diff options
| -rwxr-xr-x | meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook b/meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook index 3f5a974b95..063699edf3 100755 --- a/meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook +++ b/meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook @@ -27,6 +27,21 @@ esac set -ex +GADGET_BASE=/sys/kernel/config/usb_gadget + +which_dev() +{ + in_use="$(cat $GADGET_BASE/*/UDC)" + cd /sys/class/udc + for dev in *; do + case "$in_use" in + *"$dev"*) ;; + *) echo "$dev"; return 0;; + esac + done + return 1 +} + case "$action" in start) mkdir -p $gadget_dir @@ -48,7 +63,8 @@ start) echo 1 > functions/mass_storage.usb0/lun.0/ro echo 0 > functions/mass_storage.usb0/lun.0/cdrom echo $nbd_device > functions/mass_storage.usb0/lun.0/file - echo "1e6a0000.usb-vhub:p4" > UDC + device=$(which_dev) + echo "$device" > UDC ) ;; stop) |