "${idedev##*.}" in
+ case "${port#*.}" in
0)
channel=0
;;
@@ -169,85 +161,82 @@ handle_block_ide () {
*)
echo "Error: $idedev is neither master or slave" >&2
esac
- case "$d" in
- *:mac-io/*)
- : mac-io: $d
- d="`echo $d | sed -e 's@^.*:mac-io[^:]\+:\([^/]\+\).*@mac-io_\1@'`"
- ;;
- /sys/devices)
- # PCMCIA devices
- ifname=${full_sysfs_path##*/}
- set -- `sed -n "/$ifname/p" /var/lib/pcmcia/stab`
- d="pcmcia-$1"
- ;;
- *)
- d="pci-${d##*/}"
- # d="`echo $d | sed -e 's@^.*/\([^/]\{1,\}\)/.@pci-\1@'`"
- ;;
- esac
cd $idecontroller
- port="`get_port ide $port`"
+ offset="`get_port_offset ide ${port%.*}`"
cd "$OPWD"
- : hardware_port $port
- if [ -z "$port" ] ; then
- d="${d}-ide-0:$channel"
+ : port offset $offset
+ port=$((${port%.*} - $offset))
+ if [ "$d" ] ; then
+ d="ide-${port}:$channel-$d"
else
- d="${d}-ide-${port}:$channel"
+ d="ide-${port}:$channel"
fi
+ D=$idecontroller
RESULT=0
}
handle_block_scsi () {
-: handle_block_scsi $*
+ : handle_block_scsi $*
local DEV=$1
local cil controller_port controller_dev
# SCSI device
cil="${DEV##*/}"
cil="${cil#*:}"
- controller_dev=$DEV
- while [ ! -z "$controller_dev" ] ; do
- case "$controller_dev" in
- */host[0-9]*)
- controller_port=$controller_dev
- controller_dev="${controller_dev%/*}"
- ;;
- *) break ;;
- esac
+ target_dev=${DEV%/*}
+ target_id=${target_dev##*/target}
+ cd "$target_dev"
+ target_num=0
+ for tid in ${target_id}* ; do
+ target_num=$(( $target_num + 1 ))
done
+
+ controller_port=${target_dev%/*}
+ controller_dev="${controller_port%/*}"
+
: controller_dev $controller_dev
: controller_port $controller_port
# a host controller may have more than one interface/port
- controller_port="${controller_port##*/}"
- controller_port="${controller_port##host}"
+ controller_port="${controller_port##*/host}"
#
- case "$controller_dev" in
- # grand central, old powermacs
- *:gc/*)
- adapter="`echo $controller_dev | sed -e 's@/[^/]\{1,\}$@@;s@^.*/@@;s@^.*:@@'`"
- bus="gc"
- ;;
- # PARISC devices
- *parisc*)
- adapter="${controller_dev##*/}"
- bus=parisc;
- ;;
- *)
- adapter="${controller_dev##*/}"
- bus="pci"
- ;;
- esac
cd "$controller_dev"
- controller_port="`get_port host $controller_port`"
+ controller_offset=$(get_port_offset host $controller_port)
cd "$OPWD"
- d="$bus-$adapter"
- if [ -z "$controller_port" ] ; then
- controller_port=0
+ controller_port=$(( $controller_port - $controller_offset))
+ scsi_id="scsi-${controller_port}:${cil}"
+
+ if [ "$d" ] ; then
+ d="${scsi_id}-$d"
+ else
+ d="$scsi_id"
fi
- d="${d}-scsi-${controller_port}:${cil}"
+
+ D="$controller_dev"
RESULT=0
}
+handle_block_firewire () {
+ :handle_block_firewire $*
+ local DEV=$1
+
+ if [ -f "$D/ieee1394_id" ] ; then
+ read ieee1394_id < $D/ieee1394_id
+ fi
+
+ if [ -z "$ieee1394_id" ] ; then
+ : no IEEE1394 ID
+ RESULT=1
+ return
+ fi
+
+ fw_host_dev=${DEV%/fw-host*}
+ # IEEE1394 devices are always endpoints
+ d="ieee1394-0x$ieee1394_id"
+ D="$fw_host_dev"
+
+ RESULT=0
+}
+
handle_block_fc () {
: handle_block_fc $*
local DEV=$1
@@ -278,13 +267,10 @@ handle_block_fc () {
lun="0x${tmp_lun3}${tmp_lun2}${tmp_lun1}${tmp_lun0}"
fi
controller_dev="${fc_tgt_path%/host[0-9]*}"
- adapter="${controller_dev##*/}"
- bus="pci"
- d="$bus-$adapter"
- if [ -z "$controller_port" ] ; then
- controller_port=0
- fi
- d="${d}-fc-${wwpn}:${lun}"
+
+ # FC devices are always endpoints
+ d="fc-${wwpn}:${lun}"
+ D="$controller_dev"
RESULT=0
}
@@ -323,57 +309,46 @@ handle_block_sas () {
sas_rphy_address="$rphy_address:$rphy_id"
controller_dev="${sas_host_path%/host[0-9]*}"
- adapter="${controller_dev##*/}"
- bus="pci"
- d="$bus-$adapter"
- d="${d}-sas-${sas_phy_address}-${sas_rphy_address}"
+
+ # SAS devices are always endpoints
+ d="sas-${sas_phy_address}-${sas_rphy_address}"
+ D="$controller_dev"
+
RESULT=0
}
-handle_block_usb_storage () {
-: handle_block_usb_storage $*
+handle_usb () {
+: handle_usb $*
local DEV=$1
- cil="${DEV##*/}"
- cil="${cil#*:}"
- controller_dev=$DEV
- while [ ! -z "$controller_dev" ] ; do
- case "$controller_dev" in
- */host[0-9]*)
- controller_dev="${controller_dev%/*}"
+ cd -P $1
+ DEV=${PWD}
+ port_id=${DEV##*/}
+ port_num=${port_id#*-}
+ host_dev_path=$DEV
+ while [ ! -z "$host_dev_path" ] ; do
+ case "$host_dev_path" in
+ */usb*)
+ usb_host_path=$host_dev_path
+ host_dev_path="${host_dev_path%/*}"
;;
*) break ;;
esac
done
- : controller_dev $controller_dev
- #
- # usb-storage devs have a serial number, hopefully unique
- serial=
- if [ -f $controller_dev/../serial ] ; then
- serial="`sed -e 's@^[ -]\{1,\}\|[ -]\{1,\}$@@g;s@[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789-]@@g' < $controller_dev/../serial`"
- : serial XXX_${serial}_XXX
- d="usb-$serial"
- serial="`echo $serial | sed -e 's@[ 0]\{1,\}@@g'`"
- fi
- if [ -z "$serial" ] ; then
- # no serial, broken device
- # has eventually binary junk in vpd
- identifier=
- if [ -f $controller_dev/../product ] ; then
- product="`sed -e 's@^[ -]\{1,\}\|[ -]\{1,\}$@@g;s@[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789-]@@g' < $controller_dev/../product`"
- fi
- if [ -f $controller_dev/../manufacturer ] ; then
- manufacturer="`sed -e 's@^[ -]\{1,\}\|[ -]\{1,\}$@@g;s@[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789-]@@g' < $controller_dev/../manufacturer`"
- fi
- if [ -z "$product" -o -z "$manufacturer" ] ; then
- read idvendor < $controller_dev/../idVendor
- read idproduct < $controller_dev/../idProduct
- identifier="0x${idvendor}-0x${idproduct}"
- else
- identifier="${manufacturer}-${product}"
- fi
- d="usb-${identifier}"
+ : host_dev_path $host_dev_path
+ usb_host_num=${usb_host_path##*/usb}
+
+ cd "$host_dev_path"
+ usb_host_offset=$(get_port_offset usb $usb_host_num)
+ usb_host_port=$(($usb_host_num - $usb_host_offset))
+ cd "$OPWD"
+
+ if [ "$d" ] ; then
+ d="usb-$usb_host_port:$port_num-${d}"
+ else
+ d="usb-$usb_host_port:$port_num"
fi
- d="$d:$cil"
+
+ D="$host_dev_path"
RESULT=0
}
@@ -406,13 +381,11 @@ handle_block () {
full_sysfs_device_path="`pwd -P`"
cd "$OPWD"
D=$full_sysfs_device_path
+ while [ ! -z "$D" ] ; do
case "$D" in
*/ide[0-9]/[0-9].[0-9]*|*/ide[0-9][0-9]/[0-9][0-9].[0-9]*)
handle_block_ide "$D"
;;
- */usb[0-9]*/[0-9]*/host[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*)
- handle_block_usb_storage "$D"
- ;;
*/css0/*)
if [ -r $full_sysfs_device_path/wwpn ]; then
read wwpn < $full_sysfs_device_path/wwpn
@@ -434,6 +407,7 @@ handle_block () {
d="$bus-$adapter"
RESULT=0
fi
+ D=
;;
*/rport-[0-9]*:[0-9]*-[0-9]*/*)
handle_block_fc "$D"
@@ -441,15 +415,20 @@ handle_block () {
*/phy-[0-9]*:[0-9]*/*)
handle_block_sas "$D"
;;
+ */fw-host[0-9]*/*)
+ handle_block_firewire "$D"
+ ;;
*/host[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*)
- # check for ieee1394 sbp2
- if test -f $D/ieee1394_id ; then
- read ieee1394_id < $D/ieee1394_id
- d="`echo ieee1394-${ieee1394_id} | sed -e 's@:@-@g'`"
- RESULT=0
- else
- handle_block_scsi "$D"
- fi
+ handle_block_scsi "$D"
+ ;;
+ */usb[0-9]*/[0-9]*/*)
+ handle_usb "$D"
+ ;;
+ */pci[0-9]*:[0-9]*)
+ handle_pci "$D"
+ ;;
+ */devices)
+ D=
;;
*)
: not handled
@@ -457,14 +436,44 @@ handle_block () {
return
;;
esac
+ done
+
+ if [ "$TYPE" == "scsi_tape" ] ; then
+ devname=${full_sysfs_path##*/}
+ rewind="${devname%%st*}"
+ mode="${devname##*st}"
+ case "$mode" in
+ *l)
+ mode="l"
+ ;;
+ *m)
+ mode="m"
+ ;;
+ *a)
+ mode="a"
+ ;;
+ *)
+ mode=""
+ ;;
+ esac
+ if [ "$d" ]; then
+ d="$d-${rewind}st${mode}"
+ fi
+ fi
echo "ID_PATH=$d"
}
case "$TYPE" in
- block)
+ block)
handle_block
;;
- *)
+ scsi_tape)
+ handle_block
+ ;;
+ input)
+ handle_usb $SYSFS$DEVPATH/device
+ ;;
+ *)
RESULT=1
;;
esac