From a2824d1cf622395bb15079be978fe46c6dc1465c Mon Sep 17 00:00:00 2001
From: Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
Date: Fri, 8 Jul 2016 13:33:47 +0200
Subject: [PATCH] added some shell scripts for FPGA work

---
 tools/rebind_device.sh    | 25 +++++++++++++++++++++++++
 tools/reset_pci_device.sh | 13 +++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 tools/rebind_device.sh
 create mode 100755 tools/reset_pci_device.sh

diff --git a/tools/rebind_device.sh b/tools/rebind_device.sh
new file mode 100644
index 000000000..788068bc3
--- /dev/null
+++ b/tools/rebind_device.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+if [ "$#" -ne 2 ]; then
+	echo "usage: $0 BUS:DEV:FNC DRIVER"
+	exit 1
+fi
+
+BDF=$1
+DRIVER=$2
+
+VENDOR=$(cut -b3- /sys/bus/pci/devices/${BDF}/vendor)
+DEVICE=$(cut -b3- /sys/bus/pci/devices/${BDF}/device)
+
+SYSFS_DEVICE=/sys/bus/pci/devices/${BDF}
+SYSFS_DRIVER=/sys/bus/pci/drivers/${DRIVER}
+
+echo "Device: $VENDOR $DEVICE $BDF"
+
+if [ -L "${SYSFS_DEVICE}/driver" ] && [ -d "${SYSFS_DEVICE}/driver" ]; then
+	echo ${BDF}              > ${SYSFS_DEVICE}/driver/unbind
+fi
+
+echo "${VENDOR} ${DEVICE}" > ${SYSFS_DRIVER}/new_id
+echo "${BDF}"              > ${SYSFS_DRIVER}/bind
+echo "${VENDOR} ${DEVICE}" > ${SYSFS_DRIVER}/remove_id
diff --git a/tools/reset_pci_device.sh b/tools/reset_pci_device.sh
new file mode 100755
index 000000000..7fd52a4cc
--- /dev/null
+++ b/tools/reset_pci_device.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+if [ "$#" -ne 1 ]; then
+        echo "usage: $0 BUS:DEV:FNC"
+        exit 1
+fi
+
+BDF=$1
+
+echo "1" > /sys/bus/pci/devices/$BDF/remove
+echo "1" > /sys/bus/pci/rescan
+echo "1" > /sys/bus/pci/devices/$BDF/enable
+